CN103359885A - Double-membrane wastewater biological treatment system - Google Patents
Double-membrane wastewater biological treatment system Download PDFInfo
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- CN103359885A CN103359885A CN2013103231770A CN201310323177A CN103359885A CN 103359885 A CN103359885 A CN 103359885A CN 2013103231770 A CN2013103231770 A CN 2013103231770A CN 201310323177 A CN201310323177 A CN 201310323177A CN 103359885 A CN103359885 A CN 103359885A
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- waste water
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- 239000012528 membrane Substances 0.000 title claims abstract description 41
- 239000002351 wastewater Substances 0.000 title claims abstract description 36
- 238000011282 treatment Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 10
- 230000000813 microbial effect Effects 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000012549 training Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000011449 brick Substances 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000003307 slaughter Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 239000010802 sludge Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development 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
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- -1 haydite Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a double-membrane wastewater biological treatment system. The double-membrane wastewater biological treatment system comprises a pool (case) body, a pretreatment zone, a biomembrane reaction zone and a membrane separation reaction zone; and all the above zones are separated through a wall or a separator to form respectively independent work systems, relevant zones are communicated through water flowing ports, a high pressure fan, a membrane water outlet pump and an ultraviolet ray disinfection instrument are arranged outside the pool (case) body, and water discharged from a membrane assembly is pumped into the ultraviolet ray disinfection instrument through the membrane water outlet pump, is disinfected and is discharged outside. The wastewater biological treatment system has the advantages of simple technological structure, good treatment effect, stable running and wide application range, is suitable for the low-concentration organic sewage treatment in hospitals, health centers, rural, the country and towns, and is also suitable for the high-concentration organic wastewater treatment in the industries of bave wastewater, slaughtering wastewater, food processing and the like, so treated water reaches recycled water reuse standards, accords with Chinese energy saving, emission reduction and circular economy policies, and the system can well play an important role in the public campaigns of Wild China, Urban and Rural Cleaning at present, and has large social and economic benefits.
Description
Technical field
The invention belongs to technical field of sewage, relate to a kind of dual-membrane type biological treatment of waste water system so that pretreating zone-biomembrane reaction district-film separation reaction district-ultraviolet ray sterilizer is consisted of.
Background technology
Known membrane bioreactor wastewater processing technology, English " MBR " technology that is called for short, in recent years from a kind of advanced technologies that is widely used in treatment of Organic Wastewater of external introduction, this membrane bioreactor generally adopts active sludge+hollow-fibre membrane to combine, it is monofilm formula biological reaction process, because this technical process is simple, treatment effect is good, retaining power is strong, effluent quality is excellent, well applied at home and tremendous development, but this technique is because membrane module and waste water are in same working cell, mix with sewage sludge, along with the membrane sepn process is carried out, the microorganism that tunicle is retained down in the waste water, pollutent, suspended substance increases gradually, and activated sludge process is because response procedures is too simple, the oxygen transformation efficiency is low, the biochemical treatment ability, organic pollutant in the sewage effectively can't be dissolved removal, cause sludge concentration constantly to increase, and the long-term dip of film fiber tube is in this high density, in the waste water of high pollution, be easy to be subject to polluting the obstruction that causes film, have a strong impact on working efficiency and the work-ing life of membrane module.For this reason, the inventor has proposed a utility model patent: a kind of Double-film type water treatment technical apparatus, Chinese patent ZL200720156269.4.This patent is that technology of biological membrane replaces activated sludge process with immobilized microorganisms, defective and the deficiency of above-mentioned technique are well solved, this patent process unit is mainly by casing, the microbial film filtering layer, membrane module, go out water pump, the formations such as ultraviolet ray sterilizer, the microbial film filtering layer is by zeolite, haydite, coke, the multiple concrete dynamic modulus filtrate such as gac forms, cultivate to form microbial film through biotechnology again, physics by the microbial film filtering layer cuts dirty and biological adsorption is dissolved, water outlet effluxes or reuse after by the ultraviolet ray sterilizer sterilization, in the above-mentioned patented invention of the inventor, although adopt immobilized microorganisms to replace the conventional activated sludge method, processing efficiency and film are improved work-ing life and improve, but microbial film filtering layer and membrane module still are in same Working environment in the above-mentioned patented technology of the inventor, biological respinse and film separation reaction fail effectively to separate, the mud that produces in the bioprocesses on the one hand, do not dissolve the impurity such as organism and still can enter the reaction process that participates in film in the membrane module, pollutent under membrane module is held back is also constantly built up on the other hand, water quality constantly worsens, have influence on the most at last the safety of film operation with stable, this situation is in the drinking water source, in the processing of the low concentration such as sanitary sewage and hospital sewage sewage, detrimentally affect to membrane module is less, membrane module is for the use range of its setting with still can work in the time limit, but for such as slaughterhouse wastewater, food processing wastewater, silk waste water isoconcentration is higher, the organic waste water that water quality is more complicated is administered, detrimentally affect to the film operation is just comparatively serious, thereby above-mentioned patented technology still exists certain limitation and weak point in the application of wastewater treatment.
Summary of the invention
The objective of the invention is for solving the above the deficiencies in the prior art, provide that a kind of use range is wider, the better a kind of dual-membrane type biological treatment of waste water system for the treatment of effect.
The present invention is achieved in that
A kind of dual-membrane type biological treatment of waste water system, it is characterized in that: comprise pond (case) body, pretreating zone, biomembrane reaction district, film separation reaction district, open by body of wall or baffle for separating between each interval, form separately independently work system, this safeguards that for building good wastewater treatment environment the security of film unit operation, stability play an important role.Pretreating zone is provided with water intake, training wall, crosses the mouth of a river, waste water is finished a series of Biological Pretreatment processes such as the water yield is regulated, water quality is integrated, double oxygen, anaerobism under the drainage of training wall, macrobead in the waste water, larger molecular organics can be dissolved at this preprocessing process and to be small-particle, small organic molecule, the indissoluble hardly degraded organic substance is converted into easy molten easily biodegradable organics, improved to a great extent the biodegradability of waste water, simultaneously CODcr, the BOD in the waste water
5, NH
3-N etc. obtain very large elimination, effectively alleviated pollutant load, for next step biological respinse makes up good basis, be provided with biofilm carrier in the biomembrane reaction district, the bottom is provided with microporous aeration device, the high pressure positive blower external by the pond carries out aeration aerating, biofilm carrier adopts specific surface area large, the fibrous biologic packing material that the solid granular biologic packing material that porosity is high or employing specific surface area are large consists of, form microbial film through the biology cultivation at carrier, top, biomembrane reaction district also is provided with the film district and crosses the mouth of a river and stainless (steel) wire grid, prevent that larger particles organism and the suspending sundries of failing to dissolve fully in the biomembrane reaction district from entering the film separation reaction district, device has one or more sets film units in the film separation reaction district, the film unit is by hollow fiber film assembly, or by the micropore plate film assembly, or consisted of by micropore garden cylinder membrane module, in the middle of film unit bottom and each film spare, boring aeration pipe is housed, by the external high pressure positive blower ventilation aeration in pond, to carrying out the gas phase recoil in the film spare, prevention film through hole contamination and plugging, also carry out simultaneously the strong stirring of washing away in the membrane module outside, prevent the mud accumulation, waste water and active sludge are fully mixed, by the reflux in the film separation reaction district, the pretreating zone re-treatment is returned in backflow, cut dirty and dense water through the net grid, sludge reflux, play and eliminate the mud accumulation, optimize the effect of film separation reaction district Working environment, guarantee membrane module Operation safety and stability, further improve the treatment effect of waste water.The film separation reaction district also is provided with overflow port, surplus valve, body top, pond is provided with transom, so that the waste gas in reaction process outwards discharges, the pond external body also is provided with film and goes out water pump, ultraviolet ray sterilizer, go out by film and to efflux after water pump pumps to ultraviolet ray sterilizer sterilization with the water outlet of film unit, and the surplus valve that is contained on the overflow port is also connected ultraviolet ray sterilizer, break down in system, overhaul of the equipments, in the time of need directly discharging from overflow port under the special emergency condition such as material replacing, can open surplus valve, make from the overflow port water outlet after the ultraviolet ray sterilizer sterilization, to efflux.
Major advantage of the present invention is:
The present invention is applicable to various treatment of Organic Wastewater, technical process is simple, easy to operate, processing power strong, applied range, long service life, operating safety are stablized, result of use is good, water outlet reaches middle water reuse standard after processing, meet national energy-saving reduction of discharging, circular economy policy, in whole people's activity in current " beautiful China, cleaning town and country ", more can bring into play its vital role, obtain larger social and economic benefits.
Description of drawings
Accompanying drawing is structural representation of the present invention.
Identify among the figure: 1-pond (case) body, 2-pre-reaction zone, 3-biomembrane reaction district, 4-film separation reaction district, the 5-water intake, the 6-training wall, 7-crosses the mouth of a river, the 8-biofilm carrier, the 9-microporous aeration device, the mouth of a river is crossed in 10-film district, 11-stainless (steel) wire grid, 12-membrane module, 13-boring aeration pipe, the 14-reflux, 15-overflow port, 16-surplus valve, 17-transom, 18-high pressure positive blower, the 19-film goes out water pump, the 20-ultraviolet ray sterilizer.
Embodiment
As shown in the figure, a kind of dual-membrane type biological treatment of waste water system comprises pond (case) body 1, pretreating zone 2, biomembrane reaction district 3, film separation reaction district 4; Be provided with water intake 5, training wall 6 in the pretreating zone 2, cross the mouth of a river 7; Be provided with in the biomembrane reaction district 3 that biofilm carrier 8, bottom are provided with microporous aeration device 9, top is provided with the film district and crosses the mouth of a river 10, stainless (steel) wire grid 11; Be provided with membrane module 12, membrane module 12 centres and bottom in the film separation reaction district 4 and be provided with boring aeration pipe 13, reflux 14, overflow port 15, surplus valve 16; Pond body 1 is positioned at biomembrane reaction district 3, top, 4 position, film separation reaction district and is respectively arranged with that transom 17, pond body 1 are outside equipped with high pressure positive blower 18, film goes out water pump 19, ultraviolet ray sterilizer 20.
Waste water enters system's pretreating zone 2 from water-in 5, under the drainage of training wall 6, finish the water yield, the adjusting of water quality, integrate and double oxygen-anaerobe preprocessing process, make macrobead in the waste water, larger molecular organics is dissolved and is small-particle, small organic molecule, the indissoluble hardly degraded organic substance is converted into easy molten easily biodegradable organics, largely improve wastewater biodegradability, for next step biological respinse makes up good basis, water outlet through Biological Pretreatment enters biological membrane biological reaction zone 3 from crossing the mouth of a river 7, open simultaneously high pressure positive blower 18, carry out aeration aerating by the 9 pairs of bio-carriers of microporous aeration device 8 that are arranged on 3 bottoms, biomembrane reaction district, bio-carrier 8 adopts porosity high, the solid granular biofilter material that specific surface area is large or the large fibrous biologic packing material of employing specific surface area, organic pollution materials in the energy active adsorption sewage, form microbial film at bio-carrier 8 gradually through the biology cultivation, microbial film adsorbs the organic pollution materials in the waste water, dissolve, in the situation that improves aeration intensity, can accelerate the biomembranous ability of dissolving, control to a certain extent generation and the deposition of excess sludge.Water outlet after biomembrane reaction is processed, cross the mouth of a river 10 from the film district and enter film separation reaction district 4, carrying out membrane sepn filters, cross 10 places, the mouth of a river in the film district, device has stainless steel aperture plate 11, cut suspending sundries in the waste water in order to the hurdle, prevent from entering film separation reaction district 4, cause water quality deterioration, film separation reaction district 4 is equipped with film unit 12, in the middle of each film spare of film unit 12 belows and film unit 12 boring aeration pipe 13 is installed, by the strong air flow that boring aeration pipe 13 produces, the film unit is carried out flush clean, prevent the mud accumulation, simultaneously again to carrying out the gas phase recoil in the film spare, prevention film through hole contamination and plugging.(case) body 1 is positioned at the mid-way on biomembrane reaction district 3 and 4 tops, film separation reaction district in the pond, is provided with separately transom 17, in order to the waste gas that produces in the reaction process is outwards discharged.Be installed on the reflux 14 in film separation reaction district 4, with dense water and mud after membrane sepn filters, reflux and return pretreating zone 2 repetition biochemical treatments, play the removing deposition, build the good Working environment of membrane module, improve the effect of water treatment effect.Go out and efflux after water pump 19 pumps to outer ultraviolet ray sterilizer 20 sterilizations of pond (case) body 1 with 12 water outlets of film unit by being installed on the outer film of pond (case) body 1, and the surplus valve 16 that is arranged at film separation reaction district 4 is also connected with ultraviolet ray sterilizer 20, need from overflow port 15 directly during discharging when the special emergency condition such as system breaks down, internal overhaul, material replacing, can open surplus valve 16, water outlet is effluxed after ultraviolet ray sterilizer 20 sterilizations.
Implement in the multinomial waste water treatment engineering of the different industries different qualities such as above-mentioned Waste Water Treatment relates to life, medical treatment in Guangxi, butchers, silk, food-processing, all obtain satisfied treatment effect, and all passed through the environmental protection facility acceptance of work of local environmental administration.
Claims (5)
1. a dual-membrane type biological treatment of waste water system is characterized in that: comprise pond (case) body (1), pretreating zone (2), biomembrane reaction district (3), film separation reaction district (4); Pretreating zone (2) is provided with water intake (5), training wall (6), crosses the mouth of a river (7); Biomembrane reaction district (3) is provided with that biofilm carrier (8), bottom are provided with microporous aeration device (9), top is provided with the film district and crosses the mouth of a river (10), stainless (steel) wire grid (11); Film separation reaction district (4) is provided with film unit (12), boring aeration pipe (13), reflux (14), overflow port (15), surplus valve (16); Pond (case) body (1) top is provided with transom window (17) outer setting has high pressure positive blower (18), film to go out water pump (19), ultraviolet ray sterilizer (20); Film goes out water pump (19) water outlet and ultraviolet ray sterilizer (20) is connected, go out water pump (19) by film film unit (12) water outlet is drawn into the rear discharging of ultraviolet ray sterilizer (20) sterilization, simultaneously surplus valve (16) is also connected with ultraviolet ray sterilizer (20), also effluxes behind disinfection by ultraviolet light from the water outlet of surplus valve (16).
2. a kind of dual-membrane type biological treatment of waste water system according to claim 1, it is characterized in that: described pond (case) body (1), for the glass reinforced plastic casing or be steel plate welding box body or for the mixed pond of brick building, can be set to integral type, split type or buried.
3. a kind of dual-membrane type biological treatment of waste water system according to claim 1, it is characterized in that: described biofilm carrier (8), be to consist of by the solid granular biologic packing material that concrete dynamic modulus, bigger serface are arranged or by fibrous biologic packing material, cultivate at biofilm carrier by biotechnology and form microbial film.
4. a kind of dual-membrane type biological treatment of waste water system according to claim 1, it is characterized in that: described film unit (12) is by tubular fibre tubular type film, or by the micropore flat sheet membrane, or consisted of by micropore garden cylinder film, in the middle of the film spare and film unit bottom is provided with boring aeration pipe.
5. a kind of dual-membrane type biological treatment of waste water system according to claim 1, it is characterized in that: described boring aeration pipe is plastics tubing, steel pipe or stainless steel tube.
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| CN2013103231770A CN103359885A (en) | 2013-07-30 | 2013-07-30 | Double-membrane wastewater biological treatment system |
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| CN2013103231770A CN103359885A (en) | 2013-07-30 | 2013-07-30 | Double-membrane wastewater biological treatment system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708687A (en) * | 2014-01-21 | 2014-04-09 | 厦门市威士邦膜科技有限公司 | Combined type intelligent film technique sewage treatment equipment and process |
| CN103922473A (en) * | 2014-04-22 | 2014-07-16 | 昆明金泽实业有限公司 | Anaerobic and aerobiotic circular integration waste water treatment device with low energy consumption |
| CN106186543A (en) * | 2016-08-17 | 2016-12-07 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type solar energy sewage-treatment plant and technique thereof |
| CN106219865A (en) * | 2016-07-24 | 2016-12-14 | 成都育芽科技有限公司 | A kind of dual-membrane type biological treatment device for petro-chemical waste water treatment |
| CN106242164A (en) * | 2016-08-17 | 2016-12-21 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type biological treatment device |
| CN106242165A (en) * | 2016-08-17 | 2016-12-21 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type modularity sewage treatment process |
| CN107381792A (en) * | 2017-07-21 | 2017-11-24 | 博天环境集团股份有限公司 | A kind of double self-loopa integration MBR reactors |
| CN109052786A (en) * | 2018-09-07 | 2018-12-21 | 唐山冀油瑞丰化工有限公司 | A kind of dual-membrane type biological treatment device for petro-chemical waste water treatment |
| CN109179641A (en) * | 2018-11-02 | 2019-01-11 | 上海蓝科石化环保科技股份有限公司 | A kind of the biological denitrificaion processing unit and technique of waste water |
| CN111439838A (en) * | 2020-04-03 | 2020-07-24 | 广西国宏智鸿环保科技集团有限公司 | Sewage treatment method and sewage treatment system of combined dynamic membrane bioreactor |
| CN113233595A (en) * | 2021-05-17 | 2021-08-10 | 北京水研环境科技股份有限公司 | Multi-style MBR (Membrane Bio-reactor) membrane purification system applied to domestic sewage |
| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708687A (en) * | 2014-01-21 | 2014-04-09 | 厦门市威士邦膜科技有限公司 | Combined type intelligent film technique sewage treatment equipment and process |
| CN103922473A (en) * | 2014-04-22 | 2014-07-16 | 昆明金泽实业有限公司 | Anaerobic and aerobiotic circular integration waste water treatment device with low energy consumption |
| CN103922473B (en) * | 2014-04-22 | 2015-09-23 | 昆明金泽实业有限公司 | A kind of anaerobism of less energy-consumption and aerobic circular integration wastewater treatment equipment |
| CN106219865A (en) * | 2016-07-24 | 2016-12-14 | 成都育芽科技有限公司 | A kind of dual-membrane type biological treatment device for petro-chemical waste water treatment |
| CN106242165A (en) * | 2016-08-17 | 2016-12-21 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type modularity sewage treatment process |
| CN106242164A (en) * | 2016-08-17 | 2016-12-21 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type biological treatment device |
| CN106186543A (en) * | 2016-08-17 | 2016-12-07 | 广西国宏智鸿环境科技发展有限公司 | A kind of dual-membrane type solar energy sewage-treatment plant and technique thereof |
| CN106186543B (en) * | 2016-08-17 | 2019-04-23 | 广西国宏智鸿环境科技发展有限公司 | A double-film type solar energy sewage treatment device and process thereof |
| CN107381792A (en) * | 2017-07-21 | 2017-11-24 | 博天环境集团股份有限公司 | A kind of double self-loopa integration MBR reactors |
| CN107381792B (en) * | 2017-07-21 | 2020-06-19 | 博天环境集团股份有限公司 | Double-self-circulation integrated MBR (membrane bioreactor) |
| CN109052786A (en) * | 2018-09-07 | 2018-12-21 | 唐山冀油瑞丰化工有限公司 | A kind of dual-membrane type biological treatment device for petro-chemical waste water treatment |
| CN109179641A (en) * | 2018-11-02 | 2019-01-11 | 上海蓝科石化环保科技股份有限公司 | A kind of the biological denitrificaion processing unit and technique of waste water |
| CN111439838A (en) * | 2020-04-03 | 2020-07-24 | 广西国宏智鸿环保科技集团有限公司 | Sewage treatment method and sewage treatment system of combined dynamic membrane bioreactor |
| CN113233595A (en) * | 2021-05-17 | 2021-08-10 | 北京水研环境科技股份有限公司 | Multi-style MBR (Membrane Bio-reactor) membrane purification system applied to domestic sewage |
| CN113666489A (en) * | 2021-09-08 | 2021-11-19 | 天津大学 | Integrated sewage treatment reactor |
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Application publication date: 20131023 |