CN109502895B - Petroleum refining wastewater treatment device - Google Patents
Petroleum refining wastewater treatment device Download PDFInfo
- Publication number
- CN109502895B CN109502895B CN201811457341.6A CN201811457341A CN109502895B CN 109502895 B CN109502895 B CN 109502895B CN 201811457341 A CN201811457341 A CN 201811457341A CN 109502895 B CN109502895 B CN 109502895B
- Authority
- CN
- China
- Prior art keywords
- reactor
- photocatalytic
- adsorbent
- treatment unit
- tank
- 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
Images
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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- 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
- C02F2305/10—Photocatalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a petroleum refining wastewater treatment device, which comprises a primary pretreatment unit, a secondary photocatalytic biochemical treatment unit and a tertiary advanced treatment unit which are sequentially connected through pipelines, wherein the primary pretreatment unit comprises an oil removal tank and an adjusting tank which are sequentially connected through pipelines; the secondary photocatalytic biochemical treatment unit comprises a photocatalytic reactor and an aerobic biological rotating disc reactor which are sequentially connected through a pipeline; the three-stage advanced treatment unit is a multi-layer activated carbon filter tower. The invention has the beneficial effects that: the three-stage treatment unit is tightly combined, wherein the photocatalytic reactor combines the fixed bed with the fluidized bed reactor, and sunlight is used as a light source, so that the reaction efficiency is improved, energy conservation and emission reduction are realized, the effluent quality is stable, and the effluent can reach the standard emission.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a petroleum refining wastewater treatment device.
Background
A large amount of waste water is generated in the petroleum generation and processing process, and in terms of the existing water injection exploitation technology, the water content in petroleum is continuously improved along with the increase of exploitation times, and the content of the generated waste water is continuously increased. In addition, waste water with different degrees is generated in the process of refining and storing, and if the waste water is not treated, the environment is seriously polluted and the health of people is harmed. In order to protect the environment, refineries must strictly treat various waste waters produced, and discharge or recycle them after reaching the national standards.
Patent CN101113035A describes a method for treating oil refining sewage by using an aeration rotational flow technology, which can efficiently recover floating oil, dispersed oil and emulsified oil in the oil refining sewage and remove most suspended matters at the same time, and is characterized in that the process can replace a physicochemical treatment section in the existing oil refining sewage treatment process by arranging at least two stages of aeration hydrocyclones and combining a demulsifier, a coagulant and a coagulant aid, and has the characteristics of high efficiency, small occupied area and less investment; patent CN101948201A describes a combined treatment process for recycling oil extraction wastewater, which combines electric flocculation treatment, ultrafiltration treatment and reverse osmosis treatment, and is characterized in that the ultrafiltration treatment adopts a process of operation-backwashing-forward washing-operation, and the reverse osmosis adopts seawater desalination membrane elements connected in series, and the three steps of the method respectively remove polymers, suspended solids colloids and soluble solids in oil extraction wastewater; patent CN203715442U describes a petroleum refining wastewater treatment system, which is characterized in that the grid effluent is connected with an adjusting tank, an oil separation tank, a secondary air flotation system, an anaerobic tank and a coagulating sedimentation tank in sequence through pipelines, and the effluent pipeline of an intermediate water tank is connected with a multi-media filter and a reuse water tank in sequence, so that the removal of oil pollutants is enhanced, and pollutants such as organic pollutants, suspended solids and the like in petroleum refining wastewater can be effectively removed.
At present, the traditional oil extraction sewage treatment is only a simple oil separation-air floatation-biochemical three-step treatment process, the treatment method is single, the treatment efficiency is not high, and the treatment effect cannot be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a petroleum refining wastewater treatment device.
The purpose of the invention is realized by the following technical scheme: a petroleum refining wastewater treatment device comprises a primary pretreatment unit, a secondary photocatalytic biochemical treatment unit and a tertiary advanced treatment unit which are sequentially connected through pipelines, wherein the primary pretreatment unit comprises an oil removal tank and an adjusting tank which are sequentially connected through pipelines, two adsorbent grids with an oil absorption function are arranged in the oil removal tank, and a dosing and stirring device for adding a demulsifier is arranged between the two adsorbent grids; the pH meter feeds results back to the pH display, and according to the pH value, the acid blending agent storage dosing tank and the alkali blending agent storage dosing tank are added with acid and alkali; the secondary photocatalytic biochemical treatment unit comprises a photocatalytic reactor and an aerobic biological rotating disc reactor which are sequentially connected through a pipeline, the photocatalytic reactor is a flat plate type quartz glass solar photocatalytic reactor, sunlight resources are fully utilized, energy is saved, emission is reduced, the flat plate type quartz glass solar photocatalytic reactor comprises a fluidized bed type flat plate reactor and a fixed bed type tubular reactor arranged in the fluidized bed type flat plate reactor, the fixed bed and the fluidized bed reactor are combined, the fluidized bed type flat plate reactor is connected with an air inlet, the air inlet is connected with an air blower, and the fixed bed type tubular reactor and the fluidized bed type flat plate reactor are filled with a photocatalyst.
The fluidized bed catalytic reactor has high reaction efficiency, but the catalyst is difficult to separate, and the utilization rate is low; the catalyst of the fixed bed catalytic reactor is easy to separate but has high energy consumption and troublesome catalyst loading; the invention combines the two, can obtain respective advantages, not only improves the reaction efficiency, but also improves the catalyst separation capacity, and integrally improves the reaction efficiency and the catalyst utilization rate.
A stirring rod is arranged in the aerobic biological rotating disk reactor, a plurality of rotating disks are arranged on the stirring rod at intervals along the direction from top to bottom, a stirring paddle is arranged at the lower end of the stirring rod, the stirring rod is of a hollow structure, vent holes are uniformly distributed in the side wall of the stirring rod, the hollow part of the stirring rod is connected with a fan through a pipeline, the stirring rod is an air inlet circuit, and the stirring rod is dispersed to the rotating disks and supplies oxygen to the aerobic biological rotating disk reactor; the three-stage advanced treatment unit is a multilayer activated carbon filter tower, and a plurality of activated carbon filter layers are arranged in the multilayer activated carbon filter tower at intervals along the direction from top to bottom. The bottom of the multilayer activated carbon filter tower is provided with a water inlet, the top of the multilayer activated carbon filter tower is provided with a water outlet, the water inlet and the water outlet are arranged in a countercurrent mode, part of treated water outlet flows back to the regulating tank for pretreatment, and part of treated water outlet is directly discharged.
The adsorbent graticule mesh include the graticule mesh body and attach to the adsorbent on the graticule mesh, the adsorbent is the resin adsorbent.
The demulsifier is a polyol polyether demulsifier and is used for demulsifying and separating emulsified oil in the refining wastewater.
The catalyst is TiO photocatalyst2A catalyst.
After petroleum refining wastewater is sent to an oil removal tank, floating oil is adsorbed through one layer of adsorbent grid, a demulsifier is uniformly distributed to the middle of two layers of adsorbent grids from a stirring paddle, emulsified oil in the wastewater is demulsified, the emulsified oil passes through the other layer of adsorbent grid and enters an adjusting tank, a pH meter in the adjusting tank is used for measuring the pH of the wastewater, acid or alkali is added through an acid blending agent storage tank and an alkali blending agent storage tank according to the measuring result, then the wastewater enters a flat-plate quartz glass solar photocatalytic reactor, one part of the wastewater flows into a fixed bed type tubular reactor, the other part of the wastewater directly enters a fluidized bed type flat-plate reactor, an air blower is turned on, and the air blower is turned on a TiO (titanium dioxide) plate reactor2Under the action of a catalyst and sunlight, substances which are difficult to degrade in the refining wastewater are degraded, then enter an aerobic biological rotating disc reactor for aerobic biological treatment, further degrade small molecular substances, then enter a multi-layer activated carbon filter tower, and part of treated effluent flows back to a regulating tank and part of treated effluent is directly discharged.
The invention has the following advantages:
the three-stage treatment unit is tightly combined, wherein the photocatalytic reactor combines the fixed bed with the fluidized bed reactor, and takes sunlight as a light source, so that the reaction efficiency is improved, energy conservation and emission reduction are realized, the effluent quality is stable, and the effluent can reach the standard emission.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
as shown in fig. 1, a petroleum refining wastewater treatment device comprises a primary pretreatment unit, a secondary photocatalytic biochemical treatment unit and a tertiary advanced treatment unit which are sequentially connected through pipelines, wherein the primary pretreatment unit comprises an oil removal tank 1 and an adjusting tank 9 which are sequentially connected through pipelines, two adsorbent grids 5 with an oil absorption function are arranged in the oil removal tank, and a dosing and stirring device 2 for adding a demulsifier is arranged between the two adsorbent grids 5; a stirring paddle is arranged in the adjusting tank, a pH meter 10 is arranged on the stirring paddle, a pH display 14, an acid blending agent storage dosing tank 12 and an alkali blending agent storage dosing tank 13 are arranged on the upper portion of the adjusting tank, the pH meter feeds results back to the pH display 14, and according to the pH value, the acid blending agent storage dosing tank 12 and the alkali blending agent storage dosing tank 13 are used for adding acid and alkali; the secondary photocatalytic biochemical treatment unit comprises a photocatalytic reactor 18 and an aerobic biological rotating disc reactor 22 which are sequentially connected through a pipeline, the photocatalytic reactor 18 is a flat-plate quartz glass solar photocatalytic reactor, the sunlight resource is fully utilized, energy is saved, and emission is reduced, the flat-plate quartz glass solar photocatalytic reactor comprises a fluidized bed type flat-plate reactor and a fixed bed type tubular reactor 17 arranged in the fluidized bed type flat-plate reactor, the fixed bed and the fluidized bed reactor are combined, the fluidized bed type flat-plate reactor is connected with an air inlet, the air inlet is connected with an air blower 20, the fixed bed type tubular reactor 17 and the fluidized bed type flat-plate reactor are both made of transparent materials, and photocatalysts are filled in the fixed bed type tubular reactor 17 and the fluidized bed type flat-plate reactor;
a stirring rod is arranged in the aerobic biological rotating disk reactor 22, a plurality of rotating disks are arranged on the stirring rod at intervals along the direction from top to bottom, a stirring paddle is arranged at the lower end of the stirring rod, the stirring rod is of a hollow structure, vent holes are uniformly distributed in the side wall of the stirring rod, the hollow part of the stirring rod is connected with a fan through a pipeline, the stirring rod is an air inlet circuit, and is dispersed to the rotating disks to supply oxygen to the aerobic biological rotating disk reactor; the three-stage advanced treatment unit is a multilayer activated carbon filter tower 25, and a plurality of activated carbon filter layers are arranged in the multilayer activated carbon filter tower 25 at intervals along the direction from top to bottom. The bottom of the multilayer activated carbon filter tower 25 is provided with a water inlet, the top of the multilayer activated carbon filter tower 25 is provided with a water outlet, the water inlet and the water outlet are arranged in a counter-current mode, part of the treated water outlet flows back to the regulating tank for pretreatment, and part of the treated water outlet is directly discharged.
The fluidized bed catalytic reactor has high reaction efficiency, but the catalyst is difficult to separate, and the utilization rate is low; the catalyst of the fixed bed catalytic reactor is easy to separate but has high energy consumption and troublesome catalyst loading; the invention combines the two, can obtain respective advantages, not only improves the reaction efficiency, but also improves the catalyst separation capacity, and integrally improves the reaction efficiency and the catalyst utilization rate.
Adsorbent graticule mesh 5 include graticule mesh body and attach to the adsorbent on the graticule mesh, the adsorbent is the resin adsorbent.
The demulsifier is a polyol polyether demulsifier and is used for demulsifying and separating emulsified oil in the refining wastewater.
The catalyst is TiO photocatalyst2And a catalyst 19.
After petroleum refining wastewater is sent to an oil removal tank 1, the oil slick is adsorbed through one layer of adsorbent grid 5, a demulsifier is uniformly distributed to the middle of two layers of adsorbent grids 5 from a stirring paddle 2, the emulsified oil in the wastewater is demulsified, the emulsified oil passes through the other layer of adsorbent grid 5 and enters an adjusting tank, a pH meter 10 in the adjusting tank measures the pH of the wastewater, acid or alkali is added through an acid blending agent storage tank 12 and an alkali blending agent storage tank 13 according to the measurement result, the wastewater enters a flat plate type quartz glass solar photocatalytic reactor 18, one part of the wastewater flows into a fixed bed type tubular reactor 17, one part of the wastewater directly enters a fluidized bed type flat plate type reactor, an air blower 20 is turned on, and the air blower 20 is turned on the TiO scale2Under the action of a catalyst and sunlight, substances which are difficult to degrade in the refining wastewater are degraded, then enter an aerobic biological rotating disc reactor 22 for aerobic biological treatment, further degrade small molecular substances, then enter a multilayer activated carbon filter tower 25, and part of treated effluent flows back to an adjusting tank and part of treated effluent is directly discharged.
TABLE 1 comparison of parameters before and after treatment of oily wastewater
| Index (I) | COD | BOD | TN | TP | Oil content in water |
| Raw water | 278mg/L | 145mg/L | 77mg/L | 23mg/L | 452mg/L |
| First stage treatment | 223mg/L | 105mg/L | 61mg/L | 18mg/L | 108mg/L |
| Secondary treatment | 41mg/L | 23mg/L | 11mg/L | 0.5mg/L | 66mg/L |
| Three stage treatment | 32mg/L | 18mg/L | 9mg/L | 0.2mg/L | 53mg/L |
Claims (4)
1. The utility model provides a petroleum refining effluent treatment plant which characterized in that: the device comprises a primary pretreatment unit, a secondary photocatalytic biochemical treatment unit and a tertiary advanced treatment unit which are sequentially connected through pipelines, wherein the primary pretreatment unit comprises an oil removal tank and an adjusting tank which are sequentially connected through pipelines, two adsorbent grids with an oil absorption function are arranged in the oil removal tank, and a dosing and stirring device for adding a demulsifier is arranged between the two adsorbent grids; a stirring paddle is installed in the adjusting tank, a pH meter is installed on the stirring paddle, and a pH display, an acid blending agent storage dosing tank and an alkali blending agent storage dosing tank are installed on the upper portion of the adjusting tank; the secondary photocatalytic biochemical treatment unit comprises a photocatalytic reactor and an aerobic biological rotating disc reactor which are sequentially connected through a pipeline, the photocatalytic reactor is a flat plate type quartz glass solar photocatalytic reactor, sunlight resources are fully utilized, energy is saved, and emission is reduced, the flat plate type quartz glass solar photocatalytic reactor comprises a fluidized bed type flat plate reactor and a fixed bed type tubular reactor arranged in the fluidized bed type flat plate reactor, the fluidized bed type flat plate reactor is connected with an air inlet, the air inlet is connected with a blower, and the fixed bed type tubular reactor and the fluidized bed type flat plate reactor are filled with photocatalyst;
a stirring rod is arranged in the aerobic biological rotating disk reactor, a plurality of rotating disks are arranged on the stirring rod at intervals along the direction from top to bottom, a stirring paddle is arranged at the lower end of the stirring rod, the stirring rod is of a hollow structure, exhaust holes are uniformly distributed in the side wall of the stirring rod, and the hollow part of the stirring rod is connected with a fan through a pipeline; the three-stage advanced treatment unit is a multilayer activated carbon filter tower, and a plurality of activated carbon filter layers are arranged in the multilayer activated carbon filter tower at intervals along the direction from top to bottom.
2. The petroleum refining wastewater treatment device according to claim 1, characterized in that: the adsorbent graticule mesh include the graticule mesh body and attach to the adsorbent on the graticule mesh, the adsorbent is the resin adsorbent.
3. The petroleum refining wastewater treatment device according to claim 1, characterized in that: the demulsifier is a polyol polyether demulsifier.
4. The petroleum refining wastewater treatment device according to claim 1, characterized in that: the photocatalyst is TiO2A catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457341.6A CN109502895B (en) | 2018-11-30 | 2018-11-30 | Petroleum refining wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811457341.6A CN109502895B (en) | 2018-11-30 | 2018-11-30 | Petroleum refining wastewater treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109502895A CN109502895A (en) | 2019-03-22 |
| CN109502895B true CN109502895B (en) | 2021-06-22 |
Family
ID=65749871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811457341.6A Active CN109502895B (en) | 2018-11-30 | 2018-11-30 | Petroleum refining wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109502895B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539760A (en) * | 2003-11-04 | 2004-10-27 | 华南理工大学 | Turntable for treating water in photocatalysis and biology method |
| CN202289835U (en) * | 2011-10-28 | 2012-07-04 | 宇星科技发展(深圳)有限公司 | Organic waste gas purifying system |
| WO2012170028A1 (en) * | 2011-06-09 | 2012-12-13 | Verutek Technologies, Inc. | Compositions and methods for oil spill remediation |
| CN106116062A (en) * | 2016-08-29 | 2016-11-16 | 武汉东川自来水科技开发有限公司 | The processing system of a kind of oil-polluted water and processing method |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2302340Y (en) * | 1997-01-21 | 1998-12-30 | 沈诚 | Vehicle tail gas purifier |
| CN103408127B (en) * | 2008-05-20 | 2016-06-01 | 北京汉青天朗水处理科技有限公司 | A kind of waste disposal plant |
| CN101381190A (en) * | 2008-10-14 | 2009-03-11 | 云南大学 | Treatment technique suitable for high salt and high concentrated organic wastewater |
| CN103102037B (en) * | 2011-11-10 | 2014-04-02 | 中国石油化工股份有限公司 | Electric desalting wastewater treatment method |
| CN102491579A (en) * | 2011-11-14 | 2012-06-13 | 中国海洋石油总公司 | Treatment method for waste water of oil and gas storage and gas station |
| CN103771652B (en) * | 2012-10-23 | 2016-06-22 | 中国石油化工股份有限公司 | A kind of processing method processing acid-containing raw oil waste water |
| WO2016044348A1 (en) * | 2014-09-15 | 2016-03-24 | Velocys Technologies, Ltd. | Methods of making purified water from the fischer-tropsch process |
| CN105617947B (en) * | 2014-10-27 | 2018-09-28 | 中国石油化工股份有限公司 | A kind of fixed bed-fluidized bed reactor and its application |
| CN105668915A (en) * | 2015-12-14 | 2016-06-15 | 中国石油集团东北炼化工程有限公司吉林设计院 | Treatment method for degradation-resistant petrochemical engineering wastewater |
| CN105731706B (en) * | 2016-02-18 | 2020-11-17 | 北京清大国华环境股份有限公司 | Method and device for treating waste emulsion with extremely high concentration |
| CN107117767B (en) * | 2017-04-18 | 2020-09-25 | 青海省化工设计研究院有限公司 | Petrochemical wastewater treatment method |
| CN107381782A (en) * | 2017-07-19 | 2017-11-24 | 成都市瑞焱科技有限公司 | A kind of biological rotating disk formula sewage-treatment plant |
| CN107915278A (en) * | 2018-01-04 | 2018-04-17 | 长沙南方宇航环境工程有限公司 | Integrated oil removal slag removal equipment |
| CN108715501A (en) * | 2018-05-07 | 2018-10-30 | 苏州亚得宝消防设备有限公司 | A kind of sour water treatment process |
-
2018
- 2018-11-30 CN CN201811457341.6A patent/CN109502895B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539760A (en) * | 2003-11-04 | 2004-10-27 | 华南理工大学 | Turntable for treating water in photocatalysis and biology method |
| WO2012170028A1 (en) * | 2011-06-09 | 2012-12-13 | Verutek Technologies, Inc. | Compositions and methods for oil spill remediation |
| CN202289835U (en) * | 2011-10-28 | 2012-07-04 | 宇星科技发展(深圳)有限公司 | Organic waste gas purifying system |
| CN106116062A (en) * | 2016-08-29 | 2016-11-16 | 武汉东川自来水科技开发有限公司 | The processing system of a kind of oil-polluted water and processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109502895A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100465112C (en) | Technological process of treating papermaking effluent for reuse based on membrane integrating technique | |
| CN101980969A (en) | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods | |
| CN101219842A (en) | Technique and equipment for recycling leachate of garbage | |
| CN202766327U (en) | High-efficiency recyclable photocatalysis industrial wastewater treatment device | |
| CN105819620A (en) | Wastewater treatment technology and device beneficial to removing black and odorous water | |
| CN205773937U (en) | A kind of ozone occurs and processing means | |
| CN102923916A (en) | Chemical pharmaceutical wastewater treatment system | |
| CN104743745A (en) | System for advanced treatment of garlic wastewater | |
| CN208022860U (en) | Depth waste water treatment system | |
| CN110228898A (en) | A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water | |
| CN104193082B (en) | A kind of quick treatment device of kitchen garbage, waste-water and method | |
| CN203256089U (en) | Organic wastewater treatment device | |
| CN103613229A (en) | Reinforced electrochemical coupling catalytic oxidation device and technology | |
| CN203112655U (en) | Dispersive MBR (Membrane Bioreactor) water neutralizer | |
| CN201301254Y (en) | Buried type oligodynamic sewage treatment device | |
| CN209098459U (en) | A kind of high gravity fermentation class antibiotic waste water processing system | |
| CN202643504U (en) | Organic solvent desorbed waste water and oil paint waste water treatment device | |
| CN109502895B (en) | Petroleum refining wastewater treatment device | |
| CN206886798U (en) | anaerobic/aerobic integrated reactor | |
| CN207091248U (en) | A kind of Waste Water Treatment in Chinese medicine preparation | |
| CN207121472U (en) | A kind of aerobic integrated sewage-treating reactor device of internal circulating anaerobic | |
| CN201553670U (en) | Equipment for recycling garbage percolate through reverse osmosis desalination multistage pretreatment | |
| CN204588953U (en) | For Coal Chemical Industry oil product synthetic wastewater treatment unit | |
| CN205710287U (en) | One way of life sewage disposal system | |
| CN1644537A (en) | Polyether polyatomic alcohol producing sewage recovering and utilizing treatment |
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 |