CN103435232B - AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater - Google Patents
AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and method for treating organic wastewater Download PDFInfo
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Abstract
The invention discloses an AABR (Anaerobic Baffled Reactor)-compound type MBR (Membrane Biological Reactor) integrated device and a method for treating organic wastewater. In order to realize standard-reaching treatment of organic wastewater with middle and high concentrations, the integrated device comprises a compound type MBR reaction tank provided with fillers and an MBR membrane assembly; the water outlet end of the compound type MBR reaction tank is communicated with a water production tank; the water inlet side of the compound type MBR reaction tank is provided with an AABR reaction tank communicated with a water inlet pipe; the AABR reaction tank comprises an anoxic section and multi-grade anaerobic tanks; the anoxic section and the multi-grade anaerobic tanks are internally provided with vertically-arranged baffle plates; the mud outlet end of the compound type MBR reaction tank is communicated with the anoxic section and a first-grade anaerobic tank respectively; the water inlet pipe is communicated with the anoxic section and the first-grade anaerobic tank in the multi-grade anaerobic tanks of the AABR reaction tank respectively. According to the AABR-compound type MBR integrated device, an ABR (Aerobic Baffled Reactor) is improved into an AABR and a form of a reversed A/A/O (Anaerobic/Anoxic/Oxic) nitrogen and phosphorus removal process is composed of the AABR and the compound type MBR reaction tank, so that organic matters with the middle and high concentrations are degraded and the nitrogen and phosphorus removal is also realized.
Description
Technical field
The present invention relates to technical field of sewage, particularly relate to a kind of " AABR-hybrid biosystem " integrated apparatus and the method for wastewater treatment that process organic wastewater.
Background technology
The built-in vertical deflector of ABR reactor, is separated into several reative cells of series connection by reactor, each reative cell is relatively independent upflow sludge blanket (UASB) system.Although constructively ABR can be regarded as the simple series connection of multiple UASB, technique has different significantly from single UASB, ABR is closer to pulling flow type technique.The microbiologic population adapted with the sewage quality flow in this reative cell, environmental condition can be inoculated and cultured out in each reative cell, thus cause the acid of anaerobic reaction product to be separated along journey with methanogenic phase mutually, be conducive to the activity giving full play to anaerobic bacteria flora, improve the treatment effect of system and the stability of operation.
Relative to other anaerobic reactors, it is simple that ABR has tectonic sieving, do not need expensive water inlet system and Gas-solid-liquid separater, and start easily, can the advantage such as forming property is different in different condition with compartment granule sludge.Therefore, the small investment of ABR method, operating cost is lower.
MBR membrane bioreactor is combined at activated sludge process and membrane separation technique, replaces the sewage disposal new method of second pond in traditional conventional activated sludge method with membrane separation technique.Have benefited from the high rejection of film, make to maintain higher sludge concentration in bioreactor, make the organic pollution content of water outlet drop to minimum, effectively can remove ammonia nitrogen, also very effective to the industrial wastewater of difficult degradation.In addition, also have can obtain high-quality water quality treatment, floor space little, be easy to install, many advantages such as operation is convenient.
MBR membrane bioreactor can be divided into separated type, integral type (immersion) and combined type according to process form classification.Wherein hybrid biosystem also belongs to submerged MBRs in form, simultaneously difference installs filler and membrane module additional in membrane biological reaction pond, thus formation combined film bioreactor, the increase of filler changes the proterties of membrane bioreactor partial sludge on the one hand, improve the removal efficiency to organic pollution, pre-filtered effect can be played, decelerating membrane pollution degree on the other hand to MBR membrane module.
ABR reactor and the common feature of membrane bioreactor (MBR) are that sludge retention time (SRT) is separated completely with hydraulic detention time (HRT), reactor volume is reduced greatly, disposal ability improves greatly, is a kind of rising energy-saving bioreaction technology.But due to the feature of ABR reactor and membrane bioreactor (MBR) self, " urban sewage reutilization urban reclaimed water water quality " (GB/T18920-2002) and " integrated wastewater discharge standard " (GB8978 1996) secondary standard is not reached for the effluent quality after the treatment of Organic Wastewater of middle and high concentration.
Summary of the invention
In order to realize the process up to standard of centering high concentrated organic wastewater, the present invention aims to provide a kind of AABR-hybrid biosystem integrated apparatus processing organic wastewater, ABR is carried out improvement composition anoxic-anaerobic baffled reaction tank (AABR) by this device, the form of inversion A/A/O denitrification dephosphorization technique is made up of again anoxic-anaerobic baffled reaction tank (AABR) and hybrid biosystem reaction tank, middle and high concentration of degrading is organic while, realize denitrogenation dephosphorizing.
To achieve these goals, the technical solution adopted in the present invention is:
Process AABR-hybrid biosystem integrated apparatus of organic wastewater, comprise hybrid biosystem reaction tank; The filler being positioned at water inlet end and the MBR membrane module be positioned on rear side of filler is provided with in described hybrid biosystem reaction tank; The water side and one of described hybrid biosystem reaction tank is produced pond and is communicated with; Its design feature is; The influent side of described hybrid biosystem reaction tank is provided with the AABR reaction tank be communicated with water inlet pipe, the anaerobism section be in series by multistage anaerobic pond that this AABR reaction tank comprises anoxic section and is communicated with the water side of anoxic section, the afterbody anaerobic pond in multistage anaerobic pond is communicated with described hybrid biosystem reaction tank; The vertical deflection plate arranged is equipped with in described anoxic section and anaerobic pond; The mud outlet end of described hybrid biosystem reaction tank is communicated with the first order anaerobic pond in multistage anaerobic pond with described anoxic section respectively by mud/mixed-liquor return pump, pipeline and valve; Described water inlet pipe is communicated with the first order anaerobic pond in multistage anaerobic pond with the anoxic section of described AABR reaction tank respectively.
Described inversion A/A/O technique is the sewage treatment process of the branch water inlet grown up on conventional A/A/O Process ba-sis, by anoxic pond is placed in before anaerobic pond, avoid in traditional A/A/O treatment process system, in backflow mixed liquor and returned sludge, a large amount of nitrate puts the impact of phosphorus process addicted to phosphorus bacterium on anaerobic pond.
Be below the technical scheme of further improvement of the present invention:
In order to make sewage fully mix with mixed liquor, Aerobic Pond returned sludge/mixed liquor in anoxic section, being provided with agitator in described anoxic section, being preferably arranged on the bottom of anoxic section.
Described filler is elastic filler, and the below of this elastic filler is provided with the elastic filler district aeration tube be positioned at bottom hybrid biosystem reaction tank; The MBR district aeration tube be positioned at bottom hybrid biosystem reaction tank is provided with below described MBR membrane module; Described elastic filler district aeration tube is connected with the air blast be arranged on outside hybrid biosystem reaction tank with MBR district aeration tube.Thus, independent aerating pipelines is configured respectively bottom described MBR membrane module bottom and elastic filler, MBR membrane module bottom carries out aeration, activated sludge is prevented to be attached on film surface in a large number and to make aquifer yield decline too fast, MBR membrane module bottom aerating pipelines except slowing down MBR fouling membrane, and provides part dissolved oxygen for the aerobic reaction in elastic filler district, front end.Elastic filler district, front end arranges aerating pipelines separately, by the start and stop of automatic dissolved oxygen instrument control aerator.
Described water inlet pipe is equipped with filter screen and valve, thus, adopts the mode of multipoint water feeding, automatically regulate by automatic regulating valve door and flow sensor the water yield entering anoxic section and anaerobism section.Water inlet pipe is installed and is not more than 30 object filter screens, prevent from, in large granular impurity access to plant, bottom anoxic section, submersible agitator being installed.Elastic filler is installed in hybrid biosystem reaction tank front end, and rear end is furnished with MBR membrane module.
According to embodiments of the invention, the two-stage anaerobic pond that described AABR reaction tank comprises an anoxic section and is communicated with the water side of anoxic section.
Described MBR membrane module is curtain hollow fiber film assembly.
Described anoxic section and MBR reaction tank are provided with blow-down pipe; Described multistage anaerobic pond is provided with collecting methane pipe.
Further, present invention also offers a kind of method utilizing the AABR of above-mentioned process organic wastewater-hybrid biosystem integrated apparatus to process organic wastewater, comprise the steps:
1) organic wastewater enters respectively through water inlet pipe in the first order anaerobism section in anoxic section and multistage anaerobic section, processes 4h-8h, in anaerobism section, process 12h ~ 24h in the anoxic section of dissolved oxygen≤0.5mg/L;
2) waste water after anoxic, Anaerobic Treatment enters in MBR reaction tank, process 15h ~ 20h in the MBR reaction tank that dissolved oxygen is 2mg/L-4mg/L after, supernatant drains into and produces pond, mud/mixed-liquor return is in the first order anaerobic pond in anoxic section and multistage anaerobic pond, and sludge age is 8d-20d.
Described MBR membrane module adopts the mode of continuous aeration, interval water outlet, by MBR reaction tank to producing pool water-pumping and stopping producing the time of pool water-pumping than being (7min-9min): (1.5min-2.5min); In described MBR reaction tank, bottom filler, gas-water ratio is 3-5:1, MBR membrane module bottom gas-water ratio is 16-20:1.
To have the AABR reaction tank of two-stage anaerobic section, the present invention will be further explained below:
AABR reaction tank is formed three compartments of connecting successively by arranging upper and lower deflection plate by the present invention in water (flow) direction, first compartment forms anaerobic environment by submersible agitator, second and third compartment is anaerobism section, forms anoxic-anaerobic baffled reaction tank (AABR) thus.Adopt the mode of multipoint water feeding, entered the water yield of anoxic section and anaerobism section by Valve controlling; Then waste water advances along the upper and lower baffling of deflector, enters anaerobism section, and microbial population, along different compartments's realization product acid of water (flow) direction and being separated of methanogenic phase, reaching two-phase or multiphase and runs in single reactor.Waste water through anaerobic reaction enters hybrid biosystem reaction tank, front suspension elastic filler by the gravity flow of AABR reaction tank, carries out part nitration reaction, and can tackle bulky grain suspension, alleviate follow-up MBR fouling membrane while removing COD; Rear end is MBR film reaction district, mainly carries out nitration reaction and removes COD further.Aspirated by self priming pump and obtain producing water inflow product pond.Hybrid biosystem reaction tank is furnished with mud/mixed-liquor return system, can distribute the mud/mixing liquid measure entering anoxic zone and anaerobic zone, thus reach the object of denitrogenation dephosphorizing.
Reaction tank is formed three compartments of connecting successively by the present invention in water (flow) direction by upper and lower deflection plate, first compartment forms anaerobic environment by submersible agitator, second and third compartment is anaerobism section, forms anoxic-anaerobic baffled reaction tank (AABR) thus.Anoxic section top arranges blow-down pipe, and anaerobism section top is firedamp drainage and collecting pipe.
The present invention forms the form of inversion A/A/O denitrification dephosphorization technique by anoxic-anaerobic baffled reaction tank (AABR) and hybrid biosystem reaction tank, middle and high concentration of degrading is organic while, achieves denitrogenation dephosphorizing.
Mud and mixed-liquor return are merged into a mud/mixed-liquor return pipe according to the feature of inversion A/A/O technique by the present invention, mud/the mixed liquor of mud/mixed-liquor return pump discharge can enter anaerobic zone by the anaerobic zone arm that refluxes, also anoxic zone can be entered by the anoxic zone arm that refluxes, every root arm is equipped with flow sensor and automatic regulating valve door, automatically can distributes the flow entering anaerobic zone and anoxic zone mud/mixed liquor.
The water inlet of each step of the present invention, filtration, backwash, aeration, sludge reflux are all automatic/hand two kinds of control modes and run.Emptying, spoil disposal is Non-follow control.
The present invention also has except possessing all advantages of conventional ABR and hybrid biosystem group technology:
(1) by improving, being made up of the form of inversion A/A/O denitrification dephosphorization technique anoxic-anaerobic baffled reaction tank (AABR) and hybrid biosystem reaction tank, middle and high concentration of degrading is organic while, reaching the object of denitrogenation dephosphorizing;
(2) mud return line and mixed-liquor return pipe are merged into a reflux line, bottom membrane biological reaction district with bottom elastic filler, configure aerating pipelines separately, and pass through the method optimizing aeration rate of variable frequency adjustment rotation speed of fan, thus decrease energy consumption.
Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts the mode of multipoint water feeding, automatically control by valve the water yield entering anoxic section and anaerobism section.Anoxic section is furnished with submersible agitator, and sewage is fully mixed with mixed liquor, Aerobic Pond returned sludge/mixed liquor in anoxic section; Then waste water advances along the upper and lower baffling of deflector, enters anaerobism section, and microbial population, along different compartments's realization product acid of water (flow) direction and being separated of methanogenic phase, reaching two-phase or multiphase and runs in single reactor.Waste water through anaerobic reaction enters hybrid biosystem reaction tank, front suspension elastic filler by the gravity flow of AABR reaction tank, carries out part nitration reaction, and can tackle bulky grain suspension, alleviate follow-up MBR fouling membrane while removing COD; Rear end is MBR film reaction district, mainly carries out nitration reaction and removes COD further.Aspirated by self priming pump and obtain producing water inflow product pond.MBR membrane module bottom carries out aeration, prevents activated sludge to be attached on film surface in a large number and that aquifer yield is declined is too fast, and provides part dissolved oxygen for the aerobic reaction in elastic filler district, front end.Elastic filler district, front end arranges aerating pipelines separately, by the start and stop of automatic dissolved oxygen instrument and Valve controlling aerator.Hybrid biosystem reaction tank is furnished with mud/mixed-liquor return system, can distribute the mud/mixing liquid measure entering anoxic zone and anaerobic zone, thus reach the object of denitrogenation dephosphorizing.
The present invention is particularly useful for the organic wastewater processing middle and high concentration.
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of one embodiment of the invention.
In the drawings
1-water inlet pipe, 2-filter screen, 3-anoxic section water inlet pipe, 4-anaerobism section water inlet pipe, 5-anoxic section, 6-submersible agitator, 7, 8-anaerobism, 9-hybrid biosystem reaction tank, 10-elastic filler, 11-MBR membrane module, 12-water producing pipe, 13-produces water pump, 14-backwashing pump, 15-backwash pipe, 16-mud/mixed-liquor return pump, 17-discharge pipeline, 18-anaerobic zone mud/mixed-liquor return pipe, 19-anoxic zone mud/mixed-liquor return pipe, 20-air blast, 21-elastic filler district aeration tube, 22-MBR district aeration tube, 23-produces pond, 24-anoxic zone blow-down pipe, 25-anaerobic zone collecting methane pipe, 26-aerobic zone blow-down pipe.
Detailed description of the invention
A kind of AABR-hybrid biosystem integrated apparatus processing middle and high concentration organic wastewater, as shown in Figure 1, adopt the mode of multipoint water feeding, control by the automatic valve on anoxic section water inlet pipe 3 and anaerobism section water inlet pipe 4 and flow sensor the water yield entering anoxic section 5 and anaerobism section 7.Anoxic section is furnished with submersible agitator 6, and sewage is fully mixed with mixed liquor, Aerobic Pond returned sludge/mixed liquor in anoxic section; Then waste water advances along the upper and lower baffling of deflector, successively gravity flow enter anaerobism section 7,8, hybrid biosystem reaction tank 9, hybrid biosystem reaction tank 9 front suspension elastic filler 10, carries out part nitration reaction while removing COD, and bulky grain suspension can be tackled, alleviate follow-up MBR fouling membrane; Rear end, for being furnished with MBR membrane module 11, mainly being carried out nitration reaction and removes COD further.Aspirated by self priming pump 13 and obtain producing water inflow product pond 23.Carry out aeration 22 bottom MBR membrane module 11, prevent activated sludge to be attached on film surface in a large number and that aquifer yield is declined is too fast, and provide part dissolved oxygen for the aerobic reaction in elastic filler district, front end.Elastic filler district, front end arranges separately aerating pipelines 21, by the start and stop of automatic dissolved oxygen instrument control aerator.Hybrid biosystem reaction tank 9 is furnished with mud/mixed-liquor return system, automatically can distribute the mud/mixing liquid measure entering anoxic zone 5 and anaerobic zone 7, thus reach the object of denitrogenation dephosphorizing.
The sludge concentration that hybrid biosystem reaction tank 9 is higher not only wins the nitrated required reaction volume of Aerobic Pond from fixing biochemical reaction pool volume, and the micro-environmental hypoxia of active pollution index inside makes nitrification and denitrification process just synchronously carry out in aeration time period, thus create condition for the nitric efficiency of further raising system.
Example one, the process water yield: certain Wastewater in Biologic Pharmacy 200m
3/ d.
Influent quality: COD:2000 ~ 2700mg/L, BOD:500 ~ 700mg/L, NH
3-N:130 ~ 160mg/L, TP:4 ~ 6mg/L, SS :≤200mg/L.
Design parameter: AABR reaction tank divides three compartments, the first compartment is anoxic section, and second and third compartment is anaerobism section.Each compartment volume is identical, is upper and lowerly decided to be 1:4 to stream room width ratio, and deflection plate knuckle is 45 °.Anoxic section time of staying 6h, anaerobism section time of staying 12h, hybrid biosystem reaction tank time of staying 16h.
Lectotype selection: submersible agitating acc power 0.3KW, MBR membrane module adopts curtain hollow fiber film assembly, model FP-A IV, elastic filler specification: φ 200 × 1500, blower power: 3kw, mud/mixed-liquor return pump power 2.2kw, produce pump power 3kw, backwashing pump power 1.5kw.
Service condition: take out and stop than 8min/2min, backwash cycle 1 time/10min, backwash time 30 ~ 60s.Anoxic section dissolved oxygen≤0.5mg/L, gas-water ratio 4:1 bottom elastic filler, dissolved oxygen 2 ~ 4mg/L, MBR membrane module bottom gas-water ratio 18:1, mud/return current ratio of the mixed liquid 200 ~ 300%, sludge age 8 ~ 20d.
Effluent quality: COD≤40mg/L, BOD≤20mg/L, NH3-N≤20mg/L, TP≤1mg/L, SS≤10mg/L.(GB/T18920-2002) standard that effluent quality reaches " urban sewage reutilization urban reclaimed water water quality ".
Power consumption: the power consumption of process one ton of water is about 0.97kw.h/m
3.
Example two, the process water yield: certain beet sugar manufacture waste water 1000m
3/ d.
Influent quality: COD:5000 ~ 6000mg/L, BOD:2000 ~ 2800mg/L, NH
3-N :≤50mg/L, SO
4 2-: 350 ~ 600mg/L, SS:1000 ~ 4000mg/L.
Design parameter: AABR reaction tank divides three compartments, the first compartment is anoxic section, and second and third compartment is anaerobism section.Each compartment volume is identical, is upper and lowerly decided to be 1:4 to stream room width ratio, and deflection plate knuckle is 45 °.Anoxic section time of staying 6h, anaerobism section time of staying 24h, hybrid biosystem reaction tank time of staying 20h.
Lectotype selection: submersible agitating acc power 1.5KW, MBR membrane module adopts curtain hollow fiber film assembly, model FP-A IV, elastic filler specification: φ 200 × 1500, blower power: 15kw, mud/mixed-liquor return pump power 4kw, produce pump power 12kw, backwashing pump power 5.5kw.
Service condition: take out and stop than 8min/2min, backwash cycle 1 time/10min, backwash time 30 ~ 60s.Anoxic section dissolved oxygen≤0.5mg/L, gas-water ratio 4:1 bottom elastic filler, dissolved oxygen 2 ~ 4mg/L, MBR membrane module bottom gas-water ratio 18:1, mud/return current ratio of the mixed liquid 100 ~ 200%, sludge age 8 ~ 20d.
Effluent quality: COD≤200mg/L, BOD≤100mg/L, NH
3-N≤20mg/L, SO
4 2-≤ 50mg/L, SS≤50mg/L.Secondary standard that effluent quality reaches " integrated wastewater discharge standard " (GB8978 1996).
Power consumption: the power consumption of process one ton of water is about 0.75kw.h/m
3.
Automatic control illustrates: equipment running process comprises into water, filtration, filtration stopping, backwash, standby.In running, except emptying, spoil disposal and MBR membrane module system, flood cleaning needs outside manual intervention, and other can run automatically, also can manual operation run.Operation interface adopts touch-screen.
MBR membrane filtration adopts continuous aeration, and the mode of interval water outlet, takes out and stop than 8min/2min, and flow sensor and autocontrol valve are installed in water producing pipe road, realizes constant flow and filters.Stop carrying out automatic clear water backwash, backwash time 30 ~ 60s during water outlet.
Ensure water producing pipe pressure <50kpa, otherwise water producing pipe automatic valve is closed, and whether artificial decision carries out online medicament backwash.
Air blast is VFC, can suitably reduce according to the change of dissolved oxygen or increase aeration rate, but aeration rate can not be 0.Blower fan can cause the cut out of water producing pipe automatic valve when stopping.
The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the present invention, and be not used in and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Claims (8)
1. utilize the method that the AABR-hybrid biosystem integrated apparatus of process organic wastewater processes organic wastewater, it is characterized in that, the AABR-hybrid biosystem integrated apparatus of described process organic wastewater comprises hybrid biosystem reaction tank (9); Be provided with the filler (10) being positioned at water inlet end in described hybrid biosystem reaction tank (9) and be positioned at the MBR membrane module (11) on rear side of filler (10); The water side and one of described hybrid biosystem reaction tank (9) is produced pond (23) and is communicated with; The influent side of described hybrid biosystem reaction tank (9) is provided with the AABR reaction tank be communicated with water inlet pipe (1), this AABR reaction tank comprise anoxic section (5) and be communicated with the water side of anoxic section (5) by multistage anaerobic pond (7,8) the anaerobism section be in series, afterbody anaerobic pond (8) in multistage anaerobic pond (7,8) is communicated with described hybrid biosystem reaction tank (9); The vertical deflection plate arranged is equipped with in described anoxic section (5) and anaerobic pond (7,8); The mud outlet end of described hybrid biosystem reaction tank (9) is communicated with the first order anaerobic pond (7) in described anoxic section (5) and multistage anaerobic pond (7,8) respectively by mud/mixed-liquor return pump (16), pipeline and valve; Described water inlet pipe (1) is communicated with the first order anaerobic pond (7) in the anoxic section (5) of described AABR reaction tank and multistage anaerobic pond (7,8) respectively; Described the method that organic wastewater processes to be comprised the steps:
1) organic wastewater enters anoxic section (5) and multistage anaerobic section (7 respectively through water inlet pipe (1), 8) in the first order anaerobism section (7) in, 4h-8h is processed, process 12h-24h in anaerobism section (7,8) in the anoxic section (5) of dissolved oxygen≤0.5mg/L;
2) waste water after anoxic, Anaerobic Treatment enters in MBR reaction tank (9), process 15h-20h in the MBR reaction tank (9) that dissolved oxygen is 2mg/L-4mg/L after, supernatant drains into and produces pond (23), mud/mixed-liquor return is to anoxic section (5) and multistage anaerobic pond (7,8), in the first order anaerobic pond (7) in, sludge age is 8d-20d.
2. method according to claim 1, it is characterized in that, described MBR membrane module adopts the mode of continuous aeration, interval water outlet, and being drawn water by MBR reaction tank (9) to product pond (23) and stop producing the time ratio drawn water in pond (23) is (7min-9min): (1.5min-2.5min); Bottom the interior filler of described MBR reaction tank (9), gas-water ratio is 3-5:1, MBR membrane module bottom gas-water ratio is 16-20:1.
3. method according to claim 1, is characterized in that, is provided with agitator (6) in described anoxic section (5).
4. method according to claim 1, is characterized in that, described filler (10) is elastic filler, and the below of this elastic filler is provided with elastic filler district aeration tube (21) being positioned at hybrid biosystem reaction tank (9) bottom; Described MBR membrane module (11) below is provided with MBR district aeration tube (22) being positioned at hybrid biosystem reaction tank (9) bottom; Described elastic filler district aeration tube (21) and MBR district aeration tube (22) be arranged on hybrid biosystem reaction tank (9) air blast outward (20) and be connected.
5. method according to claim 1, is characterized in that, described water inlet pipe (1) is equipped with filter screen (2) and valve.
6. according to claim 1, the described method of one of 3-5, is characterized in that, the two-stage anaerobic pond (7,8) that described AABR reaction tank comprises an anoxic section (5) and is communicated with the water side of anoxic section (5).
7. according to claim 1, the described method of one of 3-5, is characterized in that, described MBR membrane module (11) is curtain hollow fiber film assembly.
8. according to claim 1, the described method of one of 3-5, is characterized in that, described anoxic section (5) and MBR reaction tank (9) are provided with blow-down pipe; (7,8) are provided with collecting methane pipe (25) in described multistage anaerobic pond.
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| CN103936231B (en) * | 2014-04-29 | 2016-03-30 | 广州市市政工程设计研究总院 | A kind of energy-saving inversion A AO-MBR sewage water treatment method |
| CN104671411A (en) * | 2015-03-10 | 2015-06-03 | 北京林业大学 | PABR (periodic anaerobic baffled reactor)-MABR (membrane aerated biofilm reactor) coupling technology method and equipment for treating livestock breeding wastewater |
| CN105084642A (en) * | 2015-06-12 | 2015-11-25 | 中国电建集团贵阳勘测设计研究院有限公司 | Anaerobic-aerobic combined industrial wastewater treatment method and device |
| CN105540842A (en) * | 2015-12-16 | 2016-05-04 | 南昌大学 | AO reaction MBR integrated device |
| CN107226528A (en) * | 2017-06-01 | 2017-10-03 | 张国闽 | Mixed growth formula membrane bioreactor system |
| CN112537845B (en) * | 2020-12-02 | 2022-05-17 | 北京建筑大学 | Rural sewage anaerobic resource utilization system and method |
| CN112960771B (en) * | 2020-12-30 | 2024-05-28 | 武汉宝捷能环境工程技术有限公司 | Hydrolytic acidification and anaerobic composite ABR reactor and application method thereof |
| CN113104972A (en) * | 2021-04-15 | 2021-07-13 | 桂林理工大学 | Composite two-phase integrated anaerobic reaction system |
| CN115477439A (en) * | 2021-06-15 | 2022-12-16 | 青岛鑫源环保集团有限公司 | Integrated MBR sewage treatment equipment |
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