CN109912032A - The method and apparatus that heterotrophism couples mud decrement synchronous denitrification dephosphorizing with autotrophy are realized in AOA-SBR - Google Patents
The method and apparatus that heterotrophism couples mud decrement synchronous denitrification dephosphorizing with autotrophy are realized in AOA-SBR Download PDFInfo
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- CN109912032A CN109912032A CN201910259868.6A CN201910259868A CN109912032A CN 109912032 A CN109912032 A CN 109912032A CN 201910259868 A CN201910259868 A CN 201910259868A CN 109912032 A CN109912032 A CN 109912032A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The method and apparatus that heterotrophism couples mud decrement synchronous denitrification dephosphorizing with autotrophy are realized in AOA-SBR, belong to field of municipal sewage treatment and sludge biochemical treatment field.Municipal sewage and sludge fermentation mixture enter AOA-SBR reactor simultaneously, convert PHA storage in vivo for the organic matter in sanitary sewage and sludge fermentation object in anaerobism section polyP bacteria, while discharging phosphate；It is acted in aerobic section by short distance nitration and ammonia nitrogen is partially converted into nitrite nitrogen, while polyP bacteria excessively inhales phosphorus, complete deep phosphorous removal；Anammox effect occurs in anoxic section residue ammonia nitrogen and nitrite nitrogen, while the nitrate-nitrogen reduction that denitrifying bacterium generates remaining nitrite nitrogen and Anammox effect is nitrogen, completes advanced nitrogen.The present invention uses the method for operation of AOA-SBR, realizes higher nitrous accumulation rate；Achieve the purpose that advanced nitrogen of the low C/N than sewage by Anammox and denitrification；Achieve the purpose that deep phosphorous removal by anaerobic phosphorus release and aerobic phosphorus absorption effect.
Description
Technical field
The present invention relates to realized in AOA-SBR heterotrophism couple with autotrophy mud decrement synchronous denitrification dephosphorizing method and
The optimal control of device belongs to municipal sewage treatment and sludge biochemical treatment field.This technique is suitable for strengthening the low city C/N
The advanced nitrogen dephosphorization of sanitary sewage.
Background technique
Biological Nitrogen Removal Processe is widely used in city domestic sewage treatment plant.However carbon source in urban sewage is insufficient
The problem of limit the application of traditional biological denitrification dephosphorization technique.Sewage treatment plant inevitably generates a large amount of residue simultaneously
The processing disposition of sludge, excess sludge is also a great problem.Excess sludge is the substance generated in biological wastewater treatment process, main
Wanting organic principle is protein, carbohydrate and fat.Excess sludge anaerobic fermentation technology can generate a large amount of short chain fatty acids,
It can be used as the high-quality carbon source during biological carbon and phosphorous removal, while realizing that sludge reduction is handled.Develop carbon in excess sludge
Fermentation liquid and sludge can be separated Selection utilization fermentation liquid by source, can also directly utilize its sludge fermentation mixture.It considers
The practical problems such as operating cost, it is only too high using sludge fermentation supernatant cost, it can choose and mixed using excess sludge fermentation
Object.
Nitrobacteria is a kind of chemotrophy type bacterium, mainly includes that ammonia oxidizing bacteria (AOB) and nitrite-oxidizing are thin
Mineralized nitrogen is respectively nitrite nitrogen, converts nitrate nitrogen for nitrite nitrogen by two class of bacterium (NOB), in sanitary sewage biology
Irreplaceable role is played in denitrification process.Short-cut denitrification technology is to control biological nitrification process in the ammoxidation stage,
Denitrification is then directly carried out, and then realizes energy-saving purpose.Short distance nitration is the key that short-cut denitrification technology, and is realized
The key of short distance nitration is to realize the enrichment of AOB and the inhibition and elutriation of NOB.
Realize the method and apparatus that heterotrophism couples mud decrement synchronous denitrification dephosphorizing with autotrophy, in AOA-SBR with residue
Sludge and municipal sewage are research object, are reached using difference of the sludge fermentation object to nitrobacteria (AOB and NOB) rejection ability
The effect for eluriating NOB is improved by realizing that part short distance nitration Anammox and anoxic denitrification realize advanced nitrogen
The nitrogen removal rate of system；By carrying out anaerobic phosphorus release and aerobic phosphorus absorption using the carbon source in sludge fermentation object and sanitary sewage
Effect, completes the deep phosphorous removal of system.Using the sludge of sewage plant itself discharge as carbon source, denitrogenation dephosphorizing efficiency is being improved
While save the expense of additional carbon；The process of sludge and separation of fermentative broth is omitted using sludge fermentation mixture, saves
About cost, while realizing sludge reduction processing.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes that one kind realizes that heterotrophism couples sludge with autotrophy and subtracts in AOA-SBR
Excess sludge fermenting mixture, is pumped into the batch-type for handling low C/N sanitary sewage by the method and apparatus for measuring synchronous denitrification dephosphorizing
In reactor SBR, sludge fermentation object contains a large amount of high-quality carbon source, enables polyP bacteria sufficiently to release phosphorus, into aerobic aeration
Stage, polyP bacteria excessively inhale phosphorus and achieve the purpose that deep phosphorous removal；Sludge fermentation object adds the work so that nitrite oxidizing bacteria
Property is inhibited, so that being partially converted into nitrite nitrogen in aerobic stage ammonia nitrogen, enters back into anoxia stirring, remaining ammonia nitrogen and nitrous
Anammox effect, while the nitre that denitrifying bacterium generates remaining nitrite nitrogen and Anammox effect occur for state nitrogen
State nitrogen is reduced to nitrogen, completes advanced nitrogen.
The present invention is achieved through the following technical solutions:
(1) starting of excess sludge fermentor: excess sludge fermentor (2) is semi batch reacor, and seed sludge is city
City's secondary sedimentation tank of sewage treatment work spoil disposal, sludge retention time SRT controlled pH 9~10 at 6~20 days；It is discharged daily according to SRT
Excess sludge fermenting mixture is to fermenting mixture holding vessel (9) and isometric fresh excess sludge is added to excess sludge fermentation
Tank (2)；
(2) sequencing batch reactor the starting of sequencing batch reactor SBR: is injected using complete nitrification sludge as seed sludge
SBR (13) injects sanitary sewage water tank (8) by raw water of actual cities sanitary sewage, passes through third peristaltic pump, that is, intake pump
(10) it squeezes into sequencing batch reactor SBR (13), while to squeeze into batch-type anti-by the second peristaltic pump (11) for sludge fermentation mixture
Device SBR (13) are answered, run 2~4 periods daily, than maintaining 50~80%, each period includes water inlet for draining, and anaerobism is stirred
It mixes, is aerated, anoxia stirring, precipitate, draining runs reactor under the above conditions.
Sequencing batch reactor SBR:
I water inlet, fermenting mixture set inflow as the 1/2~4/5 of reactor effective volume, are into fermenting mixture amount
The 1/50~1/10 of volume of intaking both is controlled by time switch, and after system starting, the sewage in sewage water tank (8) is logical
The fermentation mixing that intake pump (10) are crossed into sequencing batch reactor SBR (13), during water inlet, in excess sludge fermentor (2)
Object enters SBR (13) by the second peristaltic pump (11)；
Enter anaerobism agitation phases after the stirring water inlet of II anaerobism, sets mixing time as 3~3.5h；
III aeration opens air compressor machine (16), provides oxygen to sequencing batch reactor SBR (13), the ammonia nitrogen in water inlet is turned
Turn to oxidation state nitrogen；It maintains dissolved oxygen DO in 0.5~1mg/L by real-time control apparatus, and monitors pH, setting aeration time exists
1~3h；
IV anoxia stirring sets 2~5h of mixing time；
VI sedimentation and drawing sets 1~2h of sedimentation time, drains after mud-water separation, and draining is than being 50%~80%.
In conclusion the present invention provides one kind realizes that heterotrophism couples mud decrement simultaneous denitrification with autotrophy in AOA-SBR
The method and apparatus of dephosphorization, using excess sludge and municipal sewage as research object, by sludge fermentation object to nitrobacteria (ammonia oxygen
Change bacterium AOB and nitrite oxidizing bacteria NOB) inhibitory activity difference (stronger to NOB inhibition level), realize higher nitrous
Accumulation rate；Achieve the purpose that advanced nitrogen of the low C/N than sewage by Anammox and denitrification；It is released by anaerobism
Phosphorus and aerobic phosphorus absorption effect achieve the purpose that deep phosphorous removal.It is de- improving using the sludge of sewage plant itself discharge as carbon source
The expense of additional carbon is saved while nitrogen efficiency；The mistake of sludge and separation of fermentative broth is omitted using sludge fermentation mixture
Journey, save the cost, while realizing sludge reduction processing.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of apparatus of the present invention
In figure: 1 --- the first peristaltic pump；2 --- excess sludge fermentor；3 --- the first blender；4 --- temperature control
Device processed；5 --- the first pH controller；6 --- process controller；7 --- computer；8 --- sewage water tank；9 --- fermentation is mixed
Close object holding vessel；10 --- third peristaltic pump；11 --- the second peristaltic pump；12 --- the first dissolved oxygen controller；13 --- sequence
Batch reactor SBR；14 --- the 2nd pH controller；15 --- the second blender；16 --- air compressor machine；
Fig. 2 is the method for operation of sequencing batch reactor SBR.
Specific embodiment
The application patent is further illustrated in conjunction with attached drawing and example: as shown in Figure 1, the present invention includes excess sludge fermentation
Tank, sludge fermentation mixture holding vessel, sewage water tank, sequencing batch reactor SBR.The effective volume of four devices be respectively 5L,
3L, 30L, 12L, wherein excess sludge fermentor, sludge fermentation mixture holding vessel and sequencing batch reactor SBR are by organic glass
It is made.
The device includes that excess sludge is pumped into excess sludge fermentor (2) by the first pump peristaltic pump (1), excess sludge hair
First blender (3), temperature control equipment (4), the first pH controller (5) are installed in fermentation tank (2)；Excess sludge fermentor (2)
It is connect with fermenting mixture holding vessel (9), fermenting mixture holding vessel (9) passes through the second peristaltic pump (11) and sequencing batch reactor
SBR (13) connection；Sanitary sewage water tank (8) is connected by third peristaltic pump, that is, intake pump (10) and sequencing batch reactor SBR (13)
It connects.Installation the second blender (15), the first dissolved oxygen controller (12) and the 2nd pH controller in sequencing batch reactor SBR (13)
(14)；Aeration head in sequencing batch reactor SBR (13) is connect with air compressor machine (16).In addition, what setting was connected with computer (7)
Process controller (6), to control the first peristaltic pump (1), the second peristaltic pump (11), third peristaltic pump (10), the first blender
(3), the second blender (15), temperature controller (4), the first pH controller (5), the 2nd pH controller (14), air compressor machine (16).
City domestic sewage used in specific example is derived from the septic tank of Beijing dependents' district, wherein COD
COD is in 180~200mg/L, NH4 +The concentration of-N is in 60~70mg/L, and C/N is in 2~4, PO4 3-- P is 5~10mg/L, itself
Carbon source is unable to satisfy the purpose of advanced nitrogen dephosphorization.
Specific implementation process is as follows:
Excess sludge fermentor is semi batch reacor, and seed sludge concentration MLSS stops in 7500~8000mg/L, sludge
It stays time SRT at 6 days, controls pH 10 ± 0.2, temperature is at 30 ± 2 DEG C.Discharge the fermentation of 833mL excess sludge daily according to SRT
The fresh excess sludge of 833mL is added to excess sludge fermentor to fermenting mixture holding vessel in mixture.Sludge fermentation is mixed
The main indicator closed in object is as follows: sludge fermentation object sludge concentration MLSS in 4500~5500mg/L, SCOD is 3380 ±
420mg/L, SCFAs are 1221 ± 40mg COD/L, NH4 +- N is 198 ± 20mg/L, PO4 3-- P is 95 ± 10mg/L.
The starting of sequencing batch reactor SBR: sequencing batch reactor SBR is injected using complete nitrification sludge as seed sludge
(13), sanitary sewage water tank (8) are injected by raw water of actual cities sanitary sewage, is beaten by third peristaltic pump, that is, intake pump (10)
Enter sequencing batch reactor SBR (13), while sludge fermentation mixture squeezes into sequencing batch reactor SBR by the second peristaltic pump (11)
(13), 2 periods of operation, draining ratio maintain 50~80% daily, and each period includes water inlet, anaerobism stirring, aeration, anoxic
Stirring precipitates, and draining runs reactor under the above conditions.
Sequencing batch reactor SBR:
I water inlet, 54% that fermenting mixture inflow is reactor effective volume, i.e. 6.5L.It is into fermenting mixture amount
1/18.6, i.e. 350ml of volume of intaking both are controlled by time switch, and after system starting, the sewage in raw water water tank is logical
It crosses intake pump and enters sequencing batch reactor SBR, during water inlet, the fermenting mixture in fermenting mixture holding vessel passes through wriggling
Pump enters SBR；
Enter anaerobism agitation phases after the stirring water inlet of II anaerobism, sets mixing time as 3h, polyP bacteria utilizes fermentation
Abundant carbon source progress in mixture and sanitary sewage largely releases phosphorus, and stores a large amount of PHA；
III aeration maintains dissolved oxygen DO in 0.5~1mg/L by real-time control apparatus, and monitors pH, sets aeration time
In 3h, NH4 +- N is in real-time control and adds short distance nitration, NH occurs under sludge fermentation object collective effect4 +- N in real-time control and
It adds and short distance nitration occurs under sludge fermentation object collective effect, work as NO2 -- N:NH4 +Stop when the ratio between-N mass concentration is 1.5
Aeration, while polyP bacteria excessively sucks PO4 3--P；
IV anoxia stirring sets mixing time 4.5h, and Anammox occurs in anoxic section residue ammonia nitrogen and nitrite nitrogen and makees
With, while denitrification is carried out, the nitrate-nitrogen reduction that remaining nitrite nitrogen and Anammox effect are generated is nitrogen；
V sedimentation and drawing sets sedimentation time 1h, drains after mud-water separation, is discharged into intermediate water tank, draining is than being 57%.
The results showed that COD concentration is 30~43mg/L, NH in water outlet after stable4 +- N concentration be 0.2~
2.5mg/L, it is 85~90%, PO that nitrous accumulation rate, which can reach 99% or more, TN removal rate,4 3-- P concentration is 0.1~0.7mg/L,
Removal rate is 90%~97%.
Claims (2)
1. realizing that heterotrophism couples the device of mud decrement synchronous denitrification dephosphorizing with autotrophy in AOA-SBR, which is characterized in that the dress
It sets and is pumped into excess sludge fermentor (2) including excess sludge by the first pump peristaltic pump (1), peace in excess sludge fermentor (2)
Fill the first blender (3), temperature control equipment (4), the first pH controller (5)；Excess sludge fermentor (2) and fermenting mixture
Holding vessel (9) connection, fermenting mixture holding vessel (9) are connect by the second peristaltic pump (11) with sequencing batch reactor SBR (13)；
Sanitary sewage water tank (8) is connect by third peristaltic pump, that is, intake pump (10) with sequencing batch reactor SBR (13)；Batch-type reaction
Installation the second blender (15), the first dissolved oxygen controller (12) and the 2nd pH controller (14) in device SBR (13)；Batch-type is anti-
The aeration head in device SBR (13) is answered to connect with air compressor machine (16)；In addition, the process controller that setting is connected with computer (7)
(6), to control the first peristaltic pump (1), the second peristaltic pump (11), third peristaltic pump (10), the first blender (3), second stir
Mix device (15), temperature controller (4), the first pH controller (5), the 2nd pH controller (14), air compressor machine (16).
2. utilizing the method for claim 1 described device, which comprises the following steps:
(1) starting of excess sludge fermentor: excess sludge fermentor (2) is semi batch reacor, and seed sludge is that city is dirty
Water treatment plant's sludge from final clarifier, sludge retention time SRT controlled pH 9~10 at 6~20 days；Residue is discharged daily according to SRT
Sludge fermentation mixture is to fermenting mixture holding vessel (9) and isometric fresh excess sludge is added to excess sludge fermentor
(2)；
(2) sequence sequencing batch reactor SBR, the hereinafter referred to as starting of reactor: is injected using complete nitrification sludge as seed sludge
Batch reactor SBR (13) injects sanitary sewage water tank (8) by raw water of actual cities sanitary sewage, passes through third peristaltic pump
I.e. intake pump (10) is squeezed into sequencing batch reactor SBR (13), while sludge fermentation mixture is squeezed by the second peristaltic pump (11)
Sequencing batch reactor SBR (13) runs 2~4 periods daily, and than maintaining 50~80%, each period includes water inlet for draining,
Anaerobism stirring, aeration, anoxia stirring precipitate, and draining runs reactor under the above conditions；
Sequencing batch reactor SBR:
I water inlet, fermenting mixture set inflow be the 1/3~4/5 of reactor effective volume, into fermenting mixture amount for intake
The 1/50~1/10 of volume is both controlled by time switch, after system starting, sewage in sewage water tank (8) by into
Water pump (10) enters sequencing batch reactor SBR (13), and during water inlet, the fermenting mixture in excess sludge fermentor (2) is logical
The second peristaltic pump (11) are crossed into SBR (13)；
Enter anaerobism agitation phases after the stirring water inlet of II anaerobism, sets mixing time as 2~3.5h；
III aeration opens air compressor machine (16), provides oxygen to sequencing batch reactor SBR (13), is by the mineralized nitrogen in water inlet
Oxidation state nitrogen；It maintains dissolved oxygen DO in 0.5~1mg/L by real-time control apparatus, sets aeration time in 1~3h, work as NO2 --
N:NH4 +Stop aeration when the ratio between-N mass concentration is between 1.5~2.0；
IV anoxia stirring sets 2~5h of mixing time；
VI sedimentation and drawing sets 1~2h of sedimentation time, drains after mud-water separation, and draining is than being 50%~80%.
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| CN201910259868.6A CN109912032A (en) | 2019-04-02 | 2019-04-02 | The method and apparatus that heterotrophism couples mud decrement synchronous denitrification dephosphorizing with autotrophy are realized in AOA-SBR |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020200262A1 (en) * | 2019-04-02 | 2020-10-08 | 北京工业大学 | Method and device for realizing heterotrophic and autotrophic coupling deep denitrification and simultaneous sludge reduction in aoa-sbr |
| CN112456646A (en) * | 2020-11-17 | 2021-03-09 | 北京工业大学 | Device and method for coupling A0A-SBR of anaerobic ammonia oxidation through heterotrophic denitrification and autotrophic denitrification enhanced partial denitrification |
| CN112607863A (en) * | 2020-12-24 | 2021-04-06 | 北京工业大学 | Device and method for realizing deep nitrogen and phosphorus removal of low C/N ratio municipal sewage combined sludge fermentation product by utilizing PN/A process |
| CN113415884A (en) * | 2021-06-04 | 2021-09-21 | 北京工业大学 | Device and method for simultaneously treating domestic sewage and nitrate wastewater for nitrogen and phosphorus removal by fully utilizing internal carbon source |
| CN114671512A (en) * | 2022-03-29 | 2022-06-28 | 北京工业大学 | Method and device for synchronously removing carbon, nitrogen and phosphorus by utilizing sludge fermentation reinforced mainstream anaerobic ammonia oxidation based on A-B method |
| CN115353193A (en) * | 2022-09-16 | 2022-11-18 | 北京工业大学 | Device and method for realizing synchronous and deep nitrogen and phosphorus removal of shortcut nitrification anaerobic ammonia oxidation in municipal sewage by side-stream phosphorus release |
| CN115490320A (en) * | 2022-10-11 | 2022-12-20 | 北京工业大学 | Method and device for enhancing advanced nitrogen and phosphorus removal through double-short-distance coupling anaerobic ammonia oxidation by adding sludge fermentation mixture in sections |
| CN116553725A (en) * | 2023-04-11 | 2023-08-08 | 深圳市水务(集团)有限公司 | AOA system and method for low-carbon-nitrogen-ratio urban sewage treatment |
| CN115353193B (en) * | 2022-09-16 | 2024-04-19 | 北京工业大学 | Device and method for realizing synchronous deep denitrification and dephosphorization of short-cut nitrification anaerobic ammonia oxidation in municipal wastewater by side stream phosphorus release |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986856A (en) * | 2015-07-27 | 2015-10-21 | 北京工业大学 | Method for treating low-carbon-nitrogen-ratio domestic sewage with partial shortcut nitrification-synchronous sludge fermentation, denitrification and anaerobic ammonium oxidation process |
| CN106007168A (en) * | 2016-05-15 | 2016-10-12 | 北京工业大学 | Method for combining domestic sewage deep denitrification with synchronous sludge fermentation mixing liquid recycling through multi-stage SBRs |
| CN107021560A (en) * | 2017-06-09 | 2017-08-08 | 北京工业大学 | The method and apparatus for realizing sewerage short-cut nitration denitrification in SBR using sludge fermentation thing |
| CN108439595A (en) * | 2018-04-04 | 2018-08-24 | 北京工业大学 | The denitrifying methods of foul water fraction short distance nitration-Anammox/ are realized using sludge fermentation object |
-
2019
- 2019-04-02 CN CN201910259868.6A patent/CN109912032A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986856A (en) * | 2015-07-27 | 2015-10-21 | 北京工业大学 | Method for treating low-carbon-nitrogen-ratio domestic sewage with partial shortcut nitrification-synchronous sludge fermentation, denitrification and anaerobic ammonium oxidation process |
| CN106007168A (en) * | 2016-05-15 | 2016-10-12 | 北京工业大学 | Method for combining domestic sewage deep denitrification with synchronous sludge fermentation mixing liquid recycling through multi-stage SBRs |
| CN107021560A (en) * | 2017-06-09 | 2017-08-08 | 北京工业大学 | The method and apparatus for realizing sewerage short-cut nitration denitrification in SBR using sludge fermentation thing |
| CN108439595A (en) * | 2018-04-04 | 2018-08-24 | 北京工业大学 | The denitrifying methods of foul water fraction short distance nitration-Anammox/ are realized using sludge fermentation object |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020200262A1 (en) * | 2019-04-02 | 2020-10-08 | 北京工业大学 | Method and device for realizing heterotrophic and autotrophic coupling deep denitrification and simultaneous sludge reduction in aoa-sbr |
| CN112456646A (en) * | 2020-11-17 | 2021-03-09 | 北京工业大学 | Device and method for coupling A0A-SBR of anaerobic ammonia oxidation through heterotrophic denitrification and autotrophic denitrification enhanced partial denitrification |
| CN112607863A (en) * | 2020-12-24 | 2021-04-06 | 北京工业大学 | Device and method for realizing deep nitrogen and phosphorus removal of low C/N ratio municipal sewage combined sludge fermentation product by utilizing PN/A process |
| CN113415884A (en) * | 2021-06-04 | 2021-09-21 | 北京工业大学 | Device and method for simultaneously treating domestic sewage and nitrate wastewater for nitrogen and phosphorus removal by fully utilizing internal carbon source |
| CN114671512A (en) * | 2022-03-29 | 2022-06-28 | 北京工业大学 | Method and device for synchronously removing carbon, nitrogen and phosphorus by utilizing sludge fermentation reinforced mainstream anaerobic ammonia oxidation based on A-B method |
| CN114671512B (en) * | 2022-03-29 | 2023-07-14 | 北京工业大学 | Method and device for realizing synchronous removal of carbon, nitrogen and phosphorus by strengthening main stream anaerobic ammonia oxidation through sludge fermentation based on A-B method |
| CN115353193A (en) * | 2022-09-16 | 2022-11-18 | 北京工业大学 | Device and method for realizing synchronous and deep nitrogen and phosphorus removal of shortcut nitrification anaerobic ammonia oxidation in municipal sewage by side-stream phosphorus release |
| CN115353193B (en) * | 2022-09-16 | 2024-04-19 | 北京工业大学 | Device and method for realizing synchronous deep denitrification and dephosphorization of short-cut nitrification anaerobic ammonia oxidation in municipal wastewater by side stream phosphorus release |
| CN115490320A (en) * | 2022-10-11 | 2022-12-20 | 北京工业大学 | Method and device for enhancing advanced nitrogen and phosphorus removal through double-short-distance coupling anaerobic ammonia oxidation by adding sludge fermentation mixture in sections |
| CN115490320B (en) * | 2022-10-11 | 2023-10-27 | 北京工业大学 | Method and device for reinforced double short-range coupling anaerobic ammonia oxidation deep denitrification and dephosphorization by sectional feeding of sludge fermentation mixture |
| CN116553725A (en) * | 2023-04-11 | 2023-08-08 | 深圳市水务(集团)有限公司 | AOA system and method for low-carbon-nitrogen-ratio urban sewage treatment |
| CN116553725B (en) * | 2023-04-11 | 2023-12-15 | 深圳市水务(集团)有限公司 | AOA system and method for low-carbon-nitrogen-ratio urban sewage treatment |
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Application publication date: 20190621 |