CN102603059A - Extraction membrane bioreactor and sewage processing method thereof - Google Patents

Extraction membrane bioreactor and sewage processing method thereof Download PDF

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Publication number
CN102603059A
CN102603059A CN2012100873297A CN201210087329A CN102603059A CN 102603059 A CN102603059 A CN 102603059A CN 2012100873297 A CN2012100873297 A CN 2012100873297A CN 201210087329 A CN201210087329 A CN 201210087329A CN 102603059 A CN102603059 A CN 102603059A
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spe membrane
flat
service pipe
water service
sewage
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CN102603059B (en
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陈福明
刘淑杰
张义
芦嵩林
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Tsinghua University
Shenzhen Research Institute Tsinghua University
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Shenzhen Research Institute Tsinghua University
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Abstract

The invention relates to an extraction membrane bioreactor and a sewage processing method thereof. The extraction membrane bioreactor comprises a biological reaction tank and a membrane group mechanism installed in the biological reaction tank, wherein the membrane group mechanism is composed of a plurality of plate-type extraction membrane assemblies arranged in parallel, a membrane rack, a bottom-end water pipe and a top-end water pipe; the bottom-end water pipe and the top-end water pipe are fixed on the membrane rack; and the bottom-end water pipe, the top-end water pipe and a water flow channels in the plate-type extraction membrane assemblies form flow paths which are mutually communicated. The sewage processing method for the extraction membrane bioreactor comprises the following steps: filling activated sludge mixed liquor into the biological reaction tank to ensure that a liquid level submerges the membrane group mechanism; causing sewage of which the suspended matter is removed by pre-processing to enter the inner cavities of the plate-type extraction membrane assemblies via the bottom-end water pipe; causing resolvable pollutant in the sewage to enter the biological reaction tank after being diffused via membrane holes on the plate-type extraction membrane assemblies to be degraded; and causing pure water in the plate-type extraction membrane assemblies to directly flow out via the opening end of the top-end water pipe.

Description

Spe membrane bio-reactor and sewage water treatment method thereof
Technical field
The present invention relates to a kind of sewage purification process field, particularly a kind of spe membrane bio-reactor and sewage water treatment method thereof that adopts membrane extraction and biological respinse to combine.
Background technology
Along with the industriallization of modern society and the acceleration of urbanization, problem of environmental pollution is serious day by day.Because it is one of distinct issues the most in the problem of environmental pollution that water pollutes, so the processing of sewage is especially come into one's own.Sewage disposal technology has passed through 100 years of development, but still can not fully satisfy the demand in engineering and market.The exploitation of current sewage disposal technology is just towards efficient, quick, low-cost direction effort.
Membrane bioreactor as a kind of efficiently, biologic treating technique fast, in sewage treatment project, obtained large-scale application.The membrane bioreactor that develops at present can be divided three classes: ⑴ film-separation biological reactor (Membrane separation bioreactor) is used for the solid-liquid separation of WWT; ⑵ film aeration and biological reactor drum (Membrane aeration bioreactor) is used for the gaseous mass transmission, normally is the aerobic process oxygen supply, can realize the bubble-free aeration of bio-reactor, improves the oxygen transfer efficiency of reactor drum greatly; ⑶ spe membrane bio-reactor (Extractive membrane bioreactor), the extraction and the biological degradation that are used for pollutent are handled.In these three types of membrane bioreactors, film-separation biological reactor is used the most extensive, but the obstruction owing to film causes the problem of processing power decline to fail to obtain fine solution always in the use.Simultaneously, the membrane module cost that is used for membrane bioreactor at present is also high, affects the enthusiasm that the user uses membrane bioreactor to a great extent.
Summary of the invention
The purpose of this invention is to provide that a kind of equipment cost is low, membrane filtration is difficult for stopping up; The spe membrane bio-reactor is because need not the both sides that a large amount of current see through film; Only require pollutent utilization diffusion to see through the film both sides, mud can not occur and cause fenestra to stop up, because there is not pressure difference basically in the both sides of spe membrane bio-reactor film in the gathering of face; Holding back of mud needn't be adopted expensive permeable membrane, the spe membrane bio-reactor that only adopts cheap industrial filter cloth just can realize.Another object of the present invention provides a kind of method that adopts the spe membrane bio-reactor to carry out WWT.
Technical solution of the present invention is said spe membrane bio-reactor; Comprise biological reaction tank and be installed in the film group mechanism of said biological reaction tank bottom, its special character is: said film group mechanism by some flat spe membrane assembly, the film framves that are arranged in parallel, be fixed on the said film frame and form with bottom water service pipe and top water service pipe that the water stream channel of said flat spe membrane component internal forms the stream that is interconnected.
As preferably: said flat spe membrane assembly is made up of the film end pipe of the filter cloth of framework, framework both ends of the surface, framework two side frame suits and is one through the sticker bonding; Some grooves that said framework is arranged with by supporting frame, supporting frame inside casing, the supporting frame side frame that is positioned at groove are offered the perforation that connects with said groove respectively and are formed; Said film end Guan Youyi end opening the and in addition body of end sealing, frame shape sidewall that said body protrudes out are provided with respectively and keep unimpeded tank to form with said body, supporting frame side frame perforation.
As preferably: the parallel-connection structure of said film group mechanism by the common bottom water service pipe that is communicated with in the film end pipe bottom of some flat spe membrane assembly one sides that are parallel to each other and some flat spe membrane assemblies that are parallel to each other in addition the common top water service pipes that are communicated with in side form end pipe top form; The sealing of one end opening of said water service pipe and the other end; The outer wall of said bottom water service pipe offers the notch that is communicated with the water stream channel of water service pipe opening end, flat spe membrane component internal respectively vertically; The outer wall of said top water service pipe offers respectively and the water stream channel of flat spe membrane component internal, the notch that the water service pipe exit end is communicated with vertically; When water service pipe is communicated with the water stream channel of said flat spe membrane component internal, said notch simultaneously with the water stream channel intercommunication of each flat spe membrane component internal; Come out through the bottom sewage purify waste water and flow out through the formed intercommunication stream of the exit end that comes together in the top water service pipe by the inflow of water service pipe opening end, the water stream channel of each flat spe membrane component internal of parallel process, each flat spe membrane component internal.
As preferably: a side, the flat spe membrane assembly of the N sheet opposite side that the cascaded structure of said film group mechanism is communicated with the flat spe membrane assembly of N sheet by N bottom water service pipe, said N bottom water service pipe is communicated with top water service pipe, the flat spe membrane assembly of said N sheet opposite side top water service pipe and is communicated with a side, the flat spe membrane assembly of the N+1 sheet opposite side that N+1 bottom water service pipe, said N+1 bottom water service pipe be communicated with the flat spe membrane assembly of N+1 sheet and is communicated with the top water service pipe, and passing through bottom water service pipe import and exporting some flat spe membrane assemblies compositions that are linked in sequence through the top water service pipe by that analogy; The said first bottom water service pipe is made up of the pipe fitting that is communicated with film end pipe with last top water service pipe; And other water service pipe is formed the stream that is communicated with by a pair of back bending and opening opposed U-shaped pipe and the body that is communicated with two U-shaped pipes; Sewage flows into from the bottom water service pipe opening end of the first flat spe membrane assembly; Water stream channel through the first flat spe membrane component internal; The top water service pipe exit end of the said first flat spe membrane assembly; Flow to the bottom water service pipe opening end of the second flat spe membrane assembly, analogize in proper order, from the top water service pipe exit end outflow of last flat spe membrane assembly with this.
As preferably: the hybrid connected structure of said film group mechanism is communicated with the cascaded structure of said film group mechanism by the parallel-connection structure of said film group mechanism, perhaps, is communicated with the parallel-connection structure of said film group mechanism by the cascaded structure of said film group mechanism; That is: the sewage of removing behind the suspended substance through pre-treatment gets into the water stream channel of flat spe membrane component internal through first bottom water service pipe opening end; Through the circulations of organizing film group mechanism more; Dissolubility pollutant in the sewage diffuses into bio-reactor through fenestra and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly directly flowed out from last top water service pipe exit end.
Another technical solution of the present invention is the sewage water treatment method of said spe membrane bio-reactor; Its special character is: in said biological reaction tank, be full of active sludge intermixture; Make liquid level flood film group mechanism; The water service pipe of sewage through the bottom that the process pre-treatment is removed behind the suspended substance gets into flat spe membrane assembly inner chamber; Dissolubility pollutant in the sewage diffuses in the biological reaction tank through the fenestra on the flat spe membrane assembly and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly directly flowed out through vertical water service pipe opening end.
As preferably: below said biological reaction tank bottom and said film group mechanism, also be provided with aerating apparatus; With said spe membrane bio-reactor as aerobic or double oxygen bio-reactor; Make through aeration that mixed solution is in the mixed flow state in the biological reaction tank, improve extraction rate of mass transfer and treatment effect.
As preferably: below said biological reaction tank bottom and said film group mechanism, also be provided with a small amount of aerating apparatus or plug-flow device; With said spe membrane bio-reactor as anaerobic biological reactor; Make through intermittent aeration mode or plug-flow mode in case of necessity that mixed solution is in the mixed flow state in the bio-reactor, improve extraction rate of mass transfer and treatment effect.
As preferably: when sewage is sewage or the high-ammonia-nitrogen sewage of low ratio of carbon to ammonium, through in said biological reaction tank, carbon source being provided, and implementing aerobic treatment and make the ammonia nitrogen in the sewage obtain removing through nitrification.
As preferably: grow when mud being arranged and causing flow smooth when the flat spe membrane component internal of said film group mechanism, the inside of adopting big flow water inlet washing plate formula spe membrane assembly to remove the mud that inside grows, guarantees that processing efficiency does not reduce.
Compared with prior art, advantage of the present invention:
1, the present invention is used for sewage treatment project, has less investment, and equipment compact, floor space be little, be convenient to characteristics such as operational management.
2, the present invention not only have sludge concentration height, processing efficiency high, amplify easily, advantage such as less energy consumption, running cost are low, aspect denitrogenation dephosphorizing, also have a significant effect simultaneously.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION synoptic diagram of the flat spe membrane assembly of the present invention when not coating filter cloth.
Fig. 2 is the structure assembling synoptic diagram of the flat spe membrane assembly of the present invention when not coating filter cloth.
Structural representation when Fig. 3 is the flat spe membrane assembly coating of the present invention filter cloth.
Fig. 4 is the film group mechanism schematic perspective view of parallel way of the present invention.
Embodiment
The present invention below will combine accompanying drawing to do further to detail:
Fig. 1 to Fig. 4 shows first embodiment of the present invention.
See also Fig. 1 to shown in Figure 3, said spe membrane biological reaction tank adopts cuboid container as the biological reaction tank (not shown), in biological reaction tank below the fixed installation group mechanism (not shown) that exposes to the sun; The upper fixed that said biological reaction tank is positioned at said aerator is equipped with film group mechanism 3, on biological reaction tank, connects the inlet and outlet pipe lines (not shown), promptly obtains simple and easy membrane bioreactor.
In the present embodiment, said film group mechanism 3 by the some flat spe membrane assemblies 1 that are arranged in parallel, film frame (not shown), be fixed on the said film frame (not shown) and and form with bottom water service pipe 21 and top water service pipe 22 that said flat spe membrane assembly 1 inner water stream channel forms the stream that is interconnected.
See also Fig. 1 to shown in Figure 3, said flat spe membrane assembly 1 is formed and bondd through sticker by the film end pipe 13 of the filter cloth 12 of framework 11, framework 11 both ends of the surface, 11 liang of side frame suits of framework is one; Said framework 11 is offered the perforation 113 that connects with said groove 112 respectively by supporting frame 111, some grooves 112 that supporting frame 111 inside casings are arranged with, the supporting frame side frame that is positioned at groove 112 and is formed; The body 131 of end sealing, frame shape sidewall 132 that said body 131 protrudes out are provided with respectively with said body 131, supporting frame side frame perforation 113 and keep unimpeded tank 133 to form in addition by an end opening for said film end pipe 13.The material of said filter cloth 12 is selected a kind of of nylon, terylene, polyamide fibre, polypropylene fibre, polyvinyl for use, and the filter cloth specification is 50 order to 300 orders, and the material of said supporting frame 111 is selected a kind of of Vilaterm, Vestolen PP 7052, SE, PS, ABS plastic for use.
In the present embodiment, as required, can select a kind of of film group mechanism parallel-connection structure, cascaded structure and hybrid connected structure for use:
See also shown in Figure 4ly, the parallel-connection structure of said film group mechanism 3 is made up of the common bottom water service pipe 21 that is communicated with in film end pipe 13 bottoms of some flat spe membrane assembly 1 one sides that are parallel to each other and some common 22 of the top water service pipes that are communicated with in the flat spe membrane assembly that is parallel to each other 1 another side form end pipe 13 tops; The sealing of one end opening of said water service pipe and the other end; The outer wall of said bottom water service pipe 21 offers the notch (not shown) that is communicated with water service pipe opening end 211, flat spe membrane assembly 1 inner water stream channel respectively vertically; The outer wall of said top water service pipe 22 offers respectively the water stream channel inner with flat spe membrane assembly 1, the notch (not shown) that water service pipe exit end 221 is communicated with vertically; When water service pipe 21,22 is communicated with the inner water stream channel of said flat spe membrane assembly 1, the water stream channel intercommunication that said notch (not shown) is inner with each flat spe membrane assembly 1 simultaneously; Purifying waste water of coming out in sewage water service pipe 21 opening ends 211 inflows through the bottom, each flat spe membrane assembly 1 inner water stream channel, each flat spe membrane assembly 1 inside of parallel process flowed out through the exit end 221 formed intercommunication streams that come together in top water service pipe 22.
In the present embodiment; Flat spe membrane assembly 1 opposite side of one side, N sheet of the flat spe membrane assembly 1 of N sheet that the cascaded structure of said film group mechanism 3 is communicated with by N bottom water service pipe (not shown), said N bottom water service pipe (not shown) is communicated with top water service pipe 22, the flat spe membrane assembly 1 opposite side top water service pipe 22 of said N sheet and is communicated with flat spe membrane assembly 1 opposite side of a side, N+1 sheet that N+1 bottom water service pipe (not shown), said N+1 bottom water service pipe (not shown) be communicated with the flat spe membrane assembly 1 of N+1 sheet and is communicated with top water service pipe (not shown), and passing through bottom water service pipe import (not shown) and exporting some flat spe membrane assemblies 1 compositions that (not shown) is linked in sequence through the top water service pipe by that analogy; The said first bottom water service pipe (not shown) is made up of the pipe fitting 131 that is communicated with film end pipe 13 with last top water service pipe (not shown); And other water service pipe (not shown) is formed the stream that is communicated with by a pair of back bending and opening opposed U-shaped pipe (not shown) and the body (not shown) that is communicated with two U-shaped pipes; Water service pipe opening end (not shown) flows into sewage through the bottom of the first flat spe membrane assembly 1; Water stream channel through the first flat spe membrane assembly, 1 inside; The top water service pipe exit end (not shown) of the first flat spe membrane assembly 1; Flow to the bottom water service pipe opening end (not shown) of the second flat spe membrane assembly, analogize in proper order, from the top water service pipe exit end (not shown) outflow of last flat spe membrane assembly with this.
In the present embodiment, the hybrid connected structure of said film group mechanism 3 is communicated with the cascaded structure of said film group mechanism by the parallel-connection structure of said film group mechanism, perhaps, is communicated with the parallel-connection structure of said film group mechanism by the cascaded structure of said film group mechanism; That is: the sewage of removing behind the suspended substance through pre-treatment gets into the water stream channel of flat spe membrane component internal through first bottom water service pipe opening end (not shown); Through the circulations of organizing film group mechanism more; Dissolubility pollutant in the sewage diffuses into bio-reactor through fenestra and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly directly flowed out from last top water service pipe exit end (not shown).
Behind the mud that the inoculation municipal wastewater is handled in simple and easy membrane bioreactor (not shown); To pass through filtering sewage feeds film group mechanism 3 and carries out aerobic treatment; The control hydraulic detention time is 5 hours; Through continuous 7 days aeration and water inlet continuously, effluent quality reaches GB18918-2002 one-level A standard.
The sewage water treatment method of said spe membrane bio-reactor; Comprise: in said biological reaction tank (not shown), be full of active sludge intermixture; Make liquid level flood film group mechanism 3; The water service pipe 21 of sewage through the bottom that the process pre-treatment is removed behind the suspended substance gets into flat spe membrane assembly 1 inner chamber; Dissolubility pollutant in the sewage diffuses in the biological reaction tank (not shown) through the fenestra on the flat spe membrane assembly 1 and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly 1 directly flowed out through vertical water service pipe opening end 221.
In the present embodiment,, select a kind of biological treatment pattern wherein for use according to the character of bio-reactor:
Below said biological reaction tank (not shown) bottom and said film group mechanism 1, also be provided with the aerating apparatus (not shown); With said spe membrane bio-reactor (not shown) as aerobic or double oxygen bio-reactor; Make through aeration that mixed solution is in the mixed flow state in the biological reaction tank, improve extraction rate of mass transfer and treatment effect.
Below said biological reaction tank (not shown) bottom and said film group mechanism 3, also be provided with a small amount of aerating apparatus (not shown) or plug-flow device (not shown); With said spe membrane bio-reactor (not shown) as anaerobic biological reactor; Make through intermittent aeration mode or plug-flow mode in case of necessity that mixed solution is in the mixed flow state in the bio-reactor (not shown), improve extraction rate of mass transfer and treatment effect.
In the present embodiment, when sewage is sewage or the high-ammonia-nitrogen sewage of low ratio of carbon to ammonium, through in said biological reaction tank (not shown), carbon source being provided, and implementing aerobic treatment and make the ammonia nitrogen in the sewage obtain removing through nitrification.
In the present embodiment; When flat spe membrane assembly 1 inside of said film group mechanism 3 grows when mud being arranged and causing flow smooth; Adopt the inside of big flow water inlet washing plate formula spe membrane assembly 1,, guarantee that processing efficiency does not reduce to remove the mud that inside grows.
When sewage when containing high COD sewage, will pass through filtering high COD sewage and feed film group mechanism 3 and carry out anaerobic treatment; The control hydraulic detention time is 48 hours, and after intaking continuously through 30 days, COD reduces to the 400mg/L in the water outlet by the 2000mg/L in the water inlet.
The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.

Claims (10)

1. a spe membrane bio-reactor comprises biological reaction tank and is installed in the film group mechanism in the said biological reaction tank; It is characterized in that: said film group mechanism by some flat spe membrane assembly, the film framves that are arranged in parallel, be fixed on the said film frame and form with bottom water service pipe and top water service pipe that the water stream channel of said flat spe membrane component internal forms the stream that is interconnected.
2. according to the said spe membrane bio-reactor of claim 1, it is characterized in that: said flat spe membrane assembly is made up of the film end pipe of the filter cloth of framework, framework both ends of the surface, framework two side frame suits and is one through the sticker bonding; Some grooves that said framework is arranged with by supporting frame, supporting frame inside casing, the supporting frame side frame that is positioned at groove are offered the perforation that connects with said groove respectively and are formed; Said film end Guan Youyi end opening the and in addition body of end sealing, frame shape sidewall that said body protrudes out are provided with respectively and keep unimpeded tank to form with said body, supporting frame side frame perforation.
3. according to the said spe membrane bio-reactor of claim 2, it is characterized in that: the parallel-connection structure of said film group mechanism by the common bottom water service pipe that is communicated with in the film end pipe bottom of some flat spe membrane assembly one sides that are parallel to each other and some flat spe membrane assemblies that are parallel to each other in addition the common top water service pipes that are communicated with in side form end pipe top form; The sealing of one end opening of said water service pipe and the other end; The outer wall of said bottom water service pipe offers the notch that is communicated with the water stream channel of water service pipe opening end, flat spe membrane component internal respectively vertically; The outer wall of said top water service pipe offers the notch that is communicated with flat spe membrane component internal water stream channel, water service pipe exit end respectively vertically; When water service pipe is communicated with the water stream channel of said flat spe membrane component internal, said notch simultaneously with the water stream channel intercommunication of each flat spe membrane component internal; Come out through the bottom sewage purify waste water and flow out through the formed intercommunication stream of the exit end that comes together in the top water service pipe by the inflow of water service pipe opening end, the water stream channel of each flat spe membrane component internal of parallel process, each flat spe membrane component internal.
4. according to the said spe membrane bio-reactor of claim 2; It is characterized in that: a side, the flat spe membrane assembly of the N sheet opposite side that the cascaded structure of said film group mechanism is communicated with the flat spe membrane assembly of N sheet by N bottom water service pipe, said N bottom water service pipe is communicated with top water service pipe, the flat spe membrane assembly of said N sheet opposite side top water service pipe and is communicated with a side, the flat spe membrane assembly of the N+1 sheet opposite side that N+1 bottom water service pipe, said N+1 bottom water service pipe be communicated with the flat spe membrane assembly of N+1 sheet and is communicated with the top water service pipe, and passing through bottom water service pipe import and exporting some flat spe membrane assemblies compositions that are linked in sequence through the top water service pipe by that analogy; The said first bottom water service pipe is made up of the pipe fitting that is communicated with film end pipe with last top water service pipe; And other water service pipe is formed the stream that is communicated with by a pair of back bending and opening opposed U-shaped pipe and the body that is communicated with two U-shaped pipes; Sewage flows into from the bottom water service pipe opening end of the first flat spe membrane assembly; Water stream channel through the first flat spe membrane component internal; The top water service pipe exit end of the said first flat spe membrane assembly; Flow to the bottom water service pipe opening end of the second flat spe membrane assembly, analogize in proper order, from the top water service pipe exit end outflow of last flat spe membrane assembly with this.
5. according to claim 3 or 4 said spe membrane bio-reactors; It is characterized in that: the hybrid connected structure of said film group mechanism is communicated with the cascaded structure of said film group mechanism by the parallel-connection structure of said film group mechanism; Perhaps, the parallel-connection structure that is communicated with said film group mechanism by the cascaded structure of said film group mechanism; That is: the sewage of removing behind the suspended substance through pre-treatment gets into the water stream channel of flat spe membrane component internal through first bottom water service pipe opening end; Through the circulations of organizing film group mechanism more; Dissolubility pollutant in the sewage diffuses into bio-reactor through fenestra and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly directly flowed out from last top water service pipe exit end.
6. sewage water treatment method according to the said spe membrane bio-reactor of claim 1; It is characterized in that: in said biological reaction tank, be full of active sludge intermixture; Make liquid level flood film group mechanism; The water service pipe of sewage through the bottom that the process pre-treatment is removed behind the suspended substance gets into flat spe membrane assembly inner chamber; Dissolubility pollutant in the sewage diffuses in the biological reaction tank through the fenestra on the flat spe membrane assembly and is degraded by Institute of Micro-biology, and purifying waste water in the flat spe membrane assembly directly flowed out through vertical water service pipe opening end.
7. according to the said spe membrane bio-reactor of claim 6; It is characterized in that: below said biological reaction tank bottom and said film group mechanism, also be provided with aerating apparatus; With said spe membrane bio-reactor as aerobic or double oxygen bio-reactor; Make through aeration that mixed solution is in the mixed flow state in the biological reaction tank, improve extraction rate of mass transfer and treatment effect.
8. according to the said spe membrane bio-reactor of claim 6; It is characterized in that: below said biological reaction tank bottom and said film group mechanism, also be provided with a small amount of aerating apparatus or plug-flow device; With said spe membrane bio-reactor as anaerobic biological reactor; Make through intermittent aeration mode or plug-flow mode in case of necessity that mixed solution is in the mixed flow state in the bio-reactor, improve extraction rate of mass transfer and treatment effect.
9. according to the sewage water treatment method of the said spe membrane bio-reactor of claim 7; It is characterized in that: when sewage is sewage or the high-ammonia-nitrogen sewage of low ratio of carbon to ammonium; Through in said biological reaction tank, carbon source being provided, and implementing aerobic treatment and make the ammonia nitrogen in the sewage obtain removing through nitrification.
10. according to any sewage water treatment method of a said spe membrane bio-reactor of claim 6 to 9; It is characterized in that: when the flat spe membrane component internal of said film group mechanism is grown when mud being arranged and causing flow smooth; Adopt the inside of big flow water inlet washing plate formula spe membrane assembly; To remove the mud that inside grows, guarantee that processing efficiency does not reduce.
CN 201210087329 2012-03-29 2012-03-29 Extraction membrane bioreactor and sewage processing method thereof Active CN102603059B (en)

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CN105417886A (en) * 2015-12-29 2016-03-23 青岛科技大学 Method for degrading chlorination organic wastewater
CN106007199A (en) * 2016-07-01 2016-10-12 博天环境工程(北京)有限公司 Method for treating wastewater of rifampicin antibiotic washing section
CN106145540A (en) * 2016-08-17 2016-11-23 山东龙安泰环保科技有限公司 The advanced treatment apparatus of a kind of amino benzene analog waste water and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417886A (en) * 2015-12-29 2016-03-23 青岛科技大学 Method for degrading chlorination organic wastewater
CN106007199A (en) * 2016-07-01 2016-10-12 博天环境工程(北京)有限公司 Method for treating wastewater of rifampicin antibiotic washing section
CN106145540A (en) * 2016-08-17 2016-11-23 山东龙安泰环保科技有限公司 The advanced treatment apparatus of a kind of amino benzene analog waste water and method

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