CN107162186A - A kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge - Google Patents
A kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge Download PDFInfo
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- CN107162186A CN107162186A CN201710467233.6A CN201710467233A CN107162186A CN 107162186 A CN107162186 A CN 107162186A CN 201710467233 A CN201710467233 A CN 201710467233A CN 107162186 A CN107162186 A CN 107162186A
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- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/15—N03-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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Abstract
A kind of municipal sewage Anammox autotrophic denitrification device and method based on granule sludge belong to technical field of biological sewage treatment.Described device includes municipal sewage raw water box, denitrification reactor and on-line control system.Municipal sewage enters denitrification reactor by raw water box by intake pump, is first begin to anaerobism operation, the organic matter in sewage is converted into internal carbon source and is stored in microbial body；Then enter the hypoxemia operation phase, it is 0.2 0.5mg/L to control dissolved oxygen concentration, occur the reaction of short distance nitration Anammox；When dissolved oxygen concentration starts to rise to 1.0mg/L in reactor, stop aeration, into anoxic phases, occur endogenous denitrification coupling Anammox；Enter back into and precipitate in short-term, by precipitating selection swaging into granule sludge, last draining completes the operation of a cycle.This method has the advantages that water outlet total nitrogen concentration is low, energy expenditure is low and stable.
Description
Technical field
The present invention relates to a kind of municipal sewage Anammox autotrophic denitrification device and method based on granule sludge, belong to
Technical field of biological sewage treatment.
Background technology
China carrys out Development of China's Urbanization this year and constantly accelerated, and city dweller is continuously increased so that municipal sewage amount is continuously increased.
In order to control the pollution that pollutant emission is produced to water body, China has built municipal sewage plant this year on a large scale, mainly
Discharge for controlling organic pollution, nitrogen and phosphorus in sewage etc..Current municipal sewage plant is mostly raw using tradition
Thing denitrogenation technology, the technology has the shortcomings that high energy consumption, sludge yield are big, therefore exploitation high-efficiency low energy consumption denitrogenation technology has weight
The meaning wanted.
Anammox technology is a kind of Novel sewage bio-denitrification technology, and the technology has energy consumption is low, sludge output is few etc.
Feature, but the technology is mainly used in high ammonia-nitrogen wastewater processing at present.Limit Anammox denitrogenation technology and be applied to city dirt
The main bottleneck of water treatment plant is the growth and breeding for controlling sludge nitrite oxidation bacteria (NOB), so as to produce nitrous
Hydrochlorate provides substrate for Anammox.Studies have found that the anerobic sowage ammoxidation that granule sludge and floc sludge coexist takes off
In nitrogen system, nitrifier includes ammonia oxidation bacteria (AOB) and NOB is primarily present in floc sludge, and another part AOB and NOB are deposited
It is granule sludge outer layer；Anaerobic ammonia oxidizing bacteria is then primarily present in granule sludge.Therefore by forming granule sludge, it is to avoid
NOB quantity can be greatly decreased in the presence of floc sludge；Endogenous short-cut denitrification anaerobism ammonia oxygen is realized additionally by rearmounted anoxic
Change denitrogenation, realize stable anerobic sowage ammoxidation autotrophic denitrification.
The content of the invention
In order to promote application of the Anammox technology in municipal sewage treatment, based on above-mentioned analysis, a kind of base is proposed
In the municipal sewage Anammox autotrophic denitrification device and method of granule sludge.
The technical scheme is that：A kind of municipal sewage Anammox autotrophic denitrification device based on granule sludge,
Characterized in that, provided with municipal sewage raw water box 1, denitrification reactor 2 and On-line Control device 3；Municipal sewage raw water box 1 passes through
Intake pump 1.1 is connected with denitrification reactor 2, and the ratio of height to diameter of denitrification reactor 2 is 15-30；Denitrification reactor provided with reflux pump 2.1,
Aeration pump 2.2, dissolved oxygen on-line sensor 2.3, draining valve 2.4, three phase separator 2.5 and return duct 2.6；Dissolved oxygen is passed online
The data transfer of sensor 2.3 to On-line Control device 3, device is made up of PLC and motor controlling cabinet, can root
According to dissolved oxygen concentration and operation extent control aeration pump 2.2, intake pump 1.1, reflux pump 2.1 and the draining valve 2.4 of setting.
Municipal sewage Anammox autotrophic denitrification method based on granule sludge, it is characterised in that comprise the steps of：
1) inoculation municipal wastewater treatment plant activated sludge is added to denitrification reactor (2), sludge concentration MLSS is reached 3000-
4000mg/L；
2) start intake pump and municipal sewage be transported to denitrification reactor (2) from raw water box, stop after water inlet 3-10min into
Water pump；Then start reflux pump, into anaerobism section；After anaerobism operation 1-3h, start aeration pump；Constant aerating amount is controlled, is made anti-
It is 0.2-0.5mg/L to answer dissolved oxygen concentration in device；When dissolved oxygen concentration rises to 1.0mg/L, and dissolved oxygen concentration is kept to be more than
When 1.0mg/L time is more than 2min, stop aeration pump, into anoxic section；Anoxic runs 1-3h, stops reflux pump, into heavy
Shallow lake section；Sedimentation time is 1-5min, so as to turn out granule sludge；Precipitation opens draining valve (2.4) after terminating, and passes through the row of control
The water time, it is 30%-80% to make reactor draining ratio；Certain standby time is then set, a cycle of operation is completed；Entirely
The time in cycle is 6-12h；By regulating and controlling reflux ratio, the upflow velocity of water in reactor is set to maintain 2-15m/h, it is ensured that reaction
The good fluidized state of device endoparticle sludge.
Technical principle：
A kind of municipal sewage Anammox autotrophic denitrification device combination upward flow based on granule sludge is anaerobic mud bed
Reactor (UASB) and the characteristics of sequencing batch activated sludge reactor (SBR), using UASB reactor types, with SBR operation
Mode operation, while increasing water backflow provides upflow velocity, increases shearing force；Simultaneously water conservancy choosing is formed by shortening the sedimentation time
Select pressure；In addition by setting endogenous denitrification bacterium is in starvation, antimicrobial surface hydrophobicity is increased；In summary three
The formation and maintenance of granule sludge are strengthened in the measure of kind.The present invention denitrogenation technical principle be：Municipal sewage enters denitrification reactor
Afterwards, it is anaerobism operation first, the organic matter in sewage is stored in microbial body in endogenous form；Then enter hypoxemia anti-
Answer the stage, occur short distance nitration Anammox denitrogenation；Then the hypoxia response stage is entered back into, occurs endogenous short-cut denitrification and detests
Anaerobic ammonium oxidation denitrogenation；Sedimentation and drawing is then carried out, the purpose of wastewater efficient advanced nitrogen is reached.
A kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge of the present invention, with tradition
Biological denitrification process is compared and had the advantage that：
1) granule sludge is formed such that in reactor that biomass increases, and the sedimentation time shortens, and nitric efficiency is improved；
2) the technology oxygen demand is low, while being run with hypoxemia, reduces system aeration energy consumption；
3) realization of endogenous short-cut denitrification Anammox denitrogenation so that system nitrogen removal rate increase.
Brief description of the drawings
Fig. 1 is a kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge of the present invention
Structural representation.
1 it is municipal sewage raw water box in Fig. 1,2 be denitrification reactor, 3 is On-line Control device；1.1 be intake pump, 2.1
It is aeration pump for reflux pump, 2.2,2.3 is dissolved oxygen on-line sensor, 2.4 is draining valve, 2.5 is three phase separator, 2.6 is
Return duct.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples：A kind of municipal sewage based on granule sludge is detested
Anaerobic ammonium oxidation autotrophic denitrification device, provided with municipal sewage raw water box (1), denitrification reactor (2) and On-line Control device (3)；City
City's sewage raw water box (1) is connected by intake pump (1.1) with denitrification reactor (2), and denitrification reactor (2) ratio of height to diameter is 15-30；
Denitrification reactor is provided with reflux pump (2.1), aeration pump (2.2), dissolved oxygen on-line sensor (2.3), draining valve (2.4), three-phase
Separator (2.5) and return duct (2.6)；The data transfer of dissolved oxygen on-line sensor (2.3), should to On-line Control device (3)
Device is according to dissolved oxygen concentration and the operation extent control aeration pump (2.2) of setting, intake pump (1.1), reflux pump (2.1) and row
Water valve (2.4).
The step of method is：
1) inoculation municipal wastewater treatment plant activated sludge is added to denitrification reactor (2), sludge concentration MLSS is reached 3000-
4000mg/L；
2) start intake pump and municipal sewage be transported to denitrification reactor (2) from raw water box, stop after water inlet 3-10min into
Water pump；Then start reflux pump, into anaerobism section；After anaerobism operation 1-3h, start aeration pump；Constant aerating amount is controlled, is made anti-
It is 0.2-0.5mg/L to answer dissolved oxygen concentration in device；When dissolved oxygen concentration rises to 1.0mg/L, and dissolved oxygen concentration is kept to be more than
When 1.0mg/L time is more than 2min, stop aeration pump, into anoxic section；Anoxic runs 1-3h, stops reflux pump, into heavy
Shallow lake section；Sedimentation time is 1-5min, so as to turn out granule sludge；Precipitation opens draining valve (2.4) after terminating, and passes through the row of control
The water time, it is 30%-80% to make reactor draining ratio；Certain standby time is then set, a cycle of operation is completed；Entirely
The time in cycle is 6-12h；By regulating and controlling reflux ratio, the upflow velocity of water in reactor is set to maintain 2-15m/h, it is ensured that reaction
The good fluidized state of device endoparticle sludge.
Experiment is using Beijing dependents' district sanitary sewage as raw water, and specific water quality is as follows：COD concentration is 260-420mg/
L；Concentration is 50-70mg/L, Pilot system such as Fig. 1 institutes
Show, denitrification reactor is made of lucite, its effective volume is 5L.
Concrete operations are as follows：
1) inoculation municipal wastewater treatment plant activated sludge is added to denitrification reactor (2), sludge concentration MLSS is reached 3500mg/
L；
2) start after municipal sewage is transported to denitrification reactor (2), water inlet 3min by intake pump from raw water box and stop water inlet
Pump；Then start reflux pump, into anaerobism section；After anaerobism operation 2h, start aeration pump；Constant aerating amount is controlled, makes reactor
Interior dissolved oxygen concentration is 0.2-0.5mg/L；When dissolved oxygen concentration rises to 1.0mg/L, and dissolved oxygen concentration is kept to be more than 1.0mg/L
Time more than 2min when, stop aeration pump, into anoxic section；Anoxic runs 2h, stops reflux pump, into precipitating phase；Precipitation
Time is 5min, so as to turn out granule sludge；Precipitation opens draining valve (2.4) after terminating, by controlling water discharge time, makes anti-
It is 50% to answer device draining ratio；Certain standby time is then set, a cycle of operation is completed；The time of whole cycle is 12h；
By regulating and controlling reflux ratio, the upflow velocity of water in reactor is set to maintain 6m/h, it is ensured that the stream of reactor endoparticle sludge well
Change state.
Result of the test shows：After stable, denitrification reactor effluent COD concentration is 30-50mg/L,Concentration
0-3mg/L,Concentration is 0-0.6mg/L,Concentration 1-5mg/L, TN are less than 10mg/L.
Claims (2)
1. a kind of municipal sewage Anammox autotrophic denitrification device based on granule sludge, it is characterised in that dirty provided with city
Water raw water box (1), denitrification reactor (2) and On-line Control device (3)；Municipal sewage raw water box (1) by intake pump (1.1) with
Denitrification reactor (2) is connected, and denitrification reactor (2) ratio of height to diameter is 15-30；Denitrification reactor is provided with reflux pump (2.1), aeration pump
(2.2), dissolved oxygen on-line sensor (2.3), draining valve (2.4), three phase separator (2.5) and return duct (2.6)；Dissolved oxygen exists
The data transfer of line sensor (2.3) to On-line Control device (3), On-line Control device controls aeration pump (2.2), intake pump
(1.1), reflux pump (2.1) and draining valve (2.4).
2. the method for realizing municipal sewage Anammox denitrogenation using claim 1 described device culture granule sludge, it is special
Levy and be, comprise the steps of：
1) inoculation municipal wastewater treatment plant activated sludge is added to denitrification reactor (2), sludge concentration MLSS is reached 3000-
4000mg/L；
2) start after municipal sewage is transported to denitrification reactor (2), water inlet 3-10min by intake pump from raw water box and stop water inlet
Pump；Then start reflux pump, into anaerobism section；After anaerobism operation 1-3h, start aeration pump；Constant aerating amount is controlled, makes reaction
Dissolved oxygen concentration is 0.2-0.5mg/L in device；When dissolved oxygen concentration rises to 1.0mg/L, and dissolved oxygen concentration is kept to be more than
When 1.0mg/L time is more than 2min, stop aeration pump, into anoxic section；Anoxic runs 1-3h, stops reflux pump, into heavy
Shallow lake section；Sedimentation time is 1-5min, so as to turn out granule sludge；Precipitation opens draining valve (2.4) after terminating, and passes through the row of control
The water time, it is 30%-80% to make reactor draining ratio；Then leave unused, complete a cycle of operation；The time of whole cycle is 6-
12h；By regulating and controlling reflux ratio, the upflow velocity of water in reactor is set to maintain 2-15m/h.
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| CN201710467233.6A CN107162186B (en) | 2017-06-20 | 2017-06-20 | Device and method for urban sewage anaerobic ammonia oxidation autotrophic nitrogen removal based on granular sludge |
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Cited By (9)
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| CN108862587A (en) * | 2018-07-13 | 2018-11-23 | 北京工业大学 | Continuous flow short distance nitration/Anammox joint DEAMOX processing high ammonia-nitrogen wastewater and sanitary sewage device and method |
| CN109111058A (en) * | 2018-10-21 | 2019-01-01 | 煤科集团杭州环保研究院有限公司 | A kind of domestic sewage processing system and method |
| CN109231448A (en) * | 2018-10-15 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of device and its operation method of fast realizing anaerobic ammonium oxidation granulation |
| CN109879429A (en) * | 2019-04-18 | 2019-06-14 | 东华大学 | Based on Anammox autotrophic denitrification biological treatment of waste water system and method |
| CN110606575A (en) * | 2019-10-11 | 2019-12-24 | 江西省科学院能源研究所 | Synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system and method for sewage |
| CN111410295A (en) * | 2020-03-31 | 2020-07-14 | 西安建筑科技大学 | Rapid starting and stable operation method for shortcut nitrification of biochemical reaction tank |
| CN112250175A (en) * | 2020-09-23 | 2021-01-22 | 北京工业大学 | Device and method for realizing deep denitrification of municipal sewage by virtue of integrated shortcut nitrification-anaerobic ammonia oxidation coupling with endogenous shortcut denitrification |
| CN112479363A (en) * | 2020-11-10 | 2021-03-12 | 青岛大学 | Device and method for simultaneously treating municipal sewage and nitrate-containing wastewater |
| CN115557610A (en) * | 2022-10-31 | 2023-01-03 | 北京工业大学 | Method for realizing anaerobic ammonia oxidation granulation and synchronous nitrogen and phosphorus removal by shortening precipitation time in stages |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862587A (en) * | 2018-07-13 | 2018-11-23 | 北京工业大学 | Continuous flow short distance nitration/Anammox joint DEAMOX processing high ammonia-nitrogen wastewater and sanitary sewage device and method |
| CN109231448A (en) * | 2018-10-15 | 2019-01-18 | 北京城市排水集团有限责任公司 | A kind of device and its operation method of fast realizing anaerobic ammonium oxidation granulation |
| CN109231448B (en) * | 2018-10-15 | 2024-01-30 | 北京城市排水集团有限责任公司 | Device for rapidly realizing anaerobic ammonia oxidation granulation and operation method thereof |
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| CN109879429A (en) * | 2019-04-18 | 2019-06-14 | 东华大学 | Based on Anammox autotrophic denitrification biological treatment of waste water system and method |
| CN110606575A (en) * | 2019-10-11 | 2019-12-24 | 江西省科学院能源研究所 | Synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system and method for sewage |
| CN111410295A (en) * | 2020-03-31 | 2020-07-14 | 西安建筑科技大学 | Rapid starting and stable operation method for shortcut nitrification of biochemical reaction tank |
| CN112250175A (en) * | 2020-09-23 | 2021-01-22 | 北京工业大学 | Device and method for realizing deep denitrification of municipal sewage by virtue of integrated shortcut nitrification-anaerobic ammonia oxidation coupling with endogenous shortcut denitrification |
| CN112479363A (en) * | 2020-11-10 | 2021-03-12 | 青岛大学 | Device and method for simultaneously treating municipal sewage and nitrate-containing wastewater |
| CN115557610A (en) * | 2022-10-31 | 2023-01-03 | 北京工业大学 | Method for realizing anaerobic ammonia oxidation granulation and synchronous nitrogen and phosphorus removal by shortening precipitation time in stages |
| CN115557610B (en) * | 2022-10-31 | 2024-04-26 | 北京工业大学 | Method for realizing anaerobic ammoxidation granulation and synchronous denitrification and dephosphorization by shortening precipitation time in stages |
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