CN103058461B - Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation - Google Patents

Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation Download PDF

Info

Publication number
CN103058461B
CN103058461B CN2013100006535A CN201310000653A CN103058461B CN 103058461 B CN103058461 B CN 103058461B CN 2013100006535 A CN2013100006535 A CN 2013100006535A CN 201310000653 A CN201310000653 A CN 201310000653A CN 103058461 B CN103058461 B CN 103058461B
Authority
CN
China
Prior art keywords
reactor
biological adsorption
sbr
pond
sludge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2013100006535A
Other languages
Chinese (zh)
Other versions
CN103058461A (en
Inventor
王淑莹
马斌
彭永臻
李夕耀
包鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIZHOU ZHUXIN WATER AFFAIRS ENVIRONMENT INDUSTRY Co.,Ltd.
Original Assignee
Beijing University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Technology filed Critical Beijing University of Technology
Priority to CN2013100006535A priority Critical patent/CN103058461B/en
Publication of CN103058461A publication Critical patent/CN103058461A/en
Application granted granted Critical
Publication of CN103058461B publication Critical patent/CN103058461B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies

Abstract

The invention relates to a municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation, and belongs to the field of sewage treatment. According to the invention, municipal sewage enters a biosorption reactor at first, organic matter in the sewage is absorbed into activated sludge through the absorption effect of the activated sludge, then the municipal sewage enters an SBR (Sequencing Batch Reactor Activated Sludge Process) reactor, and through the alternate operation of low oxygen aeration and anaerobic agitation, the autotrophic nitrogen removal of the partial nitrification and the anaerobic ammonia oxidation is realized, so that the energy recuperation efficiency of the sewage treatment is improved, and the operation energy consumption of the sewage treatment is lowered.

Description

The municipal effluent short distance nitration of reinforcement energy recovery+Anammox denitrogenation method
Technical field
The present invention relates to a kind of municipal effluent short distance nitration of strengthening energy recovery+Anammox denitrogenation method, belong to the dirty water living creature processing technique field.
Background technology
In municipal effluent, organism is not only pollutent, can also be regarded as the carrier of energy, because can produce methane by anaerobically fermenting, changes the organism in water into energy substance methane.Present traditional nitration denitrification biological denitrification process of using of municipal wastewater treatment plant need to utilize that in sewage, organism carries out biological denitrificaion as denitrifying carbon source, therefore just makes to be used for methanogenic organism amount in sewage and to reduce.The discovery of anaerobic ammonia oxidizing bacteria makes bio-denitrifying sewage need not organism, makes in sewage that organism is as much as possible produces methane for anaerobically fermenting, thereby can improve energy recovery rate in municipal effluent.The research of Anammox technology at present mainly concentrates on high ammonia-nitrogen wastewater with application and processes, and is applied to the fewer of municipal sewage treatment.
In common pulling flow type municipal effluent denitrification system, induce reaction speed or reactor time of water quality fluctuating temperature changes, and the hydraulic detention time of system is certain, therefore the waste that finishes still to continue the situation of aeration and cause energy may occur reacting, or react insufficient and cause effluent quality to worsen.The sbr reactor device at system volume one regularly can be controlled reaction process by the adjust operation time, therefore can effectively avoid aeration, can stablize effluent quality simultaneously.
Summary of the invention
Purpose of the present invention is exactly for the existing problem that the municipal sewage treatment energy consumption is high, stable water outlet is poor, a kind of municipal effluent short distance nitration of strengthening energy recovery+Anammox denitrogenation method and device proposed, at first the method and device are enriched to mud with the organism in sewage by the biological adsorption effect, then this sludge anaerobic fermentation to produce methane is improved energy recovery rate in sewage; Then sewage carries out autotrophic denitrification by the short distance nitration Anammox.
The objective of the invention is to solve by following solution: the municipal effluent short distance nitration of reinforcement energy recovery+Anammox nitrogen rejection facility is characterized in that: be provided with municipal effluent raw water box 1, biological adsorption reactor 2, second pond 3, intermediate water tank 4, sbr reactor device 5; Municipal effluent raw water box 1 is provided with upflow tube 1.1 and blow-down pipe 1.2; Municipal effluent raw water box 1 is connected with biological adsorption reactor 2 water inlet pipes by intake pump 2.1; Biological adsorption reactor 2 is for being divided into several lattice chambers, connects each lattice chambers according to the water (flow) direction flowing hole that is crisscross arranged up and down, be provided with air compressor machine 2.7, gas meter 2.6, air volume regulating valve 2.5, with aeration head 2.3; Biological adsorption reactor 2 is connected with second pond 3 by second pond pipe connecting 2.4; Second pond 3 is connected with biological adsorption reactor 2 water inlet pipes by sludge reflux pump 2.2; Second pond 3 rising pipes are connected with intermediate water tank 4; Intermediate water tank 4 is provided with upflow tube 4.1 and blow-down pipe 4.2; Intermediate water tank 4 is connected with sbr reactor device 5 water inlet pipes by SBR intake pump 5.1; Sbr reactor device 5 is provided with aeration head 5.4, agitator 5.5, mud valve 5.3 and water discharge valve 5.6.
The treatment scheme of municipal effluent in this device is: municipal effluent enters the biological adsorption reactor together with the second pond returned sluge, by the activated sludge absorption effect with the Adsorption of Organic in water to active sludge, thereby reach, organism in water is enriched to purpose in mud; The water outlet of biological adsorption reactor enters intermediate water tank and carries out the water quality and quantity adjusting; The sewage of intermediate water tank to the water inlet of sbr reactor device, utilizes organism remaining in mud and sewage as carbon source by sbr reactor device intake pump during intaking, and it is nitrogen with the nitrate-nitrogen reduction in the sbr reactor device that denitrification occurs; Then sbr reactor device hypoxemia operation is NO with the part mineralized nitrogen - 2-N, then with anoxia stirring operation, by the Anammox effect with ammonia nitrogen and NO - 2-N is converted into nitrogen; Hypoxemia/anoxic alternate run again, repeat above effect subsequently; Finally reach the purpose that nitrogen is removed from sewage.
The concrete startup of the municipal effluent short distance nitration of reinforcement energy recovery+Anammox denitrogenation method is as follows with the regulation and control step:
1) startup system: inoculation municipal wastewater treatment plant active sludge adds to biological adsorption reactor 2, makes sludge concentration reach 1500-4000mg/L; With short distance nitration mud with add to sbr reactor device 5 after Anammox mud mixes, making aerobic ammonia oxidation speed and Anammox speed ratio is 0.8:1-1.2:1, and makes sludge concentration reach 3000-6000mg/L; Simultaneously add Powdered Activated Carbon 500-2000mg/L to sbr reactor device 5;
When 2) moving, adjustment operation is as follows:
2.1) biological adsorption reactor 2 return sludge ratios are controlled at 50-100%; The aerobic zone Dissolved Oxygen concentration Control is at 0.5-2.0mg/L; The hydraulic detention time HRT of this reactor 2 is controlled at 20-60min; Sludge age is controlled at 1-3 days;
2.2) sbr reactor device 5 operation scheme are, at first 10-30min is stirred in water inlet simultaneously, then for stirring 15-30min, hypoxemia replaces with anoxia stirring 10-90min, adjust aeration rate and make dissolved oxygen concentration be 0.15-0.3mg/L when hypoxemia stirring for the first time, keep aeration rate constant when then hypoxemia stirs; Finish aeration when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs; Anoxia stirring 10-90min more at last, quiescent setting 5-60min then is at last by the water discharge valve draining;
2.3) sbr reactor device 5, if nitrous acid oxygen nitrogen concentration when anoxia stirring finishes〉0.5mg/L, increase the anoxia stirring time, until nitrous acid oxygen nitrogen concentration<0.5mg/L.
The municipal effluent autotrophic denitrification method of energy recovery in enhanced sewage of the present invention, compare with existing traditional biological denitrification process and have following advantage:
1) by the sludge absorption effect with organism enrichment in sewage, lowly as far as possible utilize the organism in sewage to produce energy substance methane, thereby improve the rate of recovery of energy in sewage.
2) hypoxia short distance nitrated with Anammox alternate run repeatedly, reduce reactor nitrite concentration, thereby avoided the anaerobic ammonia oxidizing bacteria activity to be suppressed.
3) the nitrated reduction that can realize aeration rate of hypoxia short distance, thus the Sewage Plant energy consumption reduced.
4) short distance nitration Anammox autotrophic denitrification with inorganic carbon as carbon source, simultaneously in the anaerobic ammonia oxidizing bacteria metabolic process without N 2O generates, so the greenhouse gas emission of this technique is few.
Description of drawings
Fig. 1 is the structural representation of the present invention's municipal effluent short distance nitration of strengthening energy recovery+Anammox nitrogen rejection facility.
In figure, 1 is that municipal effluent raw water box, 2 is that biological adsorptive reactor, 3 is that second pond, 4 is that intermediate water tank, 5 is the sbr reactor device; 1.1 be upflow tube, 1.2 is blow-down pipe; 2.1 be biological adsorptive reactor intake pump, 2.2 is biological adsorptive reactor return sludge pump, 2.3 is aeration head, and 2.4 is the second pond pipe connecting, and 2.5 is air volume regulating valve, and 2.6 is gas meter, and 2.7 is air compressor machine; 3.1 be biological adsorptive reactor returned sluge tube valve, 3.2 is the shore pipe valve; 4.1 be upflow tube, 4.2 is blow-down pipe; 5.1 be the SBR intake pump, 5.2 is sbr reactor device water inlet pipe valve, 5.3 is the spoil disposal pipe valve, and 5.4 is aeration head, and 5.5 is agitator, and 5.6 is water discharge valve.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples: strengthen as shown in Figure 1 the municipal effluent short distance nitration of energy recovery+Anammox nitrogen rejection facility and be provided with municipal effluent raw water box 1, biological adsorption reactor 2, second pond 3, intermediate water tank 4, sbr reactor device 5; Municipal effluent raw water box 1 is provided with upflow tube 1.1 and blow-down pipe 1.2; Municipal effluent raw water box 1 is connected with biological adsorption reactor 2 water inlet pipes by intake pump 2.1; Biological adsorption reactor 2 is for being divided into several lattice chambers, connects each lattice chambers according to the water (flow) direction flowing hole that is crisscross arranged up and down, be provided with air compressor machine 2.7, gas meter 2.6, air volume regulating valve 2.5, with aeration head 2.3; Biological adsorption reactor 2 is connected with second pond 3 by second pond pipe connecting 2.4; Second pond 3 is connected with biological adsorption reactor 2 water inlet pipes by sludge reflux pump 2.2; Second pond 3 rising pipes are connected with intermediate water tank 4; Intermediate water tank 4 is provided with upflow tube 4.1 and blow-down pipe 4.2; Intermediate water tank 4 is connected with sbr reactor device 5 water inlet pipes by SBR intake pump 5.1; Sbr reactor device 5 is provided with aeration head 5.4, agitator 5.5, mud valve 5.3 and water discharge valve 5.6.
Test adopts Beijing University of Technology's dependents' district sanitary sewage as former water, and concrete water quality is as follows: COD concentration is 110-230mg/L; NH+ 4-N concentration is 63-94mg/L, NO-2-N≤0.5mg/L, NO-3-N≤0.5mg/L.Pilot system as shown in Figure 1, each reactor all adopts synthetic glass to make, biological adsorption reactor effective volume is 16L, is divided into 2 lattice chambers; Sbr reactor device useful volume is 12L.
Concrete operation is as follows:
1) startup system: inoculation municipal wastewater treatment plant active sludge adds to biological adsorption reactor 2, makes sludge concentration reach 2500mg/L; With short distance nitration mud with add to sbr reactor device 5 after Anammox mud mixes, making aerobic ammonia oxidation speed and Anammox speed ratio is 0.8:1-1.2:1, and makes sludge concentration reach 5000mg/L; Simultaneously add Powdered Activated Carbon 500mg/L to sbr reactor device 5;
When 2) moving, adjustment operation is as follows:
2.1) biological adsorption reactor 2 return sludge ratios are controlled at 50%; The aerobic zone Dissolved Oxygen concentration Control is at 0.5-2.0mg/L; The hydraulic detention time HRT of this reactor 2 is controlled at 60min; Sludge age is controlled at 2-3 days;
2.2) sbr reactor device 5 operation scheme are, at first 10min is stirred in water inlet simultaneously, then for hypoxemia stirs 15min and anoxia stirring 90min alternately, adjust aeration rate and make dissolved oxygen concentration be 0.15-0.3mg/L when hypoxemia stirs for the first time, when then hypoxemia stirs, the maintenance aeration rate is constant; Finish aeration when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs; Anoxia stirring 90min more at last, quiescent setting 30min then is at last by the water discharge valve draining;
2.3) sbr reactor device 5, if nitrous acid oxygen nitrogen concentration when anoxia stirring finishes〉0.5mg/L, increase the anoxia stirring time, until nitrous acid oxygen nitrogen concentration<0.5mg/L.
Test-results shows: after stable, biological adsorption reactor effluent COD concentration is 40-60mg/L, NH+ 4-N concentration 45-78mg/L, and NO-2-N concentration is 0.1-3.0mg/L, NO-3-N concentration 0.1-1.5mg/L; Short distance nitration anaerobic ammonia oxidation reactor effluent COD concentration is 35-65mg/L, NH+ 4-N concentration 1-11mg/L, and NO-2-N concentration is 0-1.5mg/L, NO-3-N concentration 1.0-6.5mg/L, TN is lower than 15mg/L.

Claims (1)

1. the municipal effluent short distance nitration of strengthening energy recovery+Anammox denitrogenation method, it is characterized in that, use as lower device: be provided with municipal effluent raw water box (1), biological adsorption reactor (2), second pond (3), intermediate water tank (4), sbr reactor device (5); Municipal effluent raw water box (1) is provided with upflow tube (1.1) and blow-down pipe (1.2); Municipal effluent raw water box (1) is connected with biological adsorption reactor (2) water inlet pipe by intake pump (2.1); Biological adsorption reactor (2) is divided into several lattice chambers, connects each lattice chambers according to the water (flow) direction flowing hole that is crisscross arranged up and down, be provided with air compressor machine (2.7), gas meter (2.6), air volume regulating valve (2.5), with aeration head (2.3); Biological adsorption reactor (2) is connected with second pond (3) by second pond pipe connecting (2.4); Second pond (3) is connected with biological adsorption reactor (2) water inlet pipe by sludge reflux pump (2.2); Second pond (3) rising pipe is connected with intermediate water tank (4); Intermediate water tank (4) is provided with upflow tube (4.1) and blow-down pipe (4.2); Intermediate water tank (4) is connected with sbr reactor device (5) water inlet pipe by SBR intake pump (5.1); Sbr reactor device (5) is provided with aeration head (5.4), agitator (5.5), mud valve (5.3) and water discharge valve (5.6);
The step of method is:
1) startup system: inoculation municipal wastewater treatment plant active sludge adds to biological adsorption reactor (2), makes sludge concentration reach 1500-4000mg/L; With short distance nitration mud with add to sbr reactor device (5) after Anammox mud mixes, making aerobic ammonia oxidation speed and Anammox speed ratio is 0.8:1-1.2:1, and makes sludge concentration reach 3000-6000mg/L; Simultaneously add Powdered Activated Carbon 500-2000mg/L to sbr reactor device (5);
When 2) moving, adjustment operation is as follows:
2.1) biological adsorption reactor (2) return sludge ratio is controlled at 50-100%; The aerobic zone Dissolved Oxygen concentration Control is at 0.5-2.0mg/L; The hydraulic detention time HRT of this reactor (2) is controlled at 20-60min; Sludge age is controlled at 1-3 days;
2.2) sbr reactor device (5) operation scheme is, at first 10-30min is stirred in water inlet simultaneously, then for stirring 15-30min, hypoxemia replaces with anoxia stirring 10-90min, adjusting aeration rate when hypoxemia for the first time stirs, to make dissolved oxygen concentration be 0.15-0.3mg/L, keeps aeration rate constant when then hypoxemia stirs; Finish aeration when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs; Anoxia stirring 10-90min more at last, quiescent setting 5-60min then is at last by the water discharge valve draining;
2.3) sbr reactor device (5), if nitrous acid oxygen nitrogen concentration when anoxia stirring finishes〉0.5mg/L, increase the anoxia stirring time, until nitrous acid oxygen nitrogen concentration<0.5mg/L.
CN2013100006535A 2013-01-02 2013-01-02 Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation Active CN103058461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013100006535A CN103058461B (en) 2013-01-02 2013-01-02 Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013100006535A CN103058461B (en) 2013-01-02 2013-01-02 Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation

Publications (2)

Publication Number Publication Date
CN103058461A CN103058461A (en) 2013-04-24
CN103058461B true CN103058461B (en) 2013-11-06

Family

ID=48101399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013100006535A Active CN103058461B (en) 2013-01-02 2013-01-02 Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation

Country Status (1)

Country Link
CN (1) CN103058461B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626573B (en) * 2019-01-15 2022-12-27 青岛大学 Method for enhancing denitrification performance of municipal sewage SPNA system by biological addition

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103241903B (en) * 2013-05-22 2014-05-14 北京工业大学 Device and method for treating low-carbon nitrogen sewage in synchronous anaerobic ammonia oxidation and anaerobic methane oxidation mode
CN104556372B (en) * 2013-10-11 2017-04-26 中国石油化工股份有限公司 Method for adsorption separation of organic matters by residual sludge
CN103833185B (en) * 2014-03-10 2015-03-04 北京工业大学 Energy recovery-based landfill leachate autotrophic nitrogen removal method
CN104058551B (en) * 2014-04-12 2015-12-30 北京工业大学 A kind of municipal effluent autotrophic denitrification bioremediation of efficient energy-saving and device
CN104058555B (en) * 2014-07-08 2015-12-02 中国市政工程华北设计研究总院有限公司 Based on low ratio of carbon to ammonium municipal effluent denitrification system and the treatment process of Anammox
CN104609660B (en) * 2015-01-15 2016-04-06 同济大学 The sewage water treatment method of a kind of efficient energy-saving energy-consumption and resource reclaim
CN104961233B (en) * 2015-06-18 2017-03-01 北京工业大学 Adjust the device and method that coupling intermittent aerating starts municipal sewage short distance nitration using dissolved oxygen
CN105000753A (en) * 2015-07-08 2015-10-28 济南大学 Device and method for recovering nitrogen and phosphorus in sewage and improving biological productivity of microalgae
CN105712584B (en) * 2016-04-10 2019-02-15 北京工业大学 It is segmented denitrogenation method and device that short distance nitration merges Anammox synchronization process farm biogas slurry waste water and municipal sewage
CN106830573B (en) * 2017-04-07 2020-03-13 北京工业大学 Low-energy-consumption urban sewage denitrification method based on enhanced carbon capture and anaerobic ammonia oxidation
CN107879471B (en) * 2017-11-09 2021-04-06 北京建筑大学 Whole-process autotrophic nitrogen removal process and device
CN109607955B (en) * 2018-12-29 2021-10-29 厦门溢盛环保科技有限公司 Water quantity regulation and control synchronous autotrophic nitrogen removal method
CN109607769B (en) * 2019-01-15 2022-12-27 青岛大学 Optimized starting method for municipal sewage SPNA process
CN111362514B (en) * 2020-04-02 2022-07-29 西安建筑科技大学 Anaerobic fermentation liquid advanced treatment system and method
CN114684925B (en) * 2020-12-30 2023-03-24 中国石油化工股份有限公司 Short-cut nitrification treatment method for ammonia-containing wastewater
CN115571982A (en) * 2022-10-08 2023-01-06 中国电建集团华东勘测设计研究院有限公司 Biological denitrification method of bacteria-algae symbiotic system based on pH and DO control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6863816B2 (en) * 2002-06-17 2005-03-08 Dharma Living Systems, Inc. Tidal vertical flow wastewater treatment system and method
CN102557360A (en) * 2012-03-02 2012-07-11 北京工业大学 Enhanced sewage denitrification and dephosphorization system exploiting and utilizing carbon source in sludge in situ and enhanced sewage denitrification and dephosphorization method exploiting and utilizing carbon source in sludge in situ
CN102531174B (en) * 2012-03-02 2014-02-19 北京工业大学 Method for reducing amount of sludge of improved sewage factory and performing low-carbon-consumption denitrification
CN102786142A (en) * 2012-07-24 2012-11-21 北京工业大学 Device and method for partial nitrosation of low carbon municipal sewage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109626573B (en) * 2019-01-15 2022-12-27 青岛大学 Method for enhancing denitrification performance of municipal sewage SPNA system by biological addition

Also Published As

Publication number Publication date
CN103058461A (en) 2013-04-24

Similar Documents

Publication Publication Date Title
CN103058461B (en) Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation
CN103588352B (en) Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage
CN106830324B (en) Sectional water inlet A2Device and method for enhancing biological nitrogen and phosphorus removal by adopting/O (oxygen/phosphorus) process
CN102557356B (en) Process and method for denitrification and phosphorus removal of municipal sewage by half shortcut nitrification and anaerobic ammonium oxidation
CN104556376B (en) The municipal sewage biological phosphate-eliminating autotrophic denitrification method of nitrite is provided based on short-cut denitrification
CN103086568B (en) Continuous flow urban sewage partial nitrification and anaerobic ammonia oxidation denitrification method
CN102583885B (en) Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation
CN107162193B (en) Device and method for treating domestic sewage by low-oxygen nitrification coupled with short-range denitrification anaerobic ammonia oxidation
CN101628772B (en) Short distance denitrifying dephosphatation double-sludge technique taking granular sludge as medium and device thereof
CN105540846B (en) The application method of low carbon source urban sewage improvement UCT autotrophic denitrification dephosphorization apparatus
CN105384247B (en) It is a kind of that the method that part denitrification couples Anammox denitrogenation is realized by A/O biomembrane process
CN104058551B (en) A kind of municipal effluent autotrophic denitrification bioremediation of efficient energy-saving and device
CN104529056B (en) A kind of floc sludge and granule sludge symbiosis realize the method for municipal effluent autotrophic denitrification
CN103601341A (en) SBR (Sequencing Batch Reactor) and SBBR (Sequencing Biofilm Batch Reactor) municipal sewage high-efficiency biological treatment method and device based on anaerobic ammonia oxidation
CN102101746A (en) Low-carbon urban sewage biological phosphorus removal and autotrophic biological nitrogen removal device and method
CN103663876B (en) The apparatus and method of anoxic/aerobic SBR+ Anammox+aerobic SBR art breading low C/N domestic sewage advanced denitrogenation
CN102583883B (en) Technology and method for treating urban sewage by sectional parallel anaerobic ammonia oxidation
CN104402165A (en) Apparatus and method for treating city sewage by coupling inner carbon source denitrification and anaerobic ammonium oxidation
CN103936149A (en) Control method and apparatus of deep denitrogenation processing system for high-ammonia-nitrogen high-organics wastewater
CN105692904A (en) Method and device for achieving integrated anaerobic ammonia oxidation autotrophic denitrification of urban sewage
CN103102044B (en) Method for strengthening autotrophic denitrification effect of urban sewage by using oxidation ditch
CN202542997U (en) Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage
CN104528933A (en) Method for realizing continuous-flow city sewage autotrophic nitrogen removal based on FNA treatment of sludge
CN112479362A (en) Device and method for treating municipal sewage by combining sludge fermentation with short-cut denitrification anaerobic ammonia oxidation
CN105712584A (en) Denitrification method and device for synchronously treating livestock farm biogas liquid wastewater and municipal sewage through combination of segmented partial nitrification and anaerobic ammonia oxidation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20201222

Address after: Room B405, standard workshop auxiliary building, Jinyang science and Technology Industrial Park, high tech Zone, Guiyang City, Guizhou Province

Patentee after: GUIZHOU ZHUXIN WATER AFFAIRS ENVIRONMENT INDUSTRY Co.,Ltd.

Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing

Patentee before: Beijing University of Technology

TR01 Transfer of patent right