CN106745945B - Oil sand washing water treatment method - Google Patents
Oil sand washing water treatment method Download PDFInfo
- Publication number
- CN106745945B CN106745945B CN201510824674.8A CN201510824674A CN106745945B CN 106745945 B CN106745945 B CN 106745945B CN 201510824674 A CN201510824674 A CN 201510824674A CN 106745945 B CN106745945 B CN 106745945B
- Authority
- CN
- China
- Prior art keywords
- oil
- sand
- waste water
- wash water
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003027 oil sand Substances 0.000 title claims abstract description 112
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000005406 washing Methods 0.000 title claims abstract description 52
- 239000002351 wastewater Substances 0.000 claims abstract description 88
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 230000003647 oxidation Effects 0.000 claims abstract description 27
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 27
- 238000005345 coagulation Methods 0.000 claims abstract description 19
- 230000015271 coagulation Effects 0.000 claims abstract description 18
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 53
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 40
- 239000000126 substance Substances 0.000 claims description 23
- 239000003208 petroleum Substances 0.000 claims description 19
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 229920002401 polyacrylamide Polymers 0.000 claims description 9
- 229920000592 inorganic polymer Polymers 0.000 claims description 8
- 229920000620 organic polymer Polymers 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 239000006004 Quartz sand Substances 0.000 claims description 7
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 7
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 239000012028 Fenton's reagent Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 150000001299 aldehydes Chemical class 0.000 claims description 3
- 150000002170 ethers Chemical class 0.000 claims description 3
- 150000002632 lipids Chemical class 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims description 2
- 150000001768 cations Chemical group 0.000 claims description 2
- 239000011162 core material Substances 0.000 claims 1
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 55
- 238000004062 sedimentation Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 33
- 230000008569 process Effects 0.000 description 21
- 239000004927 clay Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000007667 floating Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 230000035508 accumulation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 238000009303 advanced oxidation process reaction Methods 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 101100494355 Mus musculus C1d gene Proteins 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/04—Surfactants, used as part of a formulation or alone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a method for treating oil sand washing water, which comprises the following steps: 1) mixing the wastewater separated after washing the oil sand with alkali through a first-stage Venturi mixer, and adjusting the pH value of the wastewater to be 6.0-8.6; 2) the treated wastewater is mixed with a demulsifier through a second-stage Venturi mixer again; 3) discharging the wastewater treated in the step 2) into an oil removal sedimentation tank, and removing suspended oil and sandy soil; 4) carrying out cyclone separation on the wastewater after oil removal sedimentation; 5) enabling the wastewater after the cyclone separation to enter a coagulation air flotation device, and further removing suspended matters and suspended oils in the wastewater; 6) filtering the wastewater treated in the step 5); 7) carrying out ultrafiltration and reverse osmosis treatment on the washing water treated in the step 6); 8) and (3) performing advanced oxidation on the reverse osmosis concentrated water generated after the treatment in the step (7) to discharge the reverse osmosis concentrated water after reaching the standard. The wastewater treated by the technology achieves standard discharge, and the discharge amount of pollutants is reduced.
Description
Technical field
The present invention relates to a kind of processing methods of oil-sand washings, and in particular to oil-sand washings are by ultrafiltration, reverse osmosis
Etc. after processes processing, to the concentrated water generated in reverse osmosis process, carry out advanced oxidation processing, reduce the COD contents in concentrated water, it is real
The method of existing qualified discharge.
Background technology
Oil-sand as a kind of unconventional petroleum resources, wherein oil sands bitumen content 5~20%, sand and clay content 80~
85%, aqueous 3~5%.Its stock number accounts for about the 30% of world oil reserves, if all utilization is produced, according to the present world
The desired level of the energy, for century-old on consumed worldwide, the utilization of oil-sand become new growth engines.According to oil-sand master
Host country of the resources is wanted to count, the oil-sand resource amount that the world is verified at present is about 3.8 trillion barrels.It is mainly distributed on Canada, Venezuela
And the U.S., in the world most of oil-sand resource concentrate on Transport Model for Alberta province the north basins Athabasca and Pinghu and Ah
Er Baita saves the chilling index with Saskatchewan intersection.The development of oil-sand makes Canadian petroleum reserves be only second to Saudi Arabia
The whole world second is occupied, international community is allowed to be further appreciated that the value of oil-sand.A large amount of oil-sand resource is had also discovered in China, is stored up
About 100,000,000,000 tons of amount, according to the 5th, the world, is concentrated mainly on 24 basins such as Zhunger Basin, Qaidam, Erdos and pine the Liao Dynasty.
In China's National Oil Gas Resources investigation, oil-sand resource is included in appraisement system for the first time, by evaluation, the oil content of China's oil-sand exists
5%~20%, there is good economic development value and foreground.
Currently, in the world oil-sand exploitation, separation be still in infancy, oil-sand have viscosity is big, density is high, separation
Viscous crude contains a large amount of small grains of sand and minerals, and many technologies are still had in the separation, processing and tailings glass of oil sands bitumen
Problem, oil-sand exploitation application are constantly subjected to restrict.Huge toxic tailing pit is generated in oil-sand recovery process, and environment is caused
Very big harm.Maximum seven oil-sand companies (Canadian Natual Resources, Imperial Oil, Shell
Canada, Suncor Energy, Syncrude Canada Ltd., Teck Resources and Total E＆PCanada)
An alliance is set up in December, 2010, to solve most intractable one of the challenge of industry：Clear up their huge toxic tailing pit.
This means that oil-sand company will make joint efforts, unified strength pushes tailing management and switching technology tricks of the trade, is sold without being attempt to
Perhaps but other people use its intellectual property.
Oil-sand strip mining transformation at present mainly uses washing separation technology, using the heating of thermokalite water, stirring, makes oil and sand point
From the waste generated in separation process is mainly water and oil sands bitumen, the mixture of suspended matter, clay, sand, chemical agent.
Since pitch mixes with water, clay visibly homogeneous, sedimentation separation is highly difficult.Transport Model for Alberta, which saves oil-sand mining area, at present 8
More than hundred million cubic metres of tailing is stored in 142 square kilometres of tailing pit, and tailing inventory is continuously increased.Based on centrifuge modelling
It studies, the ageing fine earth tailing in tailing pit needs ability free settling separation in more than 130 years, it not only stores a large amount of water
Vast soil is alsied occupy, the processing of the tailing pit waste water generated after oil-sand washing and Utilizing question are oil-sand processing enterprise faces
One of huge challenge faced.
CN101855177A propositions are a kind of to use membrane separating method, processing oil-sand to wash tailing water, contain in the waste water
A large amount of clay, oil sands bitumen and chemical agent, processing procedure film are easy to block, and energy expenditure is big.
CN103359861A proposes a kind of processing method of oil-sand washes, includes the following steps：Oil-sand is exploited dirty
Water carries out homogenization in homogeneous slot, and the sewage after homogenization, which is then entered air-float degreasing device, carries out at oil removal by air bubbling
Reason removes partial suspended oil and a small amount of oil emulsion；Sewage after air supporting is entered into flocculation-air floating device, detaches flocculate；It will
Flocculation-air floating sewage is centrifuged, and obtains sands formation re-injection water.The process is in oil removal by air bubbling and flocculation-air floating process
In, a large amount of clay and the grains of sand are contained in sewage, blocking pipeline and equipment is easy, influences the long-term operation of device.
CN103351072A provides a kind of oil-sand exploitation wastewater treatment method, and the sewage that oil-sand washing is isolated is carried out
Then homogeneous carries out oil removal by air bubbling, remove most of suspended oil and a small amount of oil emulsion, flocculation treatment is then carried out, after flocculation
Waste water clarified, filtered, softened, centrifuged, obtain boiler reinjected water.To in washings in the process pretreatment process
The removal separation for not carrying out depth containing a large amount of sand, will bring prodigious difficulty to the subsequent processing of waste water.
CN102676199A discloses the processing system of a kind of oil sand tailing or oil sand slurries, can be from oil sand tailing or oil
Residual bitumen is recycled in placer slurry, and oil sand tailing can be cured, so as to easily use at mode economical and environmentally friendly
It sets.
In conclusion for the treatment technology of current oil-sand washings, although certain processing, reuse effect can be reached
Fruit, while also there are still shortcomings, influence the reuse of oil-sand washings, form a large amount of tailing pit, cause water resource
Waste and serious environmental pollution, it would be highly desirable to handle.
Invention content
The purpose of the present invention is to provide a kind of oil-sand method for processing wash water, and water is be easy to cause in the prior art to overcome
The waste of resource and the defect of serious environmental pollution.
To achieve the above object, the present invention provides a kind of oil-sand method for processing wash water, include the following steps：
The waste water that step 1 is separated after washing oil-sand is mixed by first order venturi mixer with acid or alkali, is adjusted
Between the pH value for saving waste water is 6.0~8.6；
Step 2 again passes by second level venturi mixer and is mixed with demulsifier by step 1 treated waste water,
The dosage that demulsifier is added in control is 30~300mg/L；
Step 3 will pass through step 2, and treated that waste water is discharged into oil removal settling tank, and it is 0.5 to be kept for the residence time of waste water
~3.0h removes suspended oil and sandy soil；
Waste water after step 4 settles oil removal carries out cyclonic separation, removes the particulate matter that grain size is 50 μm or more in water removal；
Waste water after cyclonic separation is entered coagulation air-float device by step 5, further removes the suspended matter in waste water
And in the petroleum substance to suspend with dissolved state；
Step 6 will pass through step 5, and treated that waste water is filtered, and obtains oil-sand washings；
Step 7 will pass through step 6 treated oil-sand washings by ultrafiltration and reverse osmosis unit, obtain oil-sand washing
Recycle-water；And
The reverse osmosis concentrated water that step 8 will generate after step 7 is handled, it is up to standard after processing by advanced oxidation device
Discharge.
Oil-sand method for processing wash water of the present invention, wherein acid described in step 1 is preferably hydrochloric acid, sulfuric acid, vinegar
Acid, carbonic acid, hypochlorous acid or nitric acid；The more preferably concentrated sulfuric acid.
Oil-sand method for processing wash water of the present invention, wherein the dosage of demulsifier described in step 2 is preferably
50~300mg/L.
Oil-sand method for processing wash water of the present invention, wherein the residence time of waste water is preferably 1 in the step 3
~2.5h.
Oil-sand method for processing wash water of the present invention, wherein in step 5 preferably in the coagulation air-float device
Flocculant is added.
Oil-sand method for processing wash water of the present invention, wherein the flocculant is preferably inorganic polymer flocculant
Or organic polymer coargulator.
Oil-sand method for processing wash water of the present invention, wherein the inorganic polymer flocculant preferably polymerize chlorine
Change aluminium or aluminium silicate polymer.
Oil-sand method for processing wash water of the present invention, wherein the organic polymer coargulator be preferably cation,
Anion or non-ionic polyacrylamide.
Oil-sand method for processing wash water of the present invention, wherein the cationic-type polyacrylamide molecular weight is preferred
It is 700~10,000,000.
Oil-sand method for processing wash water of the present invention, wherein the inorganic polymer flocculant dosage is preferably
40~300mg/L.
Oil-sand method for processing wash water of the present invention, wherein the organic polymer coargulator dosage is preferably 2
~50mg/L.
Oil-sand method for processing wash water of the present invention, wherein filter element for filtration material described in step 6 is preferably
Quartz sand, activated carbon or chemical fibre.
Oil-sand method for processing wash water of the present invention, wherein demulsifier described in step 2 is preferably ethers demulsification
Agent, aldehydes demulsifier or lipid demulsifier.
Oil-sand method for processing wash water of the present invention, wherein ultrafiltration and reverse osmosis excellent with film in the step 7
It is selected as organic film or inoranic membrane.
Oil-sand method for processing wash water of the present invention, wherein in the step 7, it is preferred that oil-sand washings
First by ultrafiltration apparatus, then pass through reverse osmosis unit.
Oil-sand method for processing wash water of the present invention, wherein the advanced oxidation of reverse osmosis concentrated water in the step 8,
Preferably ozone-active carbon oxidation, the oxidation of Fenton reagent method or iron-carbon micro-electrolysis oxidation.
Beneficial effects of the present invention：
The present invention uses the deep treatment method of " the oil removal sedimentation-cyclonic separation-bis- films of coagulation air-float-filtering-".Its advantage
It is：1. to a large amount of sands contained in oil-sand washes, different, the sedimentation time difference according to its grain size carries out multilayer
Secondary classification processing, class settling, sand sedimentation are more thorough；2. according to asphalt-base petroleum substance in waste water, there are shapes in waste water
State is different, oil droplet size difference, carries out classification separation, and petroleum substance separation removal is more thorough；3. to the grains of sand, glutinous in waste water
The many kinds of substance such as soil, petroleum-type realize advanced treating；4. being used in series using two-stage venturi mixer, Flow of Goods and Materials speed
Soon, the sand grains for avoiding grain size larger is deposited on inside equipment or pipeline, is blocked；5. using the oil-sand washing after double film process
Water can remove the salt dissolved in washings and a variety of dissolved matters, overcome washings recycle during salt and
The accumulation of multiple harmful substances；6. handling reverse osmosis concentrated water using advanced oxidation processes, the COD contents of concentrated water can be reduced, are realized
The qualified discharge of waste water；7. the technology reduces the pollutant load in externally discharged waste water, high treating effect in oil-sand washing process.
Description of the drawings
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention 1；
Wherein, reference numeral：
1- first order venturi mixers；
The second level 2- venturi mixer；
3- oil removal settling tanks；
4- cyclones；
5- coagulation air-float devices；
6- filters；
7- ultra-filtration membrane devices；
8- reverse osmosis units；
9- advanced oxidation devices.
Specific implementation mode
Oil-sand washes is passed through venturi mixer by the present invention first, is neutralized and is mixed with demulsifier, is then drained into
Oil removal settling tank, oil separator water outlet carry out cyclonic separation, air supporting and filtering and double film process, the washing generated after oil-sand is washed
It is recycled after water process, qualified discharge after the concentrated water generated in reverse osmosis process progress advanced oxidation processing specifically includes
Following steps：
The waste water that step 1 is separated after washing oil-sand is mixed with strong acid (or alkali) by first order venturi mixer
It closes, between the pH value for adjusting waste water is 6.0~8.6；
Step 2 again passes by second level venturi mixer, is mixed with demulsifier by step 1 treated waste water,
The dosage that demulsifier is added in control is 50~300mg/L；
Step 3 will pass through step 2, and treated that waste water is discharged into oil removal settling tank, and it is 0.5 to be kept for the residence time of waste water
~3.0h removes a large amount of sand in the most of suspended oil and waste water in water；
Waste water after step 4 settles oil removal carries out cyclonic separation, removes the particulate matter that grain size is 50 μm or more in water removal；
Waste water after cyclonic separation is entered coagulation air-float device by step 5, depth remove suspended matter in waste water,
In the petroleum substance to suspend with dissolved state；
Treated that waste water is filtered by step 5 for step 6, filtered water turbidity≤5NTU, and petroleum content≤
25mg/L, suspension content≤25mg/L；
Step 7 will enter ultrafiltration and reverse osmosis unit by filtered waste water, and depth removes salt in waste water and molten
Other harmful ions of solution state, obtain oil-sand washings；
The reverse osmosis concentrated water that step 8 will generate after step 7 is handled, it is up to standard after processing by advanced oxidation device
Discharge.
Currently preferred process conditions are as follows：
The acid added in venturi mixing is selected from hydrochloric acid, sulfuric acid, nitric acid etc., the preferably concentrated sulfuric acid, can also select other weak
Acid such as acetic acid, carbonic acid or hypochlorous acid.
PH value preferably 7.6~8.2；Demulsifier dosage preferably 50~150mg/L, retention time of sewage is preferred in settling tank
1~2.5h.
It is that inorganic polymer flocculant and organic polymer are wadded a quilt with cotton that flocculant, flocculation medicament are needed in coagulation air-float processing procedure
Solidifying agent；Inorganic polymer flocculant preferred polymeric aluminium chloride, aluminium silicate polymer, dosage preferably 40~100mg/L；Organic polymer
Flocculant preferred cationic polyacrylamide, molecular weight preferably 700~10,000,000, dosage preferably 2~50mg/L.
Filter element material can select quartz sand, activated carbon and chemical fibre etc., preferably chemical fibre and quartz sand material.
Demulsifier can select to use ethers demulsifier, aldehydes demulsifier or lipid demulsifier.
The film that ultrafiltration and reverse osmosis unit use, inorganic ceramic membrane, which may be used, can also use organic film.
The advanced oxidation of reverse osmosis concentrated water, including ozone-active carbon oxidation, the oxidation of Fenton reagent method or iron-carbon micro-electrolysis
The chemical oxidations such as oxidation.
In the present invention, the concentrated sulfuric acid is added in First venturi mixing period in oil-sand washes, adjusts the soda acid of waste water
After degree, into second venturi mixer, waste water enters oil removal settling tank after being mixed with demulsifier, in oil removal settling tank,
Oil droplet in emulsified state is subjected to coalescence, removal of floating, a large amount of sand sedimentation removal in waste water；Settling tank water outlet enters
Cyclone separator, the different centrifugal force generated by density contrast further remove the sand of about 50 μm of grain size or more in waste water；Through
It crosses cyclone treated that waste water enters coagulation air-float device, pass through and high valency electrolytes are added, destroy the stabilization shape of water-borne glue body
State, makes that suspended matter is de- steady, agglomerates and removes, and during air supporting, a large amount of microbubble is attached on oil droplets, helps to make place
Floating in the fine oil droplets of suspended state and removal；A large amount of alumen ustum is generated in coagulation process, the absorption using alumen ustum and " net
Catch " it acts on, depth removes the petroleum substance that emulsified state is in waste water.By coagulation air-float, treated that waste water entered
Filter, after filtration treatment, water turbidity≤5NTU, petroleum content≤25mg/L, suspension content≤25mg/L.After filtering
Waste water first carry out hyperfiltration treatment, subsequently into reverse osmosis unit, reverse osmosis unit water outlet can meet wanting for oil-sand washings
It asks, qualified discharge after the concentrated water that reverse osmosis unit generates is handled by advanced oxidation.
The main characteristic of the invention lies in that the sand content for isolating waste water for oil-sand washing is high, not only have in waste water
The grains of sand also have a large amount of clay, are easy to block pipeline and equipment, it is difficult to sedimentation separation；Petroleum substance in waste water is with asphaltic base
Based on crude oil, density is closer with water, and asphalt-base crude oil mixes fully with the grains of sand, clay, it is difficult to detach.Select two-stage text mound
In mixer be used in series, it is that Flow of Goods and Materials speed is high in venturi mixer that reason, which has, prevents contained a large amount of sand of waste water
Soil sedimentation, occluding device and pipeline.
The present invention uses oil removal settling tank, waste water that can settle out the larger sand of grain size, while waste water in the equipment
Middle part carries out floating separation in the petroleum-type of suspended state.
The present invention is using a large amount of sands contained in cyclone separation waste water, by fluid high-speed flowing and rotary course
The centrifugal force of generation carries out the separation of sand in waste water, and separative efficiency is high, separating rate is fast.
The present invention uses coagulation air-float, handles suspended matter and oils in waste water, and main cause is by the way that high price electricity is added
Xie Zhi destroys the stable state of water-borne glue body, makes that suspended matter is de- steady, agglomerates and removes, during air supporting, a large amount of microbubble
Oil droplets are attached on, the floating of the fine oil droplets in suspended state and removal are contributed to；It is generated in coagulation process a large amount of
Alumen ustum is acted on using the absorption of alumen ustum and " net is caught ", and depth removes the petroleum substance that emulsified state is in waste water.
The present invention uses filter as oil-sand washes treatment process, and main cause is to increase level-one for recycle-water to protect
Barrier and safety, can be with the suspended matter and petroleum substance in filtered wastewater.
For the present invention to the oil-sand washings after filter by double film process, main cause is with oil-sand washing water reuse
The increase of number, the salt and a variety of dissolubility harmful substance accumulations dissolved in washings significantly increase, the washing to oil-sand
Effect separation generates apparent influence.After oil-sand washing water reuse 3~7 times, can by recycle-water all by double film process after
Reuse is carried out again, can also keep the washing separating effect of oil-sand by part oil sand washings by reuse after double film process.
The present invention carries out advanced oxidation processing, main cause to the concentrated water by being generated in reverse osmosis unit processing procedure
It is to produce the concentrated water for accounting for total treating capacity about 30% during reverse-osmosis treated, COD contents are higher in concentrated water, it is difficult to reach row
Put the requirement of standard.After being handled by advanced oxidation device, COD contents in reduction waste water that can be by a relatively large margin realize reverse osmosis
The qualified discharge of saturating concentrated water.
Embodiment 1：
Oil-sand washes pH value is 9.8, and sand content 3300mg/L, oil content 1400mg/L are mixed by venturi
After device adds concentrated sulfuric acid mixing, pH value of waste water of adjusting is 7.9, then adds polyethers demulsification 100mg/L, is mixed by venturi
Device mixes, and waste water enters oil removal settling tank, sedimentation time 3h, sand content 1000mg/L in settling tank water outlet, oil content
110mg/L.Settling tank treated waste water is sent into cyclone, sand content is 120mg/L after cyclonic separation, then into
Row coagulation air-float and filter device, aluminium silicate polymer dosage are 80mg/L, and cationic polyacrylamide addition is 30mg/L, mistake
Quartz sand is loaded in filter.Filter delivery turbidity 5.0NTU, petroleum content 24mg/L, suspension content 25mg/L.
To the water outlet as oil-sand washings, after recycling 3 times, handled by ultrafiltration and reverse osmosis unit.Reverse osmosis unit generates
Concentrated water, after ozone-active carbon device oxidation processes, COD contents are 60mg/L, reach emission request.
Comparative example 1：
Oil-sand washes pH value is 9.8, and sand content 3300mg/L, oil content 1400mg/L are mixed by venturi
After device adds concentrated sulfuric acid mixing, pH value of waste water of adjusting is 7.9, then adds polyethers demulsification 100mg/L, is mixed by venturi
Device mixes, and waste water enters oil removal settling tank, sedimentation time 3h, sand content 1000mg/L in settling tank water outlet, oil content
110mg/L.Settling tank treated waste water is sent into cyclone, sand content is 120mg/L after cyclonic separation, then into
Row coagulation air-float and filter device, aluminium silicate polymer dosage are 80mg/L, and cationic polyacrylamide addition is 30mg/L, mistake
Quartz sand is loaded in filter.Filter delivery turbidity 5.0NTU, petroleum content 24mg/L, suspension content 25mg/L.
To the water outlet as oil-sand washings, after recycling 3 times, handled by ultrafiltration and reverse osmosis unit.Reverse osmosis unit generates
Concentrated water, COD contents are 180mg/L, and COD contents are higher, cannot reach emission request.
Embodiment 2：
Oil-sand washes pH value is 9.0, and sand content 6000mg/L, oil content 1500mg/L are mixed by venturi
After device adds concentrated sulfuric acid mixing, pH value of waste water of adjusting is 8.2, then adds polyethers demulsification 220mg/L, is mixed by venturi
Device mixes, and waste water enters oil removal settling tank, sedimentation time 3h, sand content 1800mg/L in settling tank water outlet, oil content
150mg/L.Settling tank treated waste water is sent into cyclone, sand content is 170mg/L after cyclonic separation, then into
Row coagulation air-float and filter device, aluminium silicate polymer dosage are 100mg/L, and cationic polyacrylamide addition is 50mg/L,
Chemical fibre matter filler is loaded in filter.Filter delivery turbidity 3.0NTU, petroleum content 16mg/L, suspension content are
20mg/L.To the water outlet as oil-sand washings, after recycling 7 times, handled by ultrafiltration and reverse osmosis unit, reverse osmosis dress
Generation concentrated water is set, after Fenton reagent method oxidation processes, COD contents are 55mg/L, reach emission request.
Embodiment 3：
Oil-sand washes pH value is 12.0, and sand content 1200mg/L, oil content 900mg/L are mixed by venturi
After device adds concentrated sulfuric acid mixing, pH value of waste water of adjusting is 8.6, then adds polyethers demulsification 30mg/L, is mixed by venturi
Device mixes, and waste water enters oil removal settling tank, sedimentation time 1.0h, sand content 400mg/L in settling tank water outlet, oil content
90mg/L.Settling tank treated waste water is sent into cyclone, sand content is 80mg/L after cyclonic separation, is then carried out
Coagulation air-float and filter device, aluminium silicate polymer dosage are 60mg/L, and cationic polyacrylamide addition is 50mg/L, filtering
Quartz sand is loaded in device.Filter delivery turbidity 4.6NTU, petroleum content 20mg/L, suspension content 18mg/L.It is right
The water outlet 50% is recycled directly as oil-sand washings, and in addition 50% water is handled by ultrafiltration and reverse osmosis unit, and two
It is used as oil-sand washings after kind water mixing.Reverse osmosis unit generates concentrated water, after iron-carbon micro-electrolysis device oxidation processes, COD
Content is 53mg/L, reaches emission request.
The present invention uses the Combined Treatment side of " the oil removal sedimentation-bis- film-advanced oxidations of cyclonic separation-coagulation air-float-filtering-"
Method.It the advantage is that：1. to a large amount of sands contained in oil-sand washes, different, the sedimentation time difference according to its grain size,
Multilayer classifying processing, class settling are carried out, sand settles more thorough；2. according to asphalt-base petroleum substance in waste water in waste water
Middle existence is different, oil droplet size difference, carries out classification separation, and petroleum substance separation removal is more thorough；3. in waste water
The many kinds of substance such as the grains of sand, clay, petroleum-type realize advanced treating, treated, and waste water can be used as oil-sand washings cycle make
With；4. being used in series using two-stage venturi mixer, Flow of Goods and Materials speed is fast, and the sand grains for avoiding grain size larger is deposited on equipment
Or inside pipeline, block；5. using the oil-sand washings after double film process, can remove the salt dissolved in washings and
A variety of dissolved matters, the accumulation of salt and multiple harmful substances is to oil-sand washing generation during overcoming washings to recycle
Adverse effect；6. handling reverse osmosis concentrated water using advanced oxidation processes, the COD contents of concentrated water can be reduced, realize reaching for waste water
Mark discharge；7. the technology reduces the pollutant load in externally discharged waste water, high treating effect in oil-sand washing process.
The technology is more advantageous to oil-sand washing separation, is conducive to washings recycling, is conducive in oil-sand washing process
The processing of waste water and qualified discharge, high treating effect.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding change and deformations, but these corresponding change and deformations can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (15)
1. a kind of oil-sand method for processing wash water, which is characterized in that include the following steps：
The waste water that step 1 is separated after washing oil-sand is mixed by first order venturi mixer with acid or alkali, is adjusted useless
Between the pH value of water is 6.0~8.6；
Step 2 again passes by second level venturi mixer and is mixed with demulsifier by step 1 treated waste water, control
The dosage that demulsifier is added is 30~300mg/L；
Step 3 will pass through step 2, and treated that waste water is discharged into oil removal settling tank, keep the residence time of waste water be 0.5~
3.0h removes suspended oil and sandy soil；
Waste water after step 4 settles oil removal carries out cyclonic separation, removes the particulate matter that grain size is 50 μm or more in water removal；
Waste water after cyclonic separation is entered coagulation air-float device by step 5, further removes suspended matter and place in waste water
In the petroleum substance with dissolved state that suspends；
Step 6 will pass through step 5, and treated that waste water is filtered, and obtains oil-sand washings；
Step 7 will pass through step 6 treated oil-sand washings by ultrafiltration and reverse osmosis unit, obtain oil-sand washing reuse
Water；And
The reverse osmosis concentrated water that step 8 will generate after step 7 is handled, by advanced oxidation device, qualified discharge after processing；
Wherein, demulsifier described in step 2 is ethers demulsifier, aldehydes demulsifier or lipid demulsifier.
2. oil-sand method for processing wash water according to claim 1, which is characterized in that acid described in step 1 is selected from salt
Acid, sulfuric acid or nitric acid.
3. oil-sand method for processing wash water according to claim 1, which is characterized in that the throwing of demulsifier described in step 2
Dosage is 50~300mg/L.
4. oil-sand method for processing wash water according to claim 1, which is characterized in that the stop of waste water in the step 3
Time is 1~2.5h.
5. oil-sand method for processing wash water according to claim 1, which is characterized in that in the coagulation air-float in step 5
Flocculant is added in device.
6. oil-sand method for processing wash water according to claim 5, which is characterized in that the flocculant is inorganic polymer
Flocculant or organic polymer coargulator.
7. oil-sand method for processing wash water according to claim 6, which is characterized in that the inorganic polymer flocculant is
Aluminium polychloride or aluminium silicate polymer.
8. oil-sand method for processing wash water according to claim 6, which is characterized in that the organic polymer coargulator is
Cation, anion or non-ionic polyacrylamide.
9. oil-sand method for processing wash water according to claim 8, which is characterized in that the cationic-type polyacrylamide
Molecular weight is 700~10,000,000.
10. oil-sand method for processing wash water according to claim 7, which is characterized in that the inorganic polymer flocculant
Dosage is 40~300mg/L.
11. oil-sand method for processing wash water according to claim 8, which is characterized in that the organic polymer coargulator
Dosage is 2~50mg/L.
12. oil-sand method for processing wash water according to claim 1, which is characterized in that filtering described in step 6 is filtered
Core material is quartz sand, activated carbon or chemical fibre.
13. oil-sand method for processing wash water according to claim 1, which is characterized in that ultrafiltration and anti-in the step 7
Infiltration is organic film or inoranic membrane with film.
14. oil-sand method for processing wash water according to claim 1, which is characterized in that in the step 7, oil-sand washing
Water by ultrafiltration apparatus, then passes through reverse osmosis unit first.
15. oil-sand method for processing wash water according to claim 1, which is characterized in that reverse osmosis concentrated in the step 8
The advanced oxidation of water, for ozone-active carbon oxidation, the oxidation of Fenton reagent method or iron-carbon micro-electrolysis oxidation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824674.8A CN106745945B (en) | 2015-11-24 | 2015-11-24 | Oil sand washing water treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510824674.8A CN106745945B (en) | 2015-11-24 | 2015-11-24 | Oil sand washing water treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106745945A CN106745945A (en) | 2017-05-31 |
| CN106745945B true CN106745945B (en) | 2018-09-04 |
Family
ID=58964565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510824674.8A Active CN106745945B (en) | 2015-11-24 | 2015-11-24 | Oil sand washing water treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106745945B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133405B (en) * | 2017-06-19 | 2021-10-08 | 中国石油化工股份有限公司 | Method for purifying sulfur-containing sewage of delayed coking |
| CN113233660A (en) * | 2021-04-29 | 2021-08-10 | 濮阳天地人环保科技股份有限公司 | Treatment method of salt-containing organic wastewater in oilfield sewage |
| CN114014479A (en) * | 2021-11-23 | 2022-02-08 | 东营职业学院 | Advanced treatment method of petrochemical wastewater |
-
2015
- 2015-11-24 CN CN201510824674.8A patent/CN106745945B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106745945A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110451749B (en) | Method, system and process for strengthening ultrasonic demulsification of oily sludge | |
| US20200289959A1 (en) | Means of Affecting Separation | |
| CN106745945B (en) | Oil sand washing water treatment method | |
| CN107867744A (en) | One kind loading flocculation sewage water treatment method | |
| CN105923830B (en) | A kind of preprocess method of coal chemical industrial waste water two-stage enhanced coagulation oil removing | |
| US10358360B2 (en) | Purification of oil-polluted water and device suitable therefor | |
| MX2014005179A (en) | Methods and systems for processing crude oil. | |
| CN102226100B (en) | Method and apparatus for high-efficient crude oil desalination / dehydration | |
| WO2014127477A1 (en) | Process and apparatus for treating drilling fluid | |
| CN105753203B (en) | Oil sand washing water treatment method | |
| KR100981290B1 (en) | A system for nonpoint pollution source and method for using it | |
| US10913670B2 (en) | Oil sands tailings treatment | |
| EP4058218B1 (en) | Treatment of hydrocarbon-contaminated materials | |
| CN106745946B (en) | oil sand washing water treatment method | |
| US20230227734A1 (en) | Treatment of contaminated oil produced by oil and gas wells | |
| CN114477714B (en) | Recovery treatment method for tank cleaning oil sludge | |
| AlHomadhi et al. | Oily water treatment using particles of crushed dates seeds as a deep bed filtration material | |
| JP2017039088A (en) | Processing method and processing apparatus of oily waste water | |
| CN204251486U (en) | Broken glue takes off firm liquid separation and culture device | |
| CN105174662B (en) | The treating method and apparatus of oil field difficult degradation oil extraction-generated waste water | |
| CN104016452A (en) | Treatment process of oilfield produced water | |
| CN210313812U (en) | Integrated treatment system for flushing backflow liquid | |
| CA2983961C (en) | Treatment and dewatering of oil sands fine tailings | |
| Sinanan | Improved Solids Control Technique For Onshore Drilling Operators In Trinidad | |
| CN104671376A (en) | Process for treating high-concentration pectin wastewater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |