CN103588352B - Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage - Google Patents
Two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage Download PDFInfo
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Abstract
The invention discloses two-stage backflow simultaneous nitrogen and phosphorus removal device and technology for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation of municipal sewage, and belongs to the field of sewage treatment. Municipal sewage enters an anaerobic/anoxic reactor after passing through a regulating reservoir; phosphorus-accumulating bacteria finish storage and phosphorus release of polyhydroxybutyrate (PHB) by using inflow chemical oxygen demand (COD) under an anaerobic condition; phosphorus-rich supernatant enters inside a middle reservoir through a water decanter, and is injected into a moving bed membrane bioreactor by a lift pump after the water quantity is adjusted; autotrophic nitrogen removal of the shortcut nitrification and anaerobic ammonia oxidation is achieved by alternate operation of low-oxygen aeration and anoxic agitation; the processed effluent enters the anaerobic/anoxic reactor again under the action of a suction pump; denitrification phosphorus removal is achieved after phosphorus-accumulating sludge containing the PHB and autotrophic denitrification effluent containing nitrate nitrogen are mixed. Simultaneous nitrogen and phosphorus removal of low-carbon municipal sewage is achieved by using coupling of three functional microorganisms for denitrification phosphorus removal, shortcut nitrification and anaerobic ammonia oxidation, and the two-stage backflow simultaneous nitrogen and phosphorus removal device has the advantages of being high-efficiency and energy-efficient, stable to run, and low in sludge yield.
Description
Technical field
The present invention relates to the two-stage return-flow type synchronous denitrogen dephosphorus technology of a kind of municipal effluent denitrification dephosphorization and short distance nitration Anammox, belong to sewage treatment area.
Background technology
Along with the development of sewage disposal technology, the object of sewage disposal transfers not visible nitrogen phosphoric to by traditional organism visual contamination already and pollutes, and in sewage, organic role has also become the carbon source material that can be utilized from pollution substance.But organism is often inevitably degraded by the treatment process of traditional cities Sewage Plant in aeration tank, even front establishment method, do not make full use of organic value yet.
In recent years, a collection of novel bio-denitrifying sewage dephosphorization process obtains development energetically and application, such as synchronous nitration and denitrification technique, short-cut nitrification and denitrification technique, Full Autotrophic Ammonium Removal Process, anaerobic ammonia oxidation process and denitrifying phosphorus removal technique.The particularly research of Full Autotrophic Ammonium Removal Process, not only do not need adding of outer carbon source, but also liberated organic utilization in sewage, it is made need not to be only used as denitrifying carbon source, can also as the carrier of the energy, carry out anaerobically fermenting methane phase or utilized formation PHB to be stored in cell by polyP bacteria, and then carry out aerobic or anoxic suction phosphorus.
Traditional cities sewage disposal has the problem such as high energy consumption, stable water outlet difference, and the municipal sewage treatment that is applied as of these novel biological dinitrification dephosphorization process reduces energy consumption, minimizing expense and provides possibility.But for the reality of municipal effluent low ratio of carbon to ammonium, for reaching efficient Nitrogen/Phosphorus Removal, their application still exists some problems to be had to be solved.Therefore, in conjunction with the advantage of every biological denitrification phosphorous removal technique, make full use of the organic carbon source in former water, develop that structure is simple, working cost is low, treatment effect is good, can realize a new combined process of synchronous denitrification dephosphorizing, become the inevitable direction of municipal sewage treatment development.
Summary of the invention
The object of patent of the present invention is to propose a set of for low ratio of carbon to ammonium municipal effluent, in conjunction with the synchronous denitrogen dephosphorus technology of denitrification dephosphorization and short distance nitration Anammox.This technique is carried out biophase and is separated, denitrifying phosphorus removing bacteria and nitrifier and anaerobic ammonia oxidizing bacteria are separated, the organism made full use of in former water carries out the storage of anaerobic phosphorus release and PHB, then sewage carries out autotrophic denitrification by short distance nitration Anammox, denitrogenation water outlet be back to again detest/anoxic reacter carries out denitrifying phosphorus uptake, simultaneously for ensureing phosphor-removing effect, suitably carrying out aeration, thus realizing the efficient removal of nitrogen phosphorus.
For reaching efficient synchronous denitrification dephosphorizing effect, the municipal effluent denitrification dephosphorization that the present invention adopts and short distance nitration Anammox two-stage return-flow type synchronous denitrification dephosphorizing device, it is characterized in that, according to water (flow) direction, comprise connect successively sewage equalizing tank (1), detest/anoxic reacter (2), ceramic filter (3), moving-bed membrane bioreactor (MBMBR) (4); Sewage equalizing tank is provided with lift pump in (1); Detest/anoxic reacter in establish diving mixer, air bubble aerator, water decanter (13), be also provided with shore pipe, rising pipe simultaneously; Ceramic filter (3) inside is provided with lift pump (12), also arranges diving mixer and air bubble aerator in moving-bed membrane bioreactor (MBMBR) (4); Membrane module (5) by suction pump (8) with detest/anoxic reacter (2) and be communicated with, all air bubble aerators are connected with gas blower by respective gas circuit valve.Moving-bed membrane bioreactor (MBMBR) (4) are divided into floating stuffing district and membrane filtration exhalant region, arrange perforation partition wall with separating filler, ensure outlet effect between floating stuffing district and membrane filtration exhalant region, and provide convenience for the maintenance of membrane module in the future.Floating stuffing district is the denitrogenation agent structure of this technique, the filler (11) that inside adds is enriched with ANAMMOX bacterium, hypoxemia runs, realize short distance, anoxia stirring, utilize Anammox effect to carry out denitrogenation, and membrane module (5), suction pump (8), diving mixer and air bubble aerator are set.Moving-bed membrane bioreactor (4) inner membrane member (5) preferably adopts External Pressure Type polyethylene hollow fiber membrane, and membrane pore size is 0.1 μm, acts on water outlet by suction pump 8, and vacuum meter 14 detects water outlet working pressure.
The municipal effluent denitrification dephosphorization that the present invention adopts and short distance nitration Anammox two-stage return-flow type synchronous denitrification dephosphorizing device carry out the method for denitrogenation dephosphorizing, it is characterized in that, comprise the following steps:
1), the domestication of mud and the biofilm of filler
Detest/anoxic reacter in inoculate the denitrification dephosphorization active sludge of denitrification dephosphorization enrichment system, after denitrification dephosphorization activated sludge acclimatization, concentration is 1500-4000mg/L; In moving-bed membrane bioreactor (4), nitrifying sludge is the omnidistance mud of short distance nitration mud or municipal wastewater treatment plant, realizes short distance effect; In moving-bed membrane bioreactor (4), the packing volume of Anammox function yeast filler is than being 30%-50%, preferably comes from the biofilm filler of Anammox enrichment system;
2), first municipal effluent enters sewage equalizing tank (1), equilibrium water amount water quality, open the lift pump in sewage equalizing tank (1) again, lift pump is intake with peak flow, within the shortest time, make to detest/anoxic reacter water (2) position rises to the highest, and control lift pump by fluid level controller and stop; Simultaneously during water inlet, the diving mixer in/anoxic reacter (2) is detested in unlatching, carry out the abundant mixing of the polyP bacteria mud in municipal effluent and detesting/anoxic reacter, under this anaerobic condition, polyP bacteria utilizes the organism in former water carry out the storage of PHB and release phosphorus, after anaerobism stirs 70-120min, closes diving mixer, detest/anoxic reacter carries out precipitation water outlet, and the water outlet of being rich in ammonia nitrogen and phosphorus enters into ceramic filter (3) by water decanter; The setting of ceramic filter be in order to ensure to detest/balance of anoxic reacter and the moving-bed membrane bioreactor water yield and stable being connected.
3), open the lift pump that ceramic filter (3) is inner, by ceramic filter to moving-bed membrane bioreactor (4) interior water filling, open moving-bed membrane bioreactor (4) diving mixer simultaneously, stir 30-45min simultaneously, then the gas circuit valve of gas blower and moving-bed membrane bioreactor (4) is opened, sewage enters the hypoxemia blast aeration stage, by air bubble aerator to oxygenation in reactor, the ammonium oxidation in former water is made to be nitrite nitrogen, for ensureing short distance effect, reactor is in hypoxemia running status, control DO in reactor and be no more than 0.5mg/l, hypoxemia stirs 30-60min, after the low-oxygen aeration stage terminates, close gas circuit valve, reactor enters the anoxia stirring stage, anoxia stirring 30-120min, ANAMMOX bacterium in moving-bed membrane bioreactor (4) filler plays Anammox effect, and ammonia nitrogen and nitrite nitrogen are converted into nitrogen, again repeat above process subsequently, carry out hypoxemia/anoxic alternate run, when wherein first time, hypoxemia stirred, adjustment aeration rate makes dissolved oxygen concentration remain between 0.15-0.3mg/L, keeps aeration rate constant when hypoxemia stirs afterwards, when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs, namely terminate aeration, and then anoxia stirring 30-90min, finally open suction pump, by membrane module, interior for moving-bed membrane bioreactor (4) autotrophic denitrification effluent recycling is detested/anoxic reacter (2) to what be in idle state.
4), suction pump by membrane module (5) by interior for moving-bed membrane bioreactor (4) autotrophic denitrification effluent recycling to idle state detest/anoxic reacter (2) after, detest/anoxic reacter (2) anoxia stirring 160-210min, aerobic aeration 60-90min, finally by water discharge valve draining; Sludge age controls at 12-14d.
Further moving-bed membrane bioreactor (MBMBR) (4) membrane filtration exhalant region utilizes time controller to control start-stop and the working time of water outlet suction pump and gas circuit valve, realizes the alternate cycles of hypoxemia and anaerobic environment.By the accuracy of online DO, pH and ORP Controlling System, lay the foundation for the later stage reaches good and stable operating performance.
Utilize fluid level controller and time controller to control start-stop mode and the working time of the equipment such as inlet water lifting pumps and suction pump, realize anaerobism and anaerobic environment alternately; Online ORP and online pH monitoring reactor inner counter nitrification and phosphorus removal effect, control the unlatching of gas circuit valve simultaneously, utilizes the means of aerobic suction phosphorus to ensure the efficient removal of phosphor in sewage element.
Detest/anoxic reacter in phosphorous excess sludge regularly drain into sludge thickener by airlift pump, make it concentrate, subtract appearance, supernatant liquor returns equalizing tank, mixes carry out reprocessing with municipal effluent.
Detest/anoxic reacter (2) and realize organic matter degradation, anaerobic phosphorus release, denitrification dephosphorization and aerobic dephosphorization, moving-bed membrane bioreactor (4) realizes short distance nitration, Anammox.
Detest/anoxic reacter (2) to be connected with autotrophic denitrification effluent recycling pipe by ceramic filter (3) with moving-bed membrane bioreactor (4), form the circulation of a return-flow type, by lift pump (12) and suction pump (8), control sewage and circulate between two reactors.
Moving-bed membrane bioreactor (4) carries out hypoxemia/anoxic and runs to reach the object removed from sewage by nitrogen.Because Anammox effect can produce a part of nitric nitrogen, then in conjunction with unreacted nitrite nitrogen completely, for denitrifying phosphorus removing bacteria provides electron acceptor(EA).Therefore after autotrophic denitrification end of run, open water outlet suction pump, autotrophic denitrification water outlet is injected into be in the idle stage detest/anoxic reacter, open diving mixer simultaneously, to form anaerobic environment, carry out the denitrification dephosphorization of polyP bacteria, the anoxic condition of online ORP and online pH Real-Time Monitoring inside reactor, indirectly denitrifying phosphorus uptake effect in reflection reactor; For ensureing high efficiency and the stability of dephosphorization, after denitrification dephosphorization terminates, opening gas circuit valve, suitable aeration, carries out conventional aerobic suction phosphorus, makes it to reach efficient synchronous denitrification dephosphorizing effect.
1), the assembling of equipment and debugging
For reaching the treatment effect of expection, the installation and debugging of reactor and equipment thereof have critical effect.Therefore need according to the requirement of specification, by the diving mixer needed for technique, aerating system, inlet and outlet system, and Controlling System is in place, and before formal startup, carry out clean water experiment, the performance of inspection items of equipment, need detect the accuracy of online DO, pH and ORP Controlling System especially, lay the foundation for the later stage reaches good and stable operating performance.
2), the domestication of mud and the biofilm of filler
Before startup, detest/denitrification dephosphorization the active sludge of anoxic reacter inoculation denitrification dephosphorization enrichment system, sludge concentration is 1500-4000mg/L; The kind mud of short distance nitration mud is the omnidistance mud of municipal wastewater treatment plant, realizes short distance effect with on line real time control; Anammox function yeast comes from the biofilm filler of Anammox enrichment system, and its packing ratio is 30%-50%.
3), startup optimization and operation
After the biofilm of the assembling of equipment, the domestication of mud and filler completes, just can start the startup optimization of ready reaction device.Detest/anoxic reacter water inlet after, anaerobism stir 70-120min, precipitation water outlet, enter the idle stage.
4), the steady running of equipment
After reactor successfully starts, run by effluent quality index stable maintenance reactor, ensure that every operating parameter is stablized.Statistics reactor parameters rule, suitably regulates and controls according to raw water quality, the Effec-tive Function steady in a long-term of realization response device.
Municipal effluent, after equalizing tank, first enters and detests/anoxic reacter, and under anaerobic, polyP bacteria utilizes the COD in water inlet complete the storage of PHB and release phosphorus; Rich phosphorus supernatant liquor enters ceramic filter by water decanter, injects moving-bed membrane bioreactor, by low-oxygen aeration and anoxia stirring alternate run, realize short distance nitration Anammox autotrophic denitrification after regulating pondage by lift pump; Water outlet after process is under the effect of suction pump, again enter and detest/anoxic reacter, after the poly-phosphorus sludge being rich in PHB mixes with the autotrophic denitrification water outlet containing nitric nitrogen, realization take NO2/NO3 as the denitrification dephosphorization of electron acceptor(EA), and for ensureing phosphor-removing effect, can suitable aeration, carry out conventional aerobic suction phosphorus.Present invention utilizes the coupling of denitrification dephosphorization, short distance nitration and Anammox three kinds of functional microorganisms, thus achieve the synchronous denitrification dephosphorizing of low-carbon (LC) than municipal effluent, and have energy-efficient, the advantages such as stable and sludge yield is few.
Municipal effluent denitrification dephosphorization of the present invention and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology, have following advantage compared with existing traditional biological denitrification process:
1), patent of the present invention adopts biophase isolation technique, efficient coupling Denitrifying Phosphorus Removal Technology, short distance nitration technology and Anammox technology.In operational process, short distance nitration provides electron acceptor(EA) for Anammox, remaining nitration product coexists with Anammox product one again in Denitrifying Phosphorus Removal and obtains degraded, and the basicity that produces of Anammox and denitrification dephosphorization effectively balances again the basicity that short distance nitration consumes.
2), save organic carbon source and aeration rate, reduce the quantity discharged of excess sludge, reduce energy consumption, working cost is low.Patent of the present invention adopts preposition anaerobic zone, utilizes polyP bacteria anaerobic phosphorus release, and the feature of synthesis PHB, farthest make use of the organic carbon source in former water, avoid adding of outer carbon source; Anaerobic ammonia oxidizing bacteria and short distance nitration bacterium are autotrophic bacteria, are inorganic carbon source with CO2; Short distance nitration can save the aeration rate of 25% relative to complete nitrification, and the reaction of Anammox and denitrification dephosphorization is all without the need to the participation of oxygen; The feature that denitrifying phosphorus removing bacteria has " carbon is dual-purpose ", possesses the effect of denitrogenation and dephosphorization simultaneously; During this process operation, organic carbon source participates in less, greatly can reduce the discharge of excess sludge, reduces processing costs.
3), biological autotrophic denitrification is effective, and anaerobic ammoxidation activity is high.Moving-bed membrane bioreactor adopts hypoxia short distance nitrated with Anammox repeatedly alternate run mode, effectively prevent the accumulation of reactor nitrite, reduces the concentration of nitrite, thus avoid anaerobic ammonia oxidizing bacteria activity is suppressed.
4), outlet effect stablize, greenhouse gas emission is few.The present invention considers that autotrophic denitrification has certain nitrate products, utilizes denitrification dephosphorization to reduce total nitrogen in water body further, ensures that water outlet total nitrogen is up to standard, effect stability; Short distance nitration Anammox autotrophic denitrification with inorganic carbon as carbon source, simultaneously in anaerobic ammonia oxidizing bacteria metabolic process without N
2o generates, and therefore the greenhouse gas emission of this technique is few.
Accompanying drawing explanation
Fig. 1 is the plot plan of municipal effluent denitrification dephosphorization of the present invention and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology flow process;
In figure: 1 being equalizing tank, 2 being ceramic filter for detesting/anoxic reacter, 3,4 be moving-bed membrane bioreactor (MBMBR), 5 be membrane module, 6 be gas circuit valve, 7 be gas blower, 8 for suction pump, → be liquid flow path direction;
A-A ' the sectional view that Fig. 2 is the municipal effluent denitrification dephosphorization described in Fig. 1 and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology flow process;
In figure: 5 be membrane module, 6 be gas circuit valve, 7 be gas blower, 8 be suction pump, 9 be diving mixer, 10 be air bubble aerator, 11 be filler, 14 for vacuum meter;
Fig. 3 is the B-B ' sectional view of Fig. 1 municipal effluent denitrification dephosphorization and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology flow process;
In figure: 6 be gas circuit valve, 7 be gas blower, 9 be diving mixer, 10 be air bubble aerator, 12 be lift pump, 13 for water decanter;
Fig. 4 is the C-C ' sectional view of Fig. 1 municipal effluent denitrification dephosphorization and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology flow process;
In figure: 9 is that diving mixer, 12 is for lift pump.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, the present invention will be further described: as shown in Figure 1 municipal effluent denitrification dephosphorization and short distance nitration Anammox two-stage return-flow type synchronous denitrogen dephosphorus technology be provided with municipal effluent equalizing tank 1, detest/anoxic reacter 2, ceramic filter 3, moving-bed membrane bioreactor (MBMBR) 4, membrane module 5, gas circuit valve 6, gas blower 7, suction pump 8; Municipal effluent equalizing tank 1 is provided with water inlet pipe, lift pump 12; Detest/anoxic reacter 2 is provided with diving mixer, air bubble aerator, water decanter 13, shore pipe, rising pipe, autotrophic denitrification effluent recycling pipe; Ceramic filter 3 is provided with lift pump 12; Moving-bed membrane bioreactor 4 is provided with membrane module 5, suction pump 8, diving mixer 9, air bubble aerator 10, filler 11.Detest/anoxic reacter 2 is connected with autotrophic denitrification effluent recycling pipe by ceramic filter 3 with moving-bed membrane bioreactor 4, forms the circulation of a return-flow type, and by lift pump 12 and suction pump 8, control sewage and circulate between two reactors.
Open equalizing tank lift pump 12 simultaneously, detest/anoxic reacter in diving mixer, this stage detests/anoxic reacter 2 intakes, and within the as far as possible short time, makes the water level of reactor 2 rise to top water-level; After water inlet, anaerobism stirs 70-120min; After anaerobic reaction terminates, close diving mixer by time controller, detest/anoxic reacter carries out precipitation water outlet; Water outlet enters ceramic filter 3 by water decanter 13; When the water yield meets moving-bed membrane bioreactor reaction needed, open ceramic filter lift pump 12, and open MBMBR diving mixer simultaneously, quick water inlet stirs 30-45min simultaneously; Then open gas blower 7 and gas circuit valve, hypoxemia stirs 30-60min, and adjustment aeration rate makes dissolved oxygen concentration remain between 0.15-0.3mg/L; Gas blower 7 and gas circuit valve is closed afterwards, anoxia stirring 30-120min by time controller; Hypoxemia stirs and hockets with anoxia stirring, until when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs, namely terminate aeration; And then anoxia stirring 30-90min, finally open suction pump 8, by membrane module 5, autotrophic denitrification effluent recycling is detested/anoxic reacter 2 to what be in idle state; While suction pump 8 is opened, open A/A diving mixer 9, carry out anoxia stirring 160-210min; Then open gas circuit valve, carry out aerobic aeration 60-90min, finally by water discharge valve draining, and then complete a loop cycle.The operational mode of reactor unloading phase of being more than, during steady running, two reactors should run simultaneously, utilize the requirement of ceramic filter regulating pondage, to reach the maximum process water yield.Detest/water outlet of anoxic reacter precipitation after, regularly can open shore pipe, phosphorous excess sludge can drain into sludge thickener, and mud is concentrated at the bottom of pond, and supernatant liquor can return equalizing tank and carry out reprocessing.
Claims (5)
1. the method for a synchronous denitrification dephosphorizing, it is characterized in that, the device of employing comprise connect successively sewage equalizing tank (1), detest/anoxic reacter (2), ceramic filter (3), moving-bed membrane bioreactor (MBMBR) (4); Sewage equalizing tank is provided with lift pump in (1); Detest/anoxic reacter in establish diving mixer, air bubble aerator, water decanter (13), be also provided with shore pipe, rising pipe simultaneously; Ceramic filter (3) inside is provided with lift pump (12), also arranges diving mixer and air bubble aerator in moving-bed membrane bioreactor (MBMBR) (4); Membrane module (5) with detest/anoxic reacter (2) and be communicated with, all air bubble aerators are connected with gas blower by respective gas circuit valve; Moving-bed membrane bioreactor (MBMBR) (4) are divided into floating stuffing district and membrane filtration exhalant region, perforation partition wall is set between floating stuffing district and membrane filtration exhalant region with separating filler, the filler (11) that inside adds is enriched with ANAMMOX bacterium, and arranges membrane module (5), suction pump (8), diving mixer and air bubble aerator;
Comprise the following steps:
1), the domestication of mud and the biofilm of filler
Detest/anoxic reacter in inoculate the denitrification dephosphorization active sludge of denitrification dephosphorization enrichment system, after denitrification dephosphorization activated sludge acclimatization, concentration is 1500-4000mg/L; In moving-bed membrane bioreactor (4), nitrifying sludge is the omnidistance mud of short distance nitration mud or municipal wastewater treatment plant, realizes short distance effect; In moving-bed membrane bioreactor (4) filler, Anammox function yeast packing volume is than being 30%-50%;
2), first municipal effluent enters sewage equalizing tank (1), equilibrium water amount water quality, open the lift pump in sewage equalizing tank (1) again, lift pump is intake with peak flow, within the shortest time, make to detest/anoxic reacter water (2) position rises to the highest, and control lift pump by fluid level controller and stop; Simultaneously during water inlet, the diving mixer in/anoxic reacter (2) is detested in unlatching, carry out the abundant mixing of the polyP bacteria mud in municipal effluent and detesting/anoxic reacter, under this anaerobic condition, polyP bacteria utilizes the organism in former water carry out the storage of PHB and release phosphorus, after anaerobism stirs 70-120min, closes diving mixer, detest/anoxic reacter carries out precipitation water outlet, and the water outlet of being rich in ammonia nitrogen and phosphorus enters into ceramic filter (3) by water decanter;
3), open the lift pump that ceramic filter (3) is inner, by ceramic filter to moving-bed membrane bioreactor (4) interior water filling, open moving-bed membrane bioreactor (4) diving mixer simultaneously, stir 30-45min simultaneously, then the gas circuit valve of gas blower and moving-bed membrane bioreactor (4) is opened, sewage enters the hypoxemia blast aeration stage, by air bubble aerator to oxygenation in reactor, the ammonium oxidation in former water is made to be nitrite nitrogen, for ensureing short distance effect, reactor is in hypoxemia running status, control DO in reactor and be no more than 0.5mg/l, hypoxemia stirs 30-60min, after the low-oxygen aeration stage terminates, close gas circuit valve, reactor enters the anoxia stirring stage, anoxia stirring 30-120min, ANAMMOX bacterium in moving-bed membrane bioreactor (4) filler plays Anammox effect, and ammonia nitrogen and nitrite nitrogen are converted into nitrogen, again repeat above process subsequently, carry out hypoxemia/anoxic alternate run, when wherein first time, hypoxemia stirred, adjustment aeration rate makes dissolved oxygen concentration remain between 0.15-0.3mg/L, keeps aeration rate constant when hypoxemia stirs afterwards, when dissolved oxygen concentration rises to 0.5mg/L when hypoxemia stirs, namely terminate aeration, and then anoxia stirring 30-90min, finally open suction pump, by membrane module, interior for moving-bed membrane bioreactor (4) autotrophic denitrification effluent recycling is detested/anoxic reacter (2) to idle state,
4), suction pump by membrane module (5) by interior for moving-bed membrane bioreactor (4) autotrophic denitrification effluent recycling to idle state detest/anoxic reacter (2) after, detest/anoxic reacter (2) anoxia stirring 160-210min, aerobic aeration 60-90min, finally by water discharge valve draining; Sludge age controls at 12-14d.
2. according to the method for claim 1, it is characterized in that, moving-bed membrane bioreactor (4) inner membrane member (5) adopts External Pressure Type polyethylene hollow fiber membrane, membrane pore size is 0.1 μm, act on water outlet by suction pump (8), vacuum meter (14) detects water outlet working pressure.
3. according to the method for claim 1, it is characterized in that, moving-bed membrane bioreactor (MBMBR) (4) membrane filtration exhalant region utilizes time controller to control start-stop and the working time of water outlet suction pump and gas circuit valve, realize the alternate cycles of hypoxemia and anaerobic environment, by the accuracy of online DO, pH and ORP Controlling System.
4. according to the method for claim 1, it is characterized in that, utilize fluid level controller and time controller to control start-stop mode and the working time of the equipment such as inlet water lifting pumps and suction pump, realize anaerobism and anaerobic environment alternately; Online ORP and online pH monitoring reactor inner counter nitrification and phosphorus removal effect, control the unlatching of gas circuit valve simultaneously.
5., according to the method for claim 1, it is characterized in that, detest/anoxic reacter in phosphorous excess sludge regularly drain into sludge thickener by airlift pump, make it concentrated subtract appearance, supernatant liquor returns equalizing tank, mixes carry out reprocessing with municipal effluent.
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| CN111056705A (en) * | 2019-12-17 | 2020-04-24 | 福建中盟环保科技有限公司 | Efficient biological denitrification MBR (membrane bioreactor) equipment for treating high-concentration ammonia-nitrogen wastewater |
| CN112093896A (en) * | 2020-09-16 | 2020-12-18 | 中山大学 | Low-oxygen dynamic membrane integrated reactor for nitrogen and phosphorus removal of sewage and purification method |
| CN112110614B (en) * | 2020-10-12 | 2023-09-01 | 北京安国水道自控工程技术有限公司 | Low-carbon-nitrogen-ratio urban sewage efficient treatment system and method |
| CN112174450A (en) * | 2020-11-05 | 2021-01-05 | 四川绿水环保工程有限公司 | Sewage purification system and purification method |
| CN113845212B (en) * | 2021-10-18 | 2024-01-19 | 碧水源膜技术研究中心(北京)有限公司 | MBR integrated sewage purification device and method |
| CN115231696B (en) * | 2022-07-22 | 2023-12-19 | 知和环保科技有限公司 | Method for quickly starting shortcut nitrification |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| JP2003053387A (en) * | 2001-08-10 | 2003-02-25 | Kurita Water Ind Ltd | Method for biologically removing nitrogen |
| JP2005074253A (en) * | 2003-08-28 | 2005-03-24 | Kurita Water Ind Ltd | Biological treatment method for wastewater containing bod and nitrogen |
| JP2007190492A (en) * | 2006-01-19 | 2007-08-02 | Kurita Water Ind Ltd | Method and apparatus for treating nitrogen-containing wastewater |
| CN101293707A (en) * | 2008-06-20 | 2008-10-29 | 北京城市排水集团有限责任公司 | Apparatus and method for entire journey autotrophy denitrification of digested sludge dewatered liquid biomembrane |
| CN102101746A (en) * | 2011-01-11 | 2011-06-22 | 彭永臻 | Low-carbon urban sewage biological phosphorus removal and autotrophic biological nitrogen removal device and method |
| CN202072583U (en) * | 2011-03-09 | 2011-12-14 | 桂林理工大学 | Nitrogenous wastewater treatment device |
| CN102452768A (en) * | 2010-10-27 | 2012-05-16 | 中国科学院城市环境研究所 | Denitrifying phosphorus removal-anammox-shortcut nitrification integrated baffled reaction equipment |
-
2013
- 2013-09-03 CN CN201310395754.7A patent/CN103588352B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| JP2003053387A (en) * | 2001-08-10 | 2003-02-25 | Kurita Water Ind Ltd | Method for biologically removing nitrogen |
| JP2005074253A (en) * | 2003-08-28 | 2005-03-24 | Kurita Water Ind Ltd | Biological treatment method for wastewater containing bod and nitrogen |
| JP2007190492A (en) * | 2006-01-19 | 2007-08-02 | Kurita Water Ind Ltd | Method and apparatus for treating nitrogen-containing wastewater |
| CN101293707A (en) * | 2008-06-20 | 2008-10-29 | 北京城市排水集团有限责任公司 | Apparatus and method for entire journey autotrophy denitrification of digested sludge dewatered liquid biomembrane |
| CN102452768A (en) * | 2010-10-27 | 2012-05-16 | 中国科学院城市环境研究所 | Denitrifying phosphorus removal-anammox-shortcut nitrification integrated baffled reaction equipment |
| CN102101746A (en) * | 2011-01-11 | 2011-06-22 | 彭永臻 | Low-carbon urban sewage biological phosphorus removal and autotrophic biological nitrogen removal device and method |
| CN202072583U (en) * | 2011-03-09 | 2011-12-14 | 桂林理工大学 | Nitrogenous wastewater treatment device |
Non-Patent Citations (3)
| Title |
|---|
| Nitrogen removal via short-cut simultaneous nitrification and denitrification in an intermittently aerated moving bed membrane bioreactor;Shuai Yang等;《Journal of Hazardous Materials》;20110822(第195期);摘要，第2.1节，图1 * |
| 厌氧氨氧化和其他工艺的耦合反应;佟迪等;《辽宁化工》;20100430;第39卷(第4期);第387-390页 * |
| 移动床膜生物反应器同步硝化反硝化特性;杨帅等;《环境科学》;20090331;第30卷(第3期);第803-808页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745754A (en) * | 2017-03-13 | 2017-05-31 | 济南大学 | A kind of biofilter of Anammox coupling denitrification dephosphorization and operation method |
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