CN105858888A - Biological phosphorus and nitrogen removal device based on AAO technology - Google Patents
Biological phosphorus and nitrogen removal device based on AAO technology Download PDFInfo
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- CN105858888A CN105858888A CN201610265791.XA CN201610265791A CN105858888A CN 105858888 A CN105858888 A CN 105858888A CN 201610265791 A CN201610265791 A CN 201610265791A CN 105858888 A CN105858888 A CN 105858888A
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 11
- 229910052698 phosphorus Inorganic materials 0.000 title abstract description 11
- 239000011574 phosphorus Substances 0.000 title abstract description 11
- 238000005516 engineering process Methods 0.000 title description 4
- 239000010802 sludge Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000008021 deposition Effects 0.000 claims description 22
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 24
- 229910052799 carbon Inorganic materials 0.000 abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 22
- 238000004062 sedimentation Methods 0.000 abstract description 12
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 241000894006 Bacteria Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229920000137 polyphosphoric acid Polymers 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 206010002660 Anoxia Diseases 0.000 description 2
- 241000976983 Anoxia Species 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 230000007953 anoxia Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 description 2
- 230000003834 intracellular effect Effects 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/166—Nitrites
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a biological phosphorus and nitrogen removal device based on an AAO (anaerobic-anoxic-oxic) process, which belongs to the technical field of sewage treatment, and comprises a main body structure, a main body structure and a secondary sedimentation tank, wherein the main body structure comprises an anaerobic zone, an underwater stirrer, an inclined plate sedimentation zone, an anoxic zone, an aerobic zone, a secondary sedimentation tank, a sludge reflux system and an inclined plate; the tail end of the anaerobic zone is provided with an inclined plate sedimentation zone, the bottom of the inclined plate sedimentation zone is communicated with the anaerobic zone in a butt joint mode, a submerged stirrer is arranged in the anaerobic zone and is arranged at the bottom end below the inclined plate sedimentation zone, the anaerobic zone, the anoxic zone, the aerobic zone and a secondary sedimentation tank are communicated in sequence through pipelines, the secondary sedimentation tank is communicated with the anaerobic zone through a sludge backflow system, sludge mixed liquid at the tail end of the anaerobic zone is precipitated and shunted by the inclined plate sedimentation zone, precipitated sludge returns to the anaerobic zone, 30-60 inclined plates are arranged in the inclined plate sedimentation zone in parallel mode at intervals in sequence, and the included angle formed by the inclined plates inclining to the vertical axis ranges from 55 degrees to 65 degrees. The main body structure is simple, the dephosphorization and denitrification efficiency is high, the energy consumption is low, no additional carbon source is needed, the sewage treatment cost is low, and the application environment is friendly.
Description
Technical field:
The invention belongs to technical field of sewage, be specifically related in a kind of sewage treatment project based on AAO work
The biological phosphate-eliminating nitrogen rejection facility of skill, arranges sloping plate deposition district, it is achieved carbon source exists between anaerobic zone and anoxic zone
The reasonable disposition of anaerobic zone, anoxic zone and aerobic zone.
Background technology:
In sewage treatment project, anaerobic-anoxic-oxic (being called for short AAO) is that the dephosphorization that has generally used takes off
The sewage treatment process of nitrogen performance, the mechanism of biological phosphate-eliminating denitrogenation is to release phosphorus accumulation under polyP bacteria anaerobic state
PHB, utilizes PHB excess to inhale phosphorus under good oxygen condition, under anoxia condition, denitrifying bacteria utilizes little molecule carbon source to incite somebody to action
Nitrate, Nitrite transformation are nitrogen, it is achieved denitrification denitrogenation, but in actual sewage processes engineering,
There is carbon source deficiency and cause nitric efficiency to reduce in denitrification denitrogenation process, it is difficult to realizes up to standard the asking of water outlet total nitrogen
Topic.In order to overcome the problem that in decarbonizing process, carbon source is not enough, Chinese patent CN201510589716 discloses use
The method that LDHs carries out biological denitrification denitrogenation as slow release carbon source, Ac-LDHS is as slow-release carbon source material in employing,
The release of carbon source is controlled, it is achieved supplementing of saprobia denitrification denitrogenation process carbon source by Ac-LDHS.In
State's patent CN201410137043.4 discloses a kind of novel trans nitrification solid polymer carbon source, and it has carrier
With the double grading of slow release carbon source, this carbon source is filled into denitrification efficiency in packed bed reactor and reaches 91.97%.
Existing technology is all from extraneous supplementary carbon source, not only adds operation cost and the sewage disposal of sewage disposal
Organic loading, and the consumption being difficult to control to carbon source during adding cause system operation troubles or produce two
Secondary pollution problem.Chinese patent CN201010209203.3 discloses a kind of aerobic-anaerobic-anaerobism integration module
Formula fast denitrogenation reactor, although make sewage be in aerobic, anoxia all the time, detest by the design of reasonable mechanism
In oxygen environment alternately, it is achieved organic carbon source is reasonable disposition during whole, it is to avoid carry out device additionally
Adding carbon source, but apparatus structure is complicated, cost of manufacture is high, and sewage treatment capacity is little, is not suitable for promoting
Application.
Summary of the invention:
It is an object of the invention to the shortcoming overcoming prior art to exist, seek design a kind of based on AAO technique
Biological phosphate-eliminating nitrogen rejection facility, it is possible to make full use of sewage self carbon source and reinforced anaerobic release the technique of phosphorus, solve
The problem that certainly during existing AAO technique denitrification, carbon source deficiency needs extra supplementary carbon source.
To achieve these goals, the master of the biological phosphate-eliminating nitrogen rejection facility based on AAO technique that the present invention relates to
Body structure includes anaerobic zone, stirring in slurry device, sloping plate deposition district, anoxic zone, aerobic zone, second pond, dirt
Mud return-flow system and swash plate；Anaerobic zone end arranges sloping plate deposition district, with anaerobic zone pair bottom sloping plate deposition district
Lead in succession, in stirring in slurry device is placed in anaerobic zone and in the bottom, underface in sloping plate deposition district, anaerobic zone, lack
Oxygen district, aerobic zone and second pond are arranged in order layout pipeline communication, and second pond is by having function of increasing pressure
Sludge recirculation system connects with anaerobic zone, and the mud mixed liquid of anaerobic zone end is precipitated shunting by sloping plate deposition district,
Precipitating sludge is back to anaerobic zone, and in sloping plate deposition district, run-in index is provided with 30-60 sheet swash plate the most separately,
Angle between swash plate and vertical line is 55-65 degree.
The biological phosphate-eliminating denitrogenation that realizes that the present invention relates to is embodied as technical process and is:
(1) sewage entrance anaerobic zone is mixed into mud mixed liquid with the activated sludge of sludge recirculation system backflow,
The Organic substance in degraded sewage under the effect of polyphosphoric acid bacterium in activated sludge, and discharge orthophosphate；
(2) mud mixed liquid in anaerobic zone realizes mud-water separation when flowing through sloping plate deposition district, and mud is precipitated
After getting off, under the promotion of stirring in slurry device, precipitating sludge returns in anaerobic zone, makes the mud in anaerobic zone
Concentration reaches 6000-10000mg/L, possesses degree of depth anaerobic condition, makes the larger molecular organics in sewage obtain
Hydrolysis acidification more fully, simultaneously reinforcement sludge self hydrolysis, so that anaerobic zone water outlet small molecular is organic
The content of thing improves 30%-50%, and the water outlet of anaerobic zone and unnecessary mud enter anoxic zone with mixed liquor；
(3) denitrifying bacteria in anoxic zone utilizes Organic substance to be changed into by nitrate from waste water as carbon source
Nitrogen, reduces the BOD of sewage5, COD and nitrogen content, anoxic zone water outlet enters aerobic zone；
(4) phosphorus in aerobic zone polyphosphoric acid bacterium picked-up sewage is synthesized Quadrafos and is stored in intracellular,
Completing dephosphorization process, the activated sludge in aerobic zone is refluxed by sludge recirculation system via after sedimentation in secondary sedimentation tank
Water inlet end to anaerobic zone, it is achieved circulating dephosphorization denitrogenation function.
The present invention arranges sloping plate deposition region on the basis of AAO technique between anaerobism, double oxygen, makes anaerobism
District forms high sludge concentration region, local, and sludge concentration reaches 6000-10000mg/L, more dirty than conventional AAO technique
Mud concentration 3000-5000mg/L improves 1 times, and sludge retention time extends 1 times, higher sludge concentration energy
The degree of depth anaerobic phosphorus release of enough reinforced anaerobic districts mud, makes biological phosphor-removing effect carry on the basis of original common process
High by 20%；The high concentration sludge of anaerobic zone reaches the condition of degree of depth anaerobism, makes the larger molecular organics in sewage obtain
To hydrolysis acidification more fully, reinforcement sludge self hydrolyzes, so that anaerobic zone water outlet small molecular Organic substance
Content improve 30-50%, for anoxic zone denitrification denitrogenation provide abundance little molecule carbon source；Sink at swash plate
Under the effect in shallow lake district, it is achieved the anaerobic zone of high sludge concentration (concentration about 6000-10000mg/L) is dirty with routine
The anoxic zone of mud concentration (concentration about 3000-5000mg/L), the sludge balance in aerobic interval.The present invention is with existing
Having technology to compare, its agent structure is simple, and dephosphorization removing nitric efficiency is high, energy consumption is low, it is not necessary to additional carbon, dirty
Cost of water treatment is low, and applied environment is friendly.
Accompanying drawing illustrates:
Fig. 1 is the biological phosphate-eliminating nitrogen rejection facility structural principle schematic diagram based on AAO technique that the present invention relates to.
Detailed description of the invention:
Below by the drawings and specific embodiments, the present invention will be further described:
Embodiment 1:
The biological phosphate-eliminating nitrogen rejection facility agent structure based on AAO technique that the present embodiment relates to include anaerobic zone 1,
Stirring in slurry device 2, sloping plate deposition district 3, anoxic zone 4, aerobic zone 5, second pond 6, sludge recirculation system 7
With swash plate 8；Anaerobic zone 1 end arranges sloping plate deposition district 3, docks with anaerobic zone 1 bottom sloping plate deposition district 3
Connection, in stirring in slurry device 2 is placed in anaerobic zone 1 and in the bottom, underface in sloping plate deposition district 3, anaerobic zone 1,
Anoxic zone 4, aerobic zone 5 and second pond 6 are arranged in order layout pipeline communication, and second pond 6 is by having increasing
The sludge recirculation system 7 of pressure function connects with anaerobic zone 1, and sloping plate deposition district 3 is by the dirt of anaerobic zone 1 end
The precipitation shunting of mud mixed liquor, precipitating sludge is back to anaerobic zone 1, the most parallel in sloping plate deposition district 3
Formula is provided with 30-60 sheet swash plate 8, swash plate 8 with vertical between angle be 55-65 degree.
What the present embodiment related to realize biological phosphate-eliminating denitrogenation is embodied as technical process and is:
(1) sewage enters the activated sludge that refluxes with sludge recirculation system 7 of anaerobic zone 1 and is mixed into mud and mixes
Liquid, the Organic substance in sewage of degrading under the effect of polyphosphoric acid bacterium in activated sludge, and discharge orthophosphate；
(2) mud mixed liquid in anaerobic zone 1 realizes mud-water separation, mud quilt when flowing through sloping plate deposition district 3
After precipitating, under the promotion of stirring in slurry device 2, precipitating sludge returns to, in anaerobic zone 1, make anaerobic zone 1
In sludge concentration reach 6000-10000mg/L, possess degree of depth anaerobic condition, make the macromole in sewage have
Machine thing obtains hydrolysis acidification more fully, simultaneously reinforcement sludge self hydrolysis, so that in the water outlet of anaerobic zone 1
The content of small organic molecule improves 30%-50%, and the water outlet of anaerobic zone 1 enters with mixed liquor with unnecessary mud
Anoxic zone 4；
(3) denitrifying bacteria in anoxic zone 4 utilizes Organic substance to be converted by nitrate from waste water as carbon source
Become nitrogen, reduce the BOD of sewage5, COD and nitrogen content, anoxic zone 4 water outlet enters aerobic zone 5；
(4) phosphorus in aerobic zone 5 polyphosphoric acid bacterium picked-up sewage is synthesized Quadrafos and is stored in intracellular,
Completing dephosphorization process, the activated sludge in aerobic zone 5 passes through sludge recirculation system 7 after precipitating via second pond 6
It is back to the water inlet end of anaerobic zone 1, it is achieved circulating dephosphorization denitrogenation function.
Embodiment 2:
It is 800mg/L, BOD that the present embodiment processes COD5For 350mg/L, total phosphorus is the sewage of 8.5mg/L,
When using conventional AAO technique, if sludge concentration is 3500mg/L, then anaerobic effluent COD reduces to 650mg/L,
BOD5Reducing to 300mg/L, 1.8mg/L is down to by outputted aerobic water total phosphorus；The employing present invention's is based on AAO technique
During biological phosphate-eliminating denitrification process, sludge concentration raising is down to 550mg/L to 7000mg/L, anaerobic effluent COD,
BOD5For 400mg/L, more COD degradation is biochemical small organic molecule, anaerobic effluent BOD5Than often
Rule technique improves 33.3%, and 1.4mg/L is down to by outputted aerobic water total phosphorus, and total tp removal rate carries the most again
High by 22%, water outlet total nitrogen is up to standard, reaches the dephosphorization and denitrification effect of design.
Claims (1)
1. a biological phosphate-eliminating nitrogen rejection facility based on AAO technique, it is characterised in that its agent structure includes detesting
Oxygen district, stirring in slurry device, sloping plate deposition district, anoxic zone, aerobic zone, second pond, sludge recirculation system and
Swash plate；Anaerobic zone end arranges sloping plate deposition district, is docked and connected with anaerobic zone, under liquid bottom sloping plate deposition district
In agitator is placed in anaerobic zone and in the bottom, underface in sloping plate deposition district, anaerobic zone, anoxic zone, aerobic zone
Being arranged in order layout pipeline communication with second pond, second pond is by having the sludge recirculation system of function of increasing pressure
Connecting with anaerobic zone, the mud mixed liquid of anaerobic zone end is precipitated shunting by sloping plate deposition district, and precipitating sludge returns
Being back to anaerobic zone, in sloping plate deposition district, run-in index is provided with 30-60 sheet swash plate the most separately, and swash plate is with vertical
Angle between straight line is 55-65 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265791.XA CN105858888A (en) | 2016-04-26 | 2016-04-26 | Biological phosphorus and nitrogen removal device based on AAO technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265791.XA CN105858888A (en) | 2016-04-26 | 2016-04-26 | Biological phosphorus and nitrogen removal device based on AAO technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105858888A true CN105858888A (en) | 2016-08-17 |
Family
ID=56628409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610265791.XA Pending CN105858888A (en) | 2016-04-26 | 2016-04-26 | Biological phosphorus and nitrogen removal device based on AAO technology |
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| Country | Link |
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| CN (1) | CN105858888A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809566A (en) * | 2019-04-09 | 2019-05-28 | 沈阳环境科学研究院 | A kind of AAO biological reaction pool of branch water inlet |
| CN111908735A (en) * | 2020-08-28 | 2020-11-10 | 桂林理工大学 | AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation |
| CN116730498A (en) * | 2023-06-06 | 2023-09-12 | 广州市水之道生态环境修复有限公司 | Coupling enhanced composite flow sewage treatment system and treatment method |
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| EP0386560A1 (en) * | 1989-03-10 | 1990-09-12 | Dieter Eppler | Process for the biological elimination of phosphates |
| CN1657443A (en) * | 2004-07-22 | 2005-08-24 | 重庆大学 | Sewage treatment method using active sludge-biological filtering pond revere flow and integral device |
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-
2016
- 2016-04-26 CN CN201610265791.XA patent/CN105858888A/en active Pending
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| EP0386560A1 (en) * | 1989-03-10 | 1990-09-12 | Dieter Eppler | Process for the biological elimination of phosphates |
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| CN101439917A (en) * | 2008-12-10 | 2009-05-27 | 中国矿业大学 | Anaerobic adsorption dephosphorization and denitrification process |
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| CN104098178A (en) * | 2014-07-30 | 2014-10-15 | 重庆耐德机械设备有限公司 | Efficient nitrogen and phosphorus removal MBR (Membrane Bioreactor) device |
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| Title |
|---|
| 冯晓西等: "《精细化工废水治理技术》", 31 March 2000, 化学工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109809566A (en) * | 2019-04-09 | 2019-05-28 | 沈阳环境科学研究院 | A kind of AAO biological reaction pool of branch water inlet |
| CN111908735A (en) * | 2020-08-28 | 2020-11-10 | 桂林理工大学 | AAO process transformation method for urban sewage treatment plant based on anaerobic ammonia oxidation |
| CN116730498A (en) * | 2023-06-06 | 2023-09-12 | 广州市水之道生态环境修复有限公司 | Coupling enhanced composite flow sewage treatment system and treatment method |
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Application publication date: 20160817 |