CN106927616A - Biological aerated filter sewage treatment integrated device and its processing method - Google Patents
Biological aerated filter sewage treatment integrated device and its processing method Download PDFInfo
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- CN106927616A CN106927616A CN201511001817.1A CN201511001817A CN106927616A CN 106927616 A CN106927616 A CN 106927616A CN 201511001817 A CN201511001817 A CN 201511001817A CN 106927616 A CN106927616 A CN 106927616A
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- ozone
- backwash
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- sewage
- decomposition catalyst
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- 239000010865 sewage Substances 0.000 title claims abstract description 104
- 238000011282 treatment Methods 0.000 title claims abstract description 53
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000003054 catalyst Substances 0.000 claims abstract description 65
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 58
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 55
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 53
- 230000003647 oxidation Effects 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 45
- 230000000694 effects Effects 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 36
- 238000006385 ozonation reaction Methods 0.000 claims abstract description 24
- 230000015556 catabolic process Effects 0.000 claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 238000011001 backwashing Methods 0.000 claims abstract description 12
- 238000005273 aeration Methods 0.000 claims description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 244000005700 microbiome Species 0.000 claims description 9
- 239000005416 organic matter Substances 0.000 claims description 9
- 238000006065 biodegradation reaction Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 229910003439 heavy metal oxide Inorganic materials 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910003158 γ-Al2O3 Inorganic materials 0.000 claims description 4
- 238000003776 cleavage reaction Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000007017 scission Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 28
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 24
- 239000000243 solution Substances 0.000 description 19
- 230000008569 process Effects 0.000 description 17
- 239000000945 filler Substances 0.000 description 8
- 230000002906 microbiologic effect Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 6
- 230000000813 microbial effect Effects 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000002079 cooperative effect Effects 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- UBEWDCMIDFGDOO-UHFFFAOYSA-N cobalt(II,III) oxide Inorganic materials [O-2].[O-2].[O-2].[O-2].[Co+2].[Co+3].[Co+3] UBEWDCMIDFGDOO-UHFFFAOYSA-N 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of biological aerated filter sewage treatment integrated device and its processing method, ozone joint H is sequentially provided with integral sewage treating tank body from bottom to top2O2Catalysis oxidation layer, ozone decomposition catalyst layer and biologic packing material layer, rinsing gas circuit structure includes backwash tracheae, and backwashing water line structure includes backwash water inlet pipe, ozone joint H2O2Backwash tracheae and backwash water inlet pipe, ozone joint H are provided between catalysis oxidation layer and ozone decomposition catalyst layer2O2Catalysis oxidation layer lower section is provided with H2O2Feed liquor pipe device and ozonation aerated device.Sewage to entering from tank base is successively processed, and is converted into biodegradable organic, resolves into the oxygen that can be utilized by biologic packing material Ceng Zhong Institute of Micro-biology, then isolated normal water quality after degrading.More advanced treating is effectively carried out to the organic wastewater containing difficult for biological degradation, clearance is improved, wastewater biodegradability, sustainable raising water treatment effect is improved.
Description
Technical field
The present invention relates to a kind of sewage disposal, more particularly, to a kind for the treatment of for being applied to biological aerated filter sewage treatment
Device and its processing method.
Background technology
With society and expanding economy, miscellaneous chemical products are mass produced out, at the same time, substantial amounts of
Wastewater from chemical industry is also drained into environment, and the sustainable development to society causes serious threat, and the environment that we live is being received
To the industries such as chemical industry, medicine, dyestuff institute waste discharge influence simultaneously, water pollution situation is also increasingly severe；Current environment section
Grind the research that personnel are just paying close attention to wastewater processing technology.Kind of waste water includes industrial wastewater, the wherein major class of sanitary wastewater two, lavatory
Institute, kitchen, bathing etc. belong to sanitary wastewater by the waste water that Human routine activities are discharged, and industrial wastewater refers to factory in life
The various waste water given off produced in product process, the complicated component of industrial wastewater, species is various, for example, phenol wastewater, a huge sum of money
Category waste water, sulfur-containing waste water, cyanide wastewater etc..And BAF is used as a kind of Biochemical method technique, to water quality requirement
It is high, it is adaptable to the preferable sewage of biochemical, therefore when the dyeing waste water of difficult for biological degradation is processed, if directly using biological
Method, is extremely difficult to clearance higher, and higher based on chemical oxidization method typically cost, it is difficult to the treatment effect of constantly improve waste water
Fruit and its biodegradability.
The content of the invention
The present invention is existed based on chemical oxidization method typically cost to solve existing biological aerated filter sewage treatment device
It is higher, be extremely difficult to clearance higher, it is difficult to the present situation such as treatment effect and its biodegradability of constantly improve waste water and provide
A kind for the treatment of that more depth can be effectively carried out to the organic wastewater containing difficult for biological degradation, improve clearance, improve waste water
Biodegradability, the biological aerated filter sewage treatment integrated device and its processing method of sustainable raising water treatment effect.
The present invention for the concrete technical scheme that is used of solution above-mentioned technical problem for：A kind of BAF treatment is dirty
Water integrated device, it is characterised in that：At ozonation aerated device, backwash gas line structure, backwashing water line structure and sewage
Reason integral type tank body, is provided with ozone joint H in the integral sewage treating tank body2O2Catalysis oxidation layer, ozone decomposition catalyst
Layer and biologic packing material layer, wherein ozone joint H2O2Catalysis oxidation layer is located at the lower section of ozone decomposition catalyst layer, and ozone decomposed is urged
Agent layer top is provided with biologic packing material layer, and rinsing gas circuit structure includes backwash tracheae, and backwashing water line structure includes backwash
Water inlet pipe, ozone joint H2O2Backwash tracheae is provided between catalysis oxidation layer and ozone decomposition catalyst layer and backwash is intake
Pipe, ozone joint H2O2Catalysis oxidation layer lower section is provided with H2O2Feed liquor pipe device and ozonation aerated device.Pass through flange between layer
It is fastenedly connected, not only improves demolition and maintenance and facilitate the installation of device again and update maintenance；Ozone combines H2O2Catalysis oxidation layer
With the integral type tank structure combination of ozone decomposition catalyst layer, the life of biologic packing material layer in the tank body of integral type is then passed through again
Thing is degraded, and the treatment of more depth can be effectively carried out to the organic wastewater containing difficult for biological degradation, improves clearance, improves waste water
Biodegradability, sustainable raising water treatment effect.Can be efficiently applied to process the organic wastewater containing difficult for biological degradation
Advanced treating.
Preferably, described backwash gas line structure includes backwash tracheae and air blower, if backwash tracheae is provided with
The dry outlet injector head of opening upwards, outlet injector head is arranged on the ozone decomposed catalysis of integral sewage treating tank interior
Oxidant layer lower position.Improve backwash effect of the backwash gas circuit below ozone decomposition catalyst layer.
Preferably, described backwash water route assembling structure includes backwash water inlet pipe, and backwash water inlet pipe is provided with some
The water inlet injector head of individual opening upwards, water inlet injector head is arranged on the ozone decomposition catalyst of integral sewage treating tank interior
Layer lower position, and in backwash tracheae lower position.Raising backwash water route is below ozone decomposition catalyst layer
Backwash effect.
Preferably, described backwash gas line structure is located at backwashing water line structure top position.Improve in ozone point
Backwash effect below solution catalyst layer.
Preferably, described ozone decomposition catalyst layer is respectively equipped with porous support plate in upper end and bottom end.Improve and use
In support decomposition catalyst and the support discomposing effect of biologic packing material.
Preferably, proper drainage pipeline and backwash outlet pipeline structure are provided with above biologic packing material layer, at sewage
Proper drainage pipeline guide plate and backwash outlet pipeline guide plate are provided with reason integral type tank interior upper end position, wherein just
Normal discharge pipe line guide plate upper end open is higher than backwash outlet pipeline upper end open.Improve the draining water quality effect of proper drainage
Really.
Preferably, described H2O2Feed liquor pipe device includes H2O2Feed tube, measuring pump and H2O2Solution storage tank, H2O2Feed liquor
Pipe is provided with several jet heads, and several jet heads are distributed in ozone joint H2O2Catalysis oxidation layer lower position.Improve
H2O2Feed liquor even results.
Preferably, described ozonation aerated device includes ozone generating-device, water sprayer and ozonation aerated air inlet pipe, ozone
Several aeration heads are distributed with aeration air inlet pipe, the distribution of several aeration heads is arranged on H2O2H in feed liquor pipe device2O2
Feed tube lower position, the aeration head in ozonation aerated air inlet pipe is located at lowest position in integral sewage treating tank body
Place.Improve ozonation aerated effect interior in integral sewage treating tank body.
Another goal of the invention of the invention is to provide a kind of biological aerated filter sewage treatment processing method, and its feature exists
In：Comprise the following steps
Ozone to entering one of above-mentioned technical proposal combines H2O2The sewage of catalysis oxidation layer is pre-processed, and carries out destruction dirty
The organic pollution of difficult for biological degradation in water, and the step of be translated into biodegradable organic matter；
Sewage to entering the ozone decomposition catalyst layer of one of above-mentioned technical proposal is further improved its ozone oxidation point
Solution efficiency, it is ensured that do not influence the activity of microorganism normal cleavage because remaining ozone enters into biologic packing material layer, decomposition-reduction
The step of obtaining the oxygen that can be utilized by the Institute of Micro-biology in biologic packing material layer；
To flowing to the step of carry out biologic packing material layer in biologic packing material layer on the sewage that is aoxidized by preliminary catalytic；
To the step of isolated normal water quality is discharged after biologic packing material layer biodegradation.
Effectively realize that ozone combines H2O2Catalysis oxidation-biological aerated filter process integration.Single O3Oxidation effectiveness is not
Good, high cost, by process combination, can promote O3Decompose and produce OH, enhancing saves O to the oxidation effectiveness of pollutant3Throw
Dosage.The remarkable advantage of process combination is first to destroy the organic of difficult for biological degradation in sewage using advanced catalytic oxidation mode
Thing, is translated into biodegradable organic matter, recycles biological aerated filter process to carry out biochemical degradation to it, fully hair
Wave the cooperative effect of advanced catalytic oxidation and BAF so that the sewage containing refractory organic is obtained effectively
Treatment.
Preferably, the ozone decomposition catalyst of the ozone decomposition catalyst layer selects transition metal oxide or support type
Noble heavy metal oxide, carrier select γ-Al2O3、TiO2、SiO2Or one or more composite parts of molecular sieve.Improve and divide
Solution catalytic effect.
The beneficial effects of the invention are as follows：1. realize that ozone combines H2O2Catalysis oxidation-BAF integration.It is single
O3Oxidation effectiveness is bad, high cost, can promote O3Decompose and produce OH, enhancing saves O to the oxidation effectiveness of pollutant3Add
Amount.Remarkable advantage is the organic matter that difficult for biological degradation in sewage is first destroyed using advanced catalytic oxidation mode, is translated into
Biodegradable organic matter, recycles biological aerated filter process to carry out biochemical degradation to it, gives full play to senior catalysis oxygen
Change the cooperative effect with BAF so that the sewage containing refractory organic is effectively processed.
2. H is combined in ozone2O2Catalysis oxidation layer bottom is provided with H2O2Feed tube, O3Aeration head, the water of different sewage
Matter feature, can control H by measuring pump2O2The dosage of solution.
3. the present invention combines H using flange connection to ozone2O2Catalysis oxidation layer, O3Decomposition catalyst layer and BAF
Layer, is attached, and can dismantle at any time, facilitates equipment installation and checkout (EIC), not only contributes to filling and is filled out with more catalyst changeout and biology
Material, is also beneficial to change ozone joint H2O2Aeration head in catalysis oxidation layer.
4. the present invention uses O3The mode of decomposition catalyst further improves O3Oxidation catalysis efficiency, further ensure that O3
Decomposed completely in water, protected the BAF layers of activity of microorganism, increased O3Decomposition catalyst layer, O is promoted by catalyst3
Further decomposition-reduction be O2, it is ensured that without remaining O3The BAF layers of degraded activity of influence aerobic microbiological is entered into, and
Decomposite the O for coming2Can be used by aerobic microbiological.The depth of the organic wastewater containing difficult for biological degradation can be efficiently applied to process
Degree treatment.
Brief description of the drawings：
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of biological aerated filter sewage treatment integrated device of the present invention.
Fig. 2 is the open support plate structure schematic diagram in biological aerated filter sewage treatment integrated device of the present invention.
Specific embodiment
In embodiment shown in Fig. 1, Fig. 2, a kind of biological aerated filter sewage treatment integrated device includes ozonation aerated dress
Put, backwash gas line structure, backwashing water line structure and integral sewage treating tank body, in the integral sewage treating tank body
It is provided with ozone joint H2O2Catalysis oxidation layer 14, ozone decomposition catalyst layer 9 and biologic packing material layer 10, wherein ozone joint H2O2
Catalysis oxidation layer 14 is located at the lower section of ozone decomposition catalyst layer 9, and the top of ozone decomposition catalyst layer 9 is provided with biologic packing material layer
10；Rinsing gas circuit structure includes backwash tracheae 6, and backwashing water line structure includes backwash water inlet pipe 13, ozone joint H2O2Urge
Change and backwash tracheae 6 and backwash water inlet pipe 13 are provided between oxide layer and ozone decomposition catalyst layer, ozone joint H2O2Catalysis
The lower section of oxide layer 14 is provided with H2O2Feed liquor pipe device and ozonation aerated device.Integral sewage treating tank body material is according to contaminant water
Matter characteristic is made from stainless steel or carbon steel material is made, and is fastened by flange install connection between layers, and biology is filled out
The bed of material 10 is on English：Biological aerated filter namely BAF, can be also simply referred to as BAF layers.It is raw
Thing packing layer is built-in to be filled with substantial amounts of biologic packing material, the species selection of biologic packing material to the treatment effeciency of BAF more
It is important, specific surface area, particle size, surface hydrophilicity, surface charge, the table of filler are taken into full account when biologic packing material is selected
The characteristic factors such as surface roughness, density, porosity, determine aufwuch filler growth biofilm biomass number, have an effect on
Hydrodynamics state in BAF.Biologic packing material generally selects plastics, sand, lignite, zeolite, slag, activated carbon, Jiao
Charcoal, haydite and volcanic rock etc., most common of which is haydite and volcanic rock.Ceramics filling is typically to add on a small quantity with coal dust and clay
Pore creating material formed by high temperature sintering.Volcanic filling material is natural filtering material, is formed by artificial sintering crushing, screening.It is biological
Directly bought on the market after filler type selecting.Backwash gas line structure includes backwash tracheae 6 and air blower 5, backwash
Tracheae is provided with the outlet injector head 61 of several opening upwards, and outlet injector head 61 is arranged in integral sewage treating tank body
Ozone decomposition catalyst 9 lower position of layer in portion.Tracheae switch valve 62 is installed on backwash tracheae, recoil can be at any time controlled
The switch of scrubber tube, backwash tracheae 6 uses horizontal spiral distributed architecture in integral sewage treating tank interior part,
The outlet injector head 61 that multiple opening upwards are distributed with is installed on the backwash tracheae 6 of horizontal spiral distributed architecture, improves anti-
Rinse gas effect.Backwash water route assembling structure includes backwash water inlet pipe 13, and being provided with several on backwash water inlet pipe 13 opens
The upward water inlet injector head 63 of mouth, water inlet injector head 63 is arranged on the ozone decomposition catalyst of integral sewage treating tank interior
9 lower position of layer, and in the backwash lower position of tracheae 6.Backwash gas line structure is located on backwashing water line structure
Put place in orientation.Backwash water inlet pipe 13 uses horizontal spiral distributed architecture in integral sewage treating tank interior part,
The water inlet injector head 63 that multiple opening upwards are distributed with is installed on the backwash water inlet pipe 13 of horizontal spiral distributed architecture, is improved
Backwash water inlet effect.Ozone decomposition catalyst layer 9 is respectively equipped with porous support plate 8 in upper end and bottom end.Porous support plate 8
On open up multiple by hole 81, there is provided sewage disposal is flowing from bottom to top, and drainage flow treatment is improved while support
By property；Proper drainage pipeline 12 and the backwash structure of outlet pipeline 11 are installed in the top of biologic packing material layer 10, in sewage
Proper drainage pipeline guide plate 121 and backwash outlet pipeline guide plate are provided with treatment integral type tank interior upper end position
111, wherein the upper end open of proper drainage pipeline guide plate 121 is higher than the backwash upper end open of outlet pipeline 111.H2O2Feed tube
Device includes H2O2Feed tube 15, measuring pump 16 and H2O2Solution storage tank 17, H2O2Set on feed tube and several jet heads are installed
151, several jet heads 151 are distributed in ozone joint H2O2Catalysis oxidation 14 lower position of layer.Ozonation aerated device includes smelly
Oxygengenerating plant 2, water sprayer 3 and ozonation aerated air inlet pipe 32, distributing installation has several to be aerated in ozonation aerated air inlet pipe 32
First 4, the distribution of several aeration heads is arranged on H2O2H in feed liquor pipe device2O2The lower position of feed tube 15, it is ozonation aerated enter
Aeration head 4 on tracheae is located in integral sewage treating tank body at lowest position.H2O2Feed tube 15 in sewage disposal integrally
Formula tank interior part uses horizontal spiral distributed architecture, in the H of horizontal spiral distributed architecture2O2Installed on feed tube 15
The jet head 151 of multiple opening upwards is distributed with, H is improved2O2Feed liquor injection even results in tank body.Ozonation aerated air inlet
Pipe 32 uses horizontal spiral distributed architecture in integral sewage treating tank interior part, in horizontal spiral distributed architecture
The aeration head 4 that multiple opening upwards are distributed with is installed in ozonation aerated air inlet pipe 32, is improved aeration of the pure oxygen source in tank body and is entered
Gas even results, sewage enter the ozone that is produced with ozone generator of water sprayer from sewage water inlet pipe 31 together with pass through aeration head
4 enter tank interior from integral sewage treating tank body inner bottom part.In backwash water inlet pipe 13, backwash tracheae 6, H2O2Feed liquor
Switch control is mounted on the pipeline of pipe 15, ozonation aerated air inlet pipe 32, proper drainage pipeline 12 and backwash outlet pipeline 11
Valve processed 62, improve switch control operations in sewage disposal conveniently, safely, flexibility.Sewage, O3、H2O2By bottom of device
Into H can be controlled by measuring pump according to the water quality characteristicses of different sewage2O2The dosage of solution.
The present invention is provided and still further provides a kind of biological aerated filter sewage treatment processing method, includes following steps
Ozone to entering above-mentioned technical proposal combines H2O2The sewage of catalysis oxidation layer is pre-processed, in carrying out destruction sewage
The organic pollution of difficult for biological degradation, and the step of be translated into biodegradable organic matter；
Sewage to entering the ozone decomposition catalyst layer of above-mentioned technical proposal is further improved its ozone oxidation and is decomposed effect
Rate, it is ensured that do not influence the activity of microorganism normal cleavage because remaining ozone enters into biologic packing material layer, decomposition-reduction is obtained
The step of oxygen that can be utilized by the Institute of Micro-biology in biologic packing material layer；
To flowing to the step of carry out biologic packing material layer in biologic packing material layer on the sewage that is aoxidized by preliminary catalytic；
To the step of isolated normal water quality is discharged after biologic packing material layer biodegradation.
The ozone decomposition catalyst of ozone decomposition catalyst layer is from transition metal oxide or the precious metal of support type
Oxide, carrier selects γ-Al2O3、TiO2、SiO2Or one or more composite parts of molecular sieve.
Ozone combines H2O2The method of catalysis oxidation-biological aerated filter sewage treatment：
Integrated ozone combines H2O2Catalysis oxidation-biological aerated filter sewage treatment technique, first passes through ozone generating-device by O2
It is prepared into O3, ozone is referred to as O3, sewage and O3Enter from bottom of device via aeration head, H2O2Solution is added to by measuring pump
In device, H is combined in ozone2O2In catalysis oxidation layer, O3With H2O2Act synergistically on sewage so that part is poisonous, be difficult by
Biodegradable larger molecular organicses are degraded to biodegradable small organic molecule.O3Activity is high in the environment, easily
Decomposition-reduction is O2, it is ensured that there is the treatment residence time of certain catalysis oxidation, it is ensured that O3Fully reacted with pollutant.Then,
O is flowed on sewage3Decomposition catalyst layer, promotes the O of remnants3Accelerate to decompose, it is to avoid O3Into the BAF layers of degraded of influence microorganism
Activity.Then, BAF layers is flowed on sewage carries out biodegradation, and substantial amounts of biologic packing material, aerobic microbiological are contained within BAF layers
It is attached on filler and grows, dirty organic pollutants is degraded.In O3Decomposition catalyst layer bottom is mounted with backwash
Water pipe and backwash tracheae, periodically BAF layer is backwashed, it is ensured that microbial degradation effect, backwash tracheae except with
Outer in backwash effect, it is BAF layers of supplement O to be additionally operable to2, it is ensured that the dissolved oxygen content in BAF layers is sufficient, it is ensured that aerobic microbiological
Normal activities.
More specifically embodiment is as follows：
As shown in figure 1, biological aerated filter sewage treatment integrated device is alternatively referred to as ozone joint H2O2Catalysis oxidation-aeration life
Thing filter tank integrated apparatus, mainly combine H by ozone2O2Catalysis oxidation layer 14, ozone is referred to as O3, O3Decomposition catalyst layer 9 with
And BAF layers 10 composition, integral sewage treating tank body material is made or carbon steel according to polluted water characteristic from stainless steel
Material is made；It is attached by adpting flange 7 between layers, is conducive to dismounting, facilitates the I＆M of device；In O3Point
The solution bottom of catalyst layer 9 is mounted on porous support plate 8 with BAF layers of 10 bottom, for support O3Decomposition catalyst and biology
Filler.Ozone combines H2O2The height of catalysis oxidation layer 14 is about 2~3m, it is ensured that sewage has enough hydraulic detention times, sewage
Can sufficiently be degraded in catalysis oxidation layer, meanwhile, O3O can be fully reduced to2, it is to avoid O3It is micro- into BAF layers of influence
Biological vital movement.Ozone generating-device 2 is the O in pure oxygen source 12It is converted into O3, sewage and O3It is pre-mixed in water sprayer 3
Afterwards, enter from bottom of device by ozonation aerated first 4, H2O2H in solution storage tank 172O2Solution is by measuring pump 16 also from dress
Bottom set portion enters.O3 decomposition catalysts layer 9 has loaded substantial amounts of O3Decomposition catalyst, filling height is about 0.5~1m, O3Point
The noble heavy metal oxide of the solution optional transition metal oxide of catalyst and support type, transition metal oxide can use Fe2O3、
MnO2、CuO、NiO、Co3O4、TiO2And/or Al2O3Deng, noble heavy metal oxide such as Ru and/or Pd of support type etc., carrier is then
Using γ-Al2O3、TiO2、SiO2And/or one or more composite parts of molecular sieve.Built-in it is filled with substantial amounts of life for BAF layers 10
Thing filler, filling height is about 2~4m, in O39 bottom of decomposition catalyst layer are provided with backwash tracheae 6 and backwash water pipe
13, tracheae 6 is backwashed in addition to playing backwash and acting on, in the case of BAF anoxic, while it is molten to play supplement
Solve the effect of oxygen, it is ensured that the dissolved oxygen in BAF layers 10 is met needed for microbial life activity.Sewage is from proper drainage pipe after treatment
15 discharges, backwashing water is discharged from backwash outlet pipe 11.In O3Decomposition catalyst layer bottom is provided with backwash tracheae and recoil
Wash water pipe, backwashes tracheae in addition to playing backwash and acting on, in the case of BAF anoxic, while playing supplement
The effect of dissolved oxygen, it is ensured that the dissolved oxygen in BAF layers is met needed for microbial life activity.
Embodiment 1
H is combined using ozone2O2Catalysis oxidation-biological aerated filter sewage treatment technique carries out advanced treating to dyeing waste water.
Ozone generating-device 2 is the O in pure oxygen source 12It is converted into O3, sewage and O3After being pre-mixed in water sprayer 3, by ozonation aerated
First 4 enter from bottom of device, H2O2H in solution storage tank 172O2Solution is also entered by measuring pump 16 from bottom of device, smelly
Oxygen combines H2O2In catalysis oxidation layer 14, O3With H2O2Act synergistically on sewage so that part is poisonous, be difficult what is be biodegradable
Larger molecular organicses are degraded to biodegradable small organic molecule.O3Activity is high in the environment, and easy decomposition-reduction is
O2, it is ensured that there is the treatment residence time of certain catalysis oxidation, it is ensured that O3Fully reacted with pollutant.Then, flowed on sewage
O3Decomposition catalyst layer 9, has loaded substantial amounts of O3Decomposition catalyst, filling height is about 0.5 ~ 1m, O3Decomposition catalyst can enter
One step improves O3Oxidability, raising go water removal in hardly degraded organic substance ability, while improve O3Decomposition rate, so as to carry
Device high is to O3Concentration load and impact resistance, O3Decomposition-reduction into O2Can be utilized by microorganism into BAF layers 10.
Then, BAF layers 10 is flowed on sewage carries out biodegradation, and substantial amounts of biologic packing material is contained within BAF layers 10, and aerobic microbiological is attached
And grown on filler, dirty organic pollutants are degraded.In O39 bottom of decomposition catalyst layer are mounted with backwashing water
Pipe 13 and backwash tracheae 6, are periodically backwashed, it is ensured that microbial degradation effect to BAF layers 10, and backwash tracheae 6 is removed
It is outer for backwash effect, it is additionally operable to be BAF layer 10 to supplement O2, it is ensured that the dissolved oxygen content in BAF layers 10 is sufficient, it is ensured that good
The normal activities of oxygen animalcule.
The treatment water of the embodiment is 5m3/ h, the COD contents of phenol wastewater raw sewage are 750~1500mg/L, O3's
Dosage is 1.5mg/L, H2O2Dosage is 30mg/L, O3Combine H in ozone2O2Hydraulic detention time in catalysis oxidation layer 14
About 2h, in O3The hydraulic detention time of decomposition catalyst layer 9 is about 0.5h, and the hydraulic detention time in BAF layers 10 is about
2h, by after advanced oxidation with biodegradable treatment, the COD contents of sewage are 150~300mg/L, and COD clearances reach 80%,
Dyeing waste water combines H by ozone2O2After catalysis oxidation-biological aerated filter sewage treatment PROCESS FOR TREATMENT, not only COD is shown
Degraded is write, and chroma in waste water also makes moderate progress.With single O3Handling process compares, ozone joint H2O2Catalysis oxidation-aeration
Biofilter sewage treatment combination reduces O3Usage amount 1mg/L, the hardly degraded organic substance treatment effect in waste water is obvious.
Embodiment 2
H is combined using ozone2O2Catalysis oxidation-biological aerated filter sewage treatment technique is processed sanitary wastewater.Ozone
Generating means 2 is the O in pure oxygen source 12It is converted into O3, sewage and O3After being pre-mixed in the water sprayer 3, by ozonation aerated first 4 from
Bottom of device enters, H2O2H in solution storage tank 172O2Solution is also entered by measuring pump 16 from bottom of device, in ozone connection
Close H2O2In catalysis oxidation layer 14, O3With H2O2Act synergistically on sewage so that part is poisonous, be difficult to be biodegradable big point
Sub- organic matter is degraded to biodegradable small organic molecule.O3Activity is high in the environment, and easy decomposition-reduction is O2,
Guarantee has the treatment residence time of certain catalysis oxidation, it is ensured that O3Fully reacted with pollutant.Then, O is flowed on sewage3Point
Solution catalyst layer 9, has loaded substantial amounts of O3Decomposition catalyst, filling height is about 0.5~1m, O3Decomposition catalyst can enter one
Step improves O3Oxidability, raising go water removal in hardly degraded organic substance ability, while improve O3Decomposition rate, so as to improve
Device is to O3Concentration load and impact resistance, O3Decomposition-reduction into O2Can be utilized by microorganism into BAF layers 10.Connect
, BAF layers 10 is flowed on sewage carries out biodegradation, substantial amounts of biologic packing material, aerobic microbiological attachment are contained within BAF layers 10
Grown on filler, dirty organic pollutants are degraded.In O39 bottom of decomposition catalyst layer are mounted with to backwash water pipe
13 and backwash tracheae 6, periodically BAF layer 10 is backwashed, it is ensured that microbial degradation effect, backwash tracheae 6 except
Outer for backwash effect, it is BAF layers 10 supplement O to be additionally operable to2, it is ensured that the dissolved oxygen content in BAF layers 10 is sufficient, it is ensured that aerobic
The normal activities of microorganism.
The treatment water of the embodiment is 10m3/ h, the COD contents of raw sewage are 1000~1500mg/L, O3Dosage
It is 2.5mg/L, H2O2Dosage is 50mg/L, O3Combine H in ozone2O2Hydraulic detention time in catalysis oxidation layer 14 is about
2.5h, in O3The hydraulic detention time of decomposition catalyst layer 9 is about 0.5h, and the hydraulic detention time in BAF layers 10 is about 2h,
By after advanced oxidation with biodegradable treatment, the COD contents of sewage are 200~350mg/L, and COD clearances reach 78%, with
Single O3Handling process compares, ozone joint H2O2Catalysis oxidation-biological aerated filter sewage treatment process combination reduces O3
Usage amount 1mg/L, treatment effect is obvious.
The present invention has following beneficial effect
1. the present invention uses process combination mode, realizes that ozone combines H2O2Catalysis oxidation-biological aerated filter process integration.
Single O3Oxidation effectiveness is bad, high cost, by process combination, can promote O3Decompose and produce OH, oxygen of the enhancing to pollutant
Change effect, save O3Dosage.The remarkable advantage of process combination is first to destroy difficult in sewage using advanced catalytic oxidation mode
Biodegradable organic matter, is translated into biodegradable organic matter, recycles biological aerated filter process to carry out it
Biochemical degradation, gives full play to the cooperative effect of advanced catalytic oxidation and BAF so that organic containing difficult for biological degradation
The sewage of thing is effectively processed.
2. H is combined in ozone2O2Catalysis oxidation layer bottom is provided with H2O2Feed tube, O3Aeration head, the water of different sewage
Matter feature, can control H by measuring pump2O2The dosage of solution.
3. the present invention combines H using flange connection to ozone2O2Catalysis oxidation layer, O3Decomposition catalyst layer and BAF
Layer, is attached, and can dismantle at any time, facilitates equipment installation and checkout (EIC), not only contributes to filling and is filled out with more catalyst changeout and biology
Material, is also beneficial to change ozone joint H2O2Aeration head in catalysis oxidation layer.
4. the present invention uses O3The mode of decomposition catalyst further improves O3Oxidation catalysis efficiency, further ensure that O3
Decomposed completely in water, protected the BAF layers of activity of microorganism, increased O3Decomposition catalyst layer, O is promoted by catalyst3
Further decomposition-reduction be O2, it is ensured that without remaining O3The BAF layers of degraded activity of influence aerobic microbiological is entered into, and
Decomposite the O for coming2Can be used by aerobic microbiological.
Above content and structure describes general principle, principal character and the advantages of the present invention of product of the present invention, one's own profession
The technical staff of industry should be recognized that.Merely illustrating the principles of the invention described in examples detailed above and specification, is not departing from this
On the premise of spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements belong to requirement and protect
Within the scope of the invention of shield.The claimed scope of the invention is by appending claims and its equivalent thereof.
Claims (10)
1. a kind of biological aerated filter sewage treatment integrated device, it is characterised in that：Including ozonation aerated device, backwash gas circuit
Structure, backwashing water line structure and integral sewage treating tank body, are provided with ozone joint in the integral sewage treating tank body
H2O2Catalysis oxidation layer, ozone decomposition catalyst layer and biologic packing material layer, wherein ozone joint H2O2Catalysis oxidation layer is located at ozone
The lower section of decomposition catalyst layer, ozone decomposition catalyst layer top is provided with biologic packing material layer；Rinsing gas circuit structure includes backwash
Tracheae, backwashing water line structure includes backwash water inlet pipe, ozone joint H2O2Catalysis oxidation layer and ozone decomposition catalyst layer
Between be provided with backwash tracheae and backwash water inlet pipe, ozone joint H2O2Catalysis oxidation layer lower section is provided with H2O2Feed liquor pipe device and
Ozonation aerated device.
2. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：Described backwash
Gas circuit structure includes backwash tracheae and air blower, and backwash tracheae is provided with the outlet injector head of several opening upwards, goes out
Gas jet head is arranged on the ozone decomposition catalyst layer lower position of integral sewage treating tank interior.
3. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：Described backwash
Water route assembling structure includes backwash water inlet pipe, and backwash water inlet pipe is provided with the water inlet injector head of several opening upwards, water inlet
Injector head is arranged on the ozone decomposition catalyst layer lower position of integral sewage treating tank interior, and in backwash gas
Pipe lower position.
4. according to the biological aerated filter sewage treatment integrated device described in claim 1 or 2 or 3, it is characterised in that：Described
Backwash gas line structure is located at backwashing water line structure top position.
5. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：Described ozone point
Solution catalyst layer is respectively equipped with porous support plate in upper end and bottom end.
6. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：In biologic packing material layer
Top is provided with proper drainage pipeline and backwash outlet pipeline structure, is set at integral sewage treating tank interior upper end position
There are proper drainage pipeline guide plate and backwash outlet pipeline guide plate, wherein proper drainage pipeline guide plate upper end open is higher than
Backwash outlet pipeline upper end open.
7. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：Described H2O2Enter
Liquid pipe device includes H2O2Feed tube, measuring pump and H2O2Solution storage tank, H2O2Feed tube is provided with several jet heads, several
Jet head is distributed in ozone joint H2O2Catalysis oxidation layer lower position.
8. according to the biological aerated filter sewage treatment integrated device described in claim 1, it is characterised in that：Described ozone exposes
Device of air includes ozone generating-device, water sprayer and ozonation aerated air inlet pipe, and several are distributed with ozonation aerated air inlet pipe
Aeration head, several aeration heads distribution is arranged on H2O2H in feed liquor pipe device2O2Feed tube lower position, it is ozonation aerated enter
Aeration head on tracheae is located in integral sewage treating tank body at lowest position.
9. a kind of biological aerated filter sewage treatment processing method, it is characterised in that：Comprise the following steps
To enter claim 1~8 described in one of ozone combine H2O2The sewage of catalysis oxidation layer is pre-processed, and is broken
The organic pollution of difficult for biological degradation in bad sewage, and the step of be translated into biodegradable organic matter；
To enter claim 1~8 described in one of ozone decomposition catalyst layer sewage further improved its ozone oxygen
Change decomposition efficiency, it is ensured that do not influence the activity of microorganism normal cleavage because remaining ozone enters into biologic packing material layer, decompose
The step of reduction obtains the oxygen that can be utilized by the Institute of Micro-biology in biologic packing material layer；
To flowing to the step of carry out biologic packing material layer in biologic packing material layer on the sewage that is aoxidized by preliminary catalytic；
To the step of isolated normal water quality is discharged after biologic packing material layer biodegradation.
10. according to the biological aerated filter sewage treatment processing method described in claim 9, it is characterised in that：The ozone point
The ozone decomposition catalyst of catalyst layer is solved from transition metal oxide or the noble heavy metal oxide of support type, carrier is selected
γ-Al2O3、TiO2、SiO2Or one or more composite parts of molecular sieve.
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| CN108975642A (en) * | 2018-09-28 | 2018-12-11 | 南京理工大学泰州科技学院 | Integrated ozone catalysis oxidation-biological aerated filter |
| CN108975643A (en) * | 2018-09-28 | 2018-12-11 | 南京理工大学泰州科技学院 | Integral type waste water of livestock poultry advanced treatment apparatus |
| CN109502742A (en) * | 2018-12-21 | 2019-03-22 | 安徽普氏生态环境工程有限公司 | A kind of gas stripping type back purge system and method |
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