CN202542997U - Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage - Google Patents
Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage Download PDFInfo
- Publication number
- CN202542997U CN202542997U CN2012200509658U CN201220050965U CN202542997U CN 202542997 U CN202542997 U CN 202542997U CN 2012200509658 U CN2012200509658 U CN 2012200509658U CN 201220050965 U CN201220050965 U CN 201220050965U CN 202542997 U CN202542997 U CN 202542997U
- Authority
- CN
- China
- Prior art keywords
- short distance
- regulating tank
- distance nitration
- half short
- anammox
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
本实用新型提供的半短程硝化/厌氧氨氧化城市污水脱氮除磷装置，属于污水生物处理技术领域，所述装置包括顺序串联的原水水箱、除有机物SBR反应器、第一调节水箱、半短程硝化SBR反应器、第二调节水箱和自养脱氮UASB反应器；将污泥按污泥龄分开，避免了异养菌的快速繁殖对自养脱氮菌群的影响，硝化系统采用半段短程硝化，使其更易稳定维持短程，保证硝化系统的亚硝化率，为系统脱氮稳定性提供保障。将厌氧氨氧化技术应于生活污水的深度脱氮处理中，使耗氧量与传统脱氮方式相比降低60%，并无需外加碳源，无需中和剂，实现了高效低能耗的城市污水处理。
The semi-short-range nitrification/ANAMMOX urban sewage denitrification and phosphorus removal device provided by the utility model belongs to the technical field of sewage biological treatment. Short-cut nitrification SBR reactor, second regulating water tank and autotrophic denitrification UASB reactor; the sludge is separated according to sludge age to avoid the influence of the rapid propagation of heterotrophic bacteria on the autotrophic denitrification flora. The nitrification system adopts semi Short-range nitrification makes it easier to maintain short-range stably, ensures the nitrification rate of the nitrification system, and provides guarantee for the stability of the system's denitrification. Applying anaerobic ammonium oxidation technology to the deep denitrification treatment of domestic sewage reduces oxygen consumption by 60% compared with traditional denitrification methods, without additional carbon sources and neutralizers, realizing a city with high efficiency and low energy consumption sewage treatment.
Description
Technical field
The utility model relates to the dirty water living creature processing technique field, relates in particular to a kind of half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus.
Background technology
The energy is strategic economic resources.Along with China's rapid economy development, demands for energy grows with each passing day.Municipal sewage treatment is one of energy-intensive industry, and in the running cost of the municipal sewage plant of routine, the electricity charge account for more than 1/3rd.And the aeration power consumption accounts for the 40%-50% of full factory of sewage work power consumption in the sewage biological treatment system.The increasingly stringent of WWT emission standard in recent years, and along with the raising of processing requirements, the energy consumption of sewage treatment process also improves thereupon.
Existing sewage work adopts the traditional biological denitrification process more, as carbon source, through denitrification nitric nitrogen is converted into nitrogen with organism, exists aeration time long, and processing efficiency is not high, problems such as working cost height.Therefore, the urban sewage treatment process of seeking high-efficiency low energy consumption seems more and more urgent.The discovery of anaerobic ammonia oxidizing bacteria provides an opportunity for the improvement of traditional denitrification dephosphorization technique, compares with the obvious advantagely with traditional denitrification process, need not additional carbon, compares with traditional technology and practices thrift 60% aeration rate, and greenhouse gas emissions are few.The research of Anammox sewage autotrophic denitrification technology at present has been successfully applied to high ammonia-nitrogen wastewater and has handled, and less relatively to the research of low ammonia nitrogen waste water autotrophic denitrification technology.
Therefore, need a urgent technical problem that solves to be exactly instantly: how can propose a kind of effective measures, to solve the problem that exists in the prior art; Make Anammox technology successful Application in the advanced nitrogen of sewage is handled through half short distance nitration/Anammox municipal effluent denitrification dephosphorization technique Treating Municipal Sewage; Adopt half short distance nitration technology, make nitrification more be prone to stably maintaining shortcut, have low oxygen-consumption; Need not additional carbon, need not plurality of advantages such as neutralizing agent.
The utility model content
The utility model technical problem to be solved provides a kind of half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus; It is high to adopt the denitrogenation of Anammox technology to solve the traditional technology aeration rate; Processing efficiency is low; Need additional carbon, problems such as working cost height have realized the municipal sewage treatment of high-efficiency low energy consumption.
In order to solve the problems of the technologies described above; The utility model provides a kind of half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus, comprises the placed in-line former water tank of order, organic matter removal sbr reactor device, first regulating tank, half short distance nitration sbr reactor device, second regulating tank and autotrophic denitrification UASB reactor drum; Wherein, said former water tank links to each other with organic matter removal sbr reactor device through intake pump; Organic matter removal sbr reactor device outlet valve links to each other with first regulating tank; First regulating tank links to each other with half short distance nitration sbr reactor device through intake pump; Half short distance nitration sbr reactor device outlet valve links to each other with second regulating tank; First regulating tank bottom is through surmounting pipe and link to each other with second regulating tank and being furnished with peristaltic pump adjusting flow; Sewage gets into autotrophic denitrification UASB reactor drum in final second regulating tank.
Further, said organic matter removal sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
Further, half short distance nitration sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
Further, said former water tank is a closed box, is provided with upflow tube and blow-down pipe.
Further, said first regulating tank is a closed box, is provided with upflow tube and blow-down pipe.
Further, said second regulating tank is a closed box, is provided with upflow tube and blow-down pipe.
Further, said self-supported denitrification reactor comprises triphase separator, vapor pipe, overflow weir and rising pipe.
To sum up; Half short distance nitration that the utility model provides/Anammox municipal effluent denitrification dephosphorization apparatus; Heterotrophic bacterium, ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria are divided in three independently in the system, are beneficial to the efficient operation of each system, the stability of assurance system operation.Mud is separated by sludge age, avoided the influence of the quick breeding of heterotrophic bacterium, aerobic bacteria and anerobes are separated avoided the restraining effect of oxygen, and then guarantee the high efficiency of anerobes anaerobic ammonia oxidizing bacteria to the autotrophic denitrification flora.
The Anammox technology should be made oxygen-consumption compare with traditional denitrogenation mode and reduce by 60%, and need not additional carbon in the advanced nitrogen of sewage handled, need not neutralizing agent.
The nitrification water inlet all is the former water behind the removal organism, is prone to improve the concentration of autotrophy nitrobacteria in this system.
Nitrification adopts half section short distance nitration, makes it more be prone to stably maintaining shortcut, guarantees the nitrosification rate of nitrification, for system's denitrogenation stability provides safeguard.This system need not on-Line Monitor Device and feedback assembly, and structure of reactor is simple.
Adopt the UASB reactor drum to cultivate anaerobic ammonia oxidizing bacteria and be easy to form granule sludge, the system of assurance has stronger biology and holds the ability of staying, and improves system's shock resistance.
Be rich in large amount of organic in the excess sludge of organic matter removal reactor drum discharging, can be used for producing methane, farthest realize the recycling of energy.Phosphorus content is higher in the excess sludge simultaneously, can further handle mud, realizes the recycling of phosphor resource.
Description of drawings
Fig. 1 is the structural representation of the utility model half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Structure iron as shown in Figure 1,1 is the sewage raw water box; 2 is organic matter removal sbr reactor device; 3 is first regulating tank; 4 is half short distance nitration sbr reactor device; 5 is second regulating tank; 6 is the second regulating tank ammonia nitrogen and nitrous concentration pump; 7 is autotrophic denitrification UASB reactor drum; Wherein 1.1 is sewage raw water box upflow tube, and 1.2 is blow-down pipe (first regulating tank is identical with former water tank structure with second regulating tank); 2.1 be intake pump, 2.2 is whisking appliance, 2.3 is stirring rake, and 2.4 is aeration head, and 2.5 is gas meter, and 2.6 is air pump, and 2.7 is the spoil disposal blow-down pipe, and 2.8 is water discharge valve (half short distance nitration sbr reactor device is identical with organic matter removal sbr reactor device structure); 7.1 be the self-supported denitrification reactor intake pump, 7.2 is thief hole, 7.3 is triphase separator, and 7.4 is overflow weir, and 7.5 is vapor pipe, and 7.6 is rising pipe.
Half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus comprises the placed in-line former water tank of order, organic matter removal sbr reactor device, first regulating tank, half short distance nitration sbr reactor device, second regulating tank, self-supported denitrification reactor; Organic matter removal sbr reactor device and half short distance nitration sbr reactor device are built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve; Former water tank, first regulating tank and second regulating tank are closed box, are provided with upflow tube and blow-down pipe; Self-supported denitrification reactor comprises triphase separator, vapor pipe, overflow weir and rising pipe.
Wherein, said former water tank links to each other with organic matter removal sbr reactor device through intake pump; Organic matter removal sbr reactor device outlet valve links to each other with first regulating tank; First regulating tank links to each other with half short distance nitration sbr reactor device through intake pump; Half short distance nitration sbr reactor device outlet valve links to each other with second regulating tank; First regulating tank bottom is through surmounting pipe and link to each other with second regulating tank and being furnished with peristaltic pump adjusting flow; Sewage gets into autotrophic denitrification UASB reactor drum in final second regulating tank.
The treatment scheme of municipal effluent in this device is: municipal effluent at first gets into organic matter removal sbr reactor device and accomplishes organic removal or absorption; With organism enrichment in the sewage in mud; Can produce methane fermentation to realize the recovery of energy to excess sludge, realize removal through the aerobic suction phosphorus of anaerobic phosphorus release simultaneously phosphor in sewage; The water outlet of organic matter removal sbr reactor device enters first regulating tank; The water inlet of half short distance nitration sbr reactor device is carried out half short distance nitration all from first regulating tank to sewage, and ammonia nitrogen in the water partly is converted into nitrite nitrogen, and water outlet enters second regulating tank; Sewage gets into the UASB reactor drum and realizes Anammox in final second regulating tank, reaches the purpose that nitrogen is removed from sewage.
Sewage water treatment method specifically may further comprise the steps:
The municipal effluent plant excess sludge is added to organic matter removal sbr reactor device, make sludge concentration MLSS=2500-5000mg/L in the reactor drum; The phase anaerobism stirs 10～30min weekly, aeration agitation 30～60min subsequently, the constant 50～300L/h of aeration rate; Sedimentation and drawing; The draining ratio is 20～60%, as organic matter removal sbr reactor device treating water COD < 80mg/>L, and nitrated rate < 5%; Water outlet P < during 1mg/>L, accomplishes the startup of SBR organic matter removal reactor drum; Water outlet enters first regulating tank;
Short distance nitration mud or municipal effluent plant excess sludge are added to half short distance nitration sbr reactor device, and sludge concentration is MLSS=2500-5000mg/L in the controlling reactor, weekly the phase through peristaltic pump with sewage from the first regulating tank suction reactor drum; Aeration agitation; Dissolved oxygen is 0.5～2mg/L in the controlling reactor, aeration 1.5h～3h, sedimentation and drawing; The draining ratio is 20～60%, as half short distance nitration sbr reactor device treating water NH
4 +-N:NO
2 -During-N=1:1～1:1.3, accomplish the startup of half short distance nitration sbr reactor device; Water outlet enters second regulating tank;
Anaerobic ammonium oxidation granular sludge or floc sludge are dropped into the UASB reactor drum, the NH in will intaking through the Anammox effect
4 +-N and NO
2 --N is converted into N
2The discharge system is as UASB reactor for treatment water NH
4 +-N concentration<1mgL, or NO
2 --N concentration<1mgL, the Start-up and Adjustment of completion UASB reactor drum;
After three sections reactor drums start success respectively; System's commencement of commercial operation; Organic matter removal sbr reactor device treating water enters first regulating tank; Half short distance nitration sbr reactor device treating water all enters second regulating tank from the device water outlet of organic matter removal sbr reactor and with treating water, and final sewage gets into the UASB reactor drum and realizes Anammox removal total nitrogen.
Concrete test water is taken from Beijing University of Technology's dependents' district sewage, and its water quality is following: COD190mg/L～289mg/L; NH
4 +-N 50mg/L～89mg/L; NO
2 --N<1mgL; NO
3 --N 0.12mg/L～1.0mg/L; P 4mg/L～7mg/L.Pilot system is as shown in Figure 1, and autotrophic denitrification UASB reactor drum adopts synthetic glass to process, and the reaction zone internal diameter is 6cm, and useful volume is 1.5L; Organic matter removal sbr reactor device useful volume is 10L, and short distance nitration sbr reactor device useful volume is 10L.
Concrete operation is following:
System starts:
1) the municipal effluent plant excess sludge is added to organic matter removal sbr reactor device, make sludge concentration MLSS=3500-5000mg/L in the reactor drum; The phase anaerobism stirs 20min weekly, aeration agitation 20min subsequently, and the constant 300L/h of aeration rate, sedimentation and drawing, the draining ratio is 40%.Move 8 cycles every day, and by the sludge concentration spoil disposal.After taming for 3 weeks, organic matter removal sbr reactor device treating water reach COD 90mg/L, and nitrated rate < 3%, < 1mg/>L accomplishes the startup of SBR organic matter removal reactor drum to water outlet P; Water outlet is entered first regulating tank.
2) short distance nitration mud is added to half short distance nitration sbr reactor device, sludge concentration is MLSS=3000-4500mg/L in the controlling reactor, weekly phase aeration agitation 1.5-2.5h; The interior dissolved oxygen of controlling reactor is constant to be 2mg/L; Sedimentation and drawing, the draining ratio is 60%, system SRT is 15d.Through continuous spoil disposal NOB is eluriated out reactor drum, through 30 days domestication, short distance nitration sbr reactor device treating water was NH
4 +-N:NO
2 --N=1:1～1:1.3 accomplishes the startup of half short distance nitration sbr reactor device; Water outlet enters second regulating tank.
3) adopt the artificial distribution, control NH in second regulating tank
4 +-N concentration 20mg/L, NO
2 --N concentration 26mg/L adds the necessary trace element of microorganism growth; Anaerobic ammonium oxidation granular sludge and floc sludge are dropped into the UASB reactor drum, start intake pump, through the sludge acclimatization of 40d, system successfully starts, the NH during the Anammox effect will be intake
4 +-N and NO
2 --N is converted into N
2The discharge system, UASB reactor for treatment water NH
4 +-N concentration<1mgL, or NO
2 --N concentration<1mgL.
System's operation debugging:
After three sections reactor drums start success respectively; System's commencement of commercial operation; Organic matter removal sbr reactor device treating water enters first regulating tank; Half short distance nitration sbr reactor device treating water enters second regulating tank, and final sewage gets into the UASB reactor drum and realizes Anammox, wherein NH in half short distance nitration reactor drum water outlet
4 +-N, NO
2 -The concentration ratio of-N can be regulated through 6 water pumps not in 1:1～1:1.3 scope.
Test-results shows: after stable, the maximum nitrogen of self-supported denitrification reactor is removed speed and is about 1.0kgN/m
3D, treating water COD are 35-50mg/L, NH
4 +-N<3mgL, NO
2 --N<1mg/>L, P<1mgL.
The utility model half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus can be widely used in municipal effluent and other low ammonia nitrogen organic industrial sewages are handled.
More than half short distance nitration/Anammox municipal sewage denitrification dephosphorization apparatus that the utility model provided is described in detail; Used specific case herein the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the utility model.
Claims (7)
1. half short distance nitration/Anammox municipal effluent denitrification dephosphorization apparatus; It is characterized in that, comprise the placed in-line former water tank of order, organic matter removal sbr reactor device, first regulating tank, half short distance nitration sbr reactor device, second regulating tank and autotrophic denitrification UASB reactor drum; Wherein, said former water tank links to each other with organic matter removal sbr reactor device through intake pump; Organic matter removal sbr reactor device outlet valve links to each other with first regulating tank; First regulating tank links to each other with half short distance nitration sbr reactor device through intake pump; Half short distance nitration sbr reactor device outlet valve links to each other with second regulating tank; First regulating tank bottom is through surmounting pipe and link to each other with second regulating tank and being furnished with peristaltic pump adjusting flow; Sewage gets into autotrophic denitrification UASB reactor drum in final second regulating tank.
2. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that, said organic matter removal sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
3. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that, said half short distance nitration sbr reactor device is built-in with whipping appts, aeration head, gas meter, aeration pump, rising pipe and flowing water Valve.
4. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that said former water tank is a closed box, is provided with upflow tube and blow-down pipe.
5. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that said first regulating tank is a closed box, is provided with upflow tube and blow-down pipe.
6. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that said second regulating tank is a closed box, is provided with upflow tube and blow-down pipe.
7. half short distance nitration according to claim 1/Anammox municipal effluent denitrification dephosphorization apparatus is characterized in that said self-supported denitrification reactor comprises triphase separator, vapor pipe, overflow weir and rising pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200509658U CN202542997U (en) | 2012-02-16 | 2012-02-16 | Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200509658U CN202542997U (en) | 2012-02-16 | 2012-02-16 | Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202542997U true CN202542997U (en) | 2012-11-21 |
Family
ID=47163663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200509658U Expired - Lifetime CN202542997U (en) | 2012-02-16 | 2012-02-16 | Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202542997U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086511A (en) * | 2012-12-25 | 2013-05-08 | 北京工业大学 | Method for enhancing nitrogen and phosphorus removal of urban sewage by sludge fermentation |
| CN103214156A (en) * | 2013-04-01 | 2013-07-24 | 北京工业大学 | Surplus sludge fermenting and coupling denitrification device and method in condition of low dissolved oxygen |
| CN103663862A (en) * | 2013-11-25 | 2014-03-26 | 北京工业大学 | Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification |
| CN104085989A (en) * | 2014-07-15 | 2014-10-08 | 许建民 | Two-phase constant water level continuous flow SBR (Styrene Butadiene Rubber) reaction tank and process |
| CN104860471A (en) * | 2015-05-03 | 2015-08-26 | 北京工业大学 | Half partial nitrification and anaerobic ammonia oxidation combined process late landfill leachate denitrifying device and method |
| CN109110920A (en) * | 2018-09-17 | 2019-01-01 | 沈阳环境科学研究院 | A kind of SBR partial nitrification technique matching Anammox |
| CN109626574A (en) * | 2019-01-15 | 2019-04-16 | 青岛大学 | The device and method of two-stage SPNA denitrification process Treating Municipal Sewage |
-
2012
- 2012-02-16 CN CN2012200509658U patent/CN202542997U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086511A (en) * | 2012-12-25 | 2013-05-08 | 北京工业大学 | Method for enhancing nitrogen and phosphorus removal of urban sewage by sludge fermentation |
| CN103086511B (en) * | 2012-12-25 | 2014-03-26 | 北京工业大学 | Method for enhancing nitrogen and phosphorus removal of urban sewage by sludge fermentation |
| CN103214156A (en) * | 2013-04-01 | 2013-07-24 | 北京工业大学 | Surplus sludge fermenting and coupling denitrification device and method in condition of low dissolved oxygen |
| CN103663862A (en) * | 2013-11-25 | 2014-03-26 | 北京工业大学 | Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification |
| CN103663862B (en) * | 2013-11-25 | 2015-06-17 | 北京工业大学 | Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification |
| CN104085989A (en) * | 2014-07-15 | 2014-10-08 | 许建民 | Two-phase constant water level continuous flow SBR (Styrene Butadiene Rubber) reaction tank and process |
| CN104085989B (en) * | 2014-07-15 | 2015-12-02 | 许建民 | The permanent water level Continuous Flow sbr reactor pond of a kind of two-phase and technique |
| CN104860471A (en) * | 2015-05-03 | 2015-08-26 | 北京工业大学 | Half partial nitrification and anaerobic ammonia oxidation combined process late landfill leachate denitrifying device and method |
| CN109110920A (en) * | 2018-09-17 | 2019-01-01 | 沈阳环境科学研究院 | A kind of SBR partial nitrification technique matching Anammox |
| CN109110920B (en) * | 2018-09-17 | 2022-02-01 | 沈阳环境科学研究院 | SBR partial nitrosation process matched with anaerobic ammonia oxidation |
| CN109626574A (en) * | 2019-01-15 | 2019-04-16 | 青岛大学 | The device and method of two-stage SPNA denitrification process Treating Municipal Sewage |
| CN109626574B (en) * | 2019-01-15 | 2021-12-28 | 青岛大学 | Device and method for treating municipal sewage by two-stage SPNA denitrification process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102557356A (en) | Process and method for denitrification and phosphorus removal of municipal sewage by half shortcut nitrification and anaerobic ammonium oxidation | |
| CN108675450B (en) | A device and method for realizing high-efficiency and low-consumption nitrogen and phosphorus removal from urban sewage | |
| CN107032506B (en) | Device and method for treating domestic sewage through sectional effluent shortcut nitrification-Anammox/denitrification | |
| CN103058461B (en) | Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation | |
| CN103601341B (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 | |
| CN103420481B (en) | Anaerobic ammonia oxidized coupled heterotrophic denitrifying denitrification method | |
| CN202542997U (en) | Half shortcut nitrification/ anaerobic ammonia oxidation nitrogen and phosphorus removal device for urban sewage | |
| CN106186308B (en) | Integrated anaerobic ammonia oxidation granular sludge denitrification device and control method thereof | |
| CN201756490U (en) | Continuous-flow sewage low-oxygen short-range denitrification treatment device | |
| CN102180565B (en) | A method and device for enhancing biological denitrification of urban sewage | |
| CN104058551B (en) | A kind of municipal effluent autotrophic denitrification bioremediation of efficient energy-saving and device | |
| CN109574218B (en) | Device and method for treating late landfill leachate through shortcut nitrification-fermentation/denitrification-anaerobic ammonia oxidation process | |
| CN102583885A (en) | Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation | |
| CN102344197B (en) | Method for rapidly starting anaerobic ammonium oxidation reactor | |
| CN104402165A (en) | Apparatus and method for treating city sewage by coupling inner carbon source denitrification and anaerobic ammonium oxidation | |
| CN108217939B (en) | Starting method for treating high ammonia nitrogen wastewater by using anoxic-aerobic moving bed biofilm reaction system | |
| CN106186323A (en) | A kind of method starting integration short distance nitration anaerobic ammonia oxidation process | |
| CN102173504A (en) | Method for culturing shortcut nitrification granular sludge by combining dual inhibition of FA and FNA | |
| CN107265626A (en) | A kind of method for rapidly and efficiently taming short distance nitration sludge | |
| CN102531290B (en) | Method and device for sludge digestive fluid two-level biological denitrification | |
| CN106348444B (en) | A kind of quick start method of CANON denitrification process | |
| CN102583883B (en) | Technology and method for treating urban sewage by sectional parallel anaerobic ammonia oxidation | |
| CN108658229B (en) | Device and method for controlling autotrophic/heterotrophic deep denitrification process | |
| CN105541008A (en) | An efficient denitrifying and carbon-removing device for culture wastewater anaerobic biogas slurry with a low C/N ratio and a process thereof | |
| CN108383239A (en) | The integral biological treatment process of short distance nitration Anammox dephosphorization simultaneously under intermittent aerating pattern |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |