CN105347475A - Symmetric built-in anaerobic membrane bioreactor - Google Patents
Symmetric built-in anaerobic membrane bioreactor Download PDFInfo
- Publication number
- CN105347475A CN105347475A CN201510728284.0A CN201510728284A CN105347475A CN 105347475 A CN105347475 A CN 105347475A CN 201510728284 A CN201510728284 A CN 201510728284A CN 105347475 A CN105347475 A CN 105347475A
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- cover plate
- membrane
- anaerobic
- membrane bioreactor
- membrane module
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- 239000012528 membrane Substances 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 31
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000945 filler Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 239000010802 sludge Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a symmetric built-in anaerobic membrane bioreactor. The symmetric built-in anaerobic membrane bioreactor comprises a shell, the inside of the shell is divided into a packing area and a membrane area by a separator plate, a packing is arranged in the packing area, a sieve mesh feeding water distributor is arranged above the packing, wastewater flows through the packing and then enters the membrane area, a baffle plate is arranged in the membrane area and divides the membrane area into a circulation area and a mud-water separation area, a membrane module is arranged in the mud-water separation area, a perforated aeration tube is arranged under the membrane module, and the upper side of the membrane module is provided with a water outlet tube. The symmetric built-in anaerobic membrane bioreactor has the advantages of simple structure, unkeeping convenience, uniform water distribution, low energy consumption, high treatment efficiency, fast reaction rate, effective delaying of membrane pollution, effective retention of granular sludge, and high integration of an anaerobic reactor and the membrane module.
Description
Technical field
The present invention relates to a kind of symmetrical built-in anaerobic membrane bioreactor, belong to technical field of biological treatment of wastewater.
Background technology
According to " China Environmental State Bulletin in 2014 ", chemical oxygen demand (COD) (COD) total emission volumn that in national waste water in 2014, industrial source is discharged is up to 311.3 ten thousand tons (accounting for 13.57% of total release), and ammonia nitrogen total emission volumn is up to 23.2 ten thousand tons (accounting for 9.73% of total release).Principal pollutant in industrial source are high concentrated organic wastewater, and it is the important reason that rivers,lakes and seas water quality worsens, and thus its effective improvement is extremely urgent.
The s-generation anaerobic reactor that upflow anaerobic sludge blanket process (UASB) is representative has been invented from Lettinga in 1974 etc., since the third generation anaerobic reactor that expanded granular sludge bed reactor (EGSB) and anaerobic internal circulation reactor (IC) are representative, productive anaerobic reactor obtains widespread use.But during anaerobic reactor heavy-duty service, wherein built-in triphase separator is still not enough to carry out mud-water separation, easily occurs the problem that function yeast washes out.
Membrane separation technique can realize the isolation and identification to muddy water mixed solution under certain motivating force effect, thus effectively holds and stay function yeast, is an important component part of field of waste water treatment, has boundless application and development prospect.20 century 70s, membrane module is introduced system for anaerobic treatment by Grethlein etc., makes the height of Anaerobic Biotechnology and membrane technique integrated, produces anaerobic membrane bioreactor (AnMBR) thus.External at present, Dorr-Oliver develops the AnMBR treatment process of MARS by name, and technique is applied to process high density milk-product sewage, and treatment effect is good.The South Africa of phase is called anaerobic digestion and filters at the same time, and a set of system for anaerobic treatment of organic industrial sewage being used for processing high density is constructed and put into operation.Domestic, there is the AnMBR that immersion dual-axis rotation anaerobic membrane bioreactor and typical anaerobic reactor and membrane module are combined into, as internal circulation anaerobic film bioreactor etc.But traditional anaerobic membrane bioreactor not only consumes energy high, and problem is effectively solved always to fouling membrane, mass transfer effect be unsatisfactory etc.
Summary of the invention
The object of this invention is to provide the built-in anaerobic membrane bioreactor of symmetry that a kind of organic waste water efficiently processes, serious to solve the fouling membrane that Anaerobic treatment technique and membrane separation technique combined together exist, mass transfer is uneven and go out the problems such as water unstable.
In order to achieve the above object, the invention provides a kind of symmetrical built-in anaerobic membrane bioreactor, comprise shell, described enclosure is packing area and film district by baffle for separating, filler is provided with in described packing area, sieve aperture feeding fabric hydrophone is provided with above filler, wastewater streams enters film district after filler, traverse baffle is provided with in described film district, film is distinguished and is divided into race way and mud-water separation district by described traverse baffle, mud-water separation district is provided with membrane module, and boring aeration pipe divided into by membrane module, is provided with rising pipe on the upside of membrane module.
Preferably, described film district is arranged symmetrically in both sides, packing area.
Preferably, the rising pipe on the upside of described membrane module connects negative pressure of vacuum table and suction pump successively by water pipe.
Preferably, described membrane module is near sidewall of reactor.
Preferably, described race way is near packing area.
Preferably, described shell comprises base plate, and base plate is provided with rectangular cylinder, is provided with swash plate between base plate and rectangular cylinder, is provided with stiffening web between base plate and swash plate, and the bottom of rectangular cylinder is provided with mud discharging mouth.
More preferably, the horizontal tilt angle α of described swash plate between 45 ° ~ 70 °,
More preferably, described mud discharging mouth is positioned at above base plate, below boring aeration pipe.
More preferably, the long-width ratio of described rectangular cylinder is between 2 ~ 6.
Preferably, described shell is provided with cover plate, and described cover plate is provided with handle.
More preferably, it is collection chamber between the liquid level of described film and cover plate, collection chamber is communicated with packing area by the air equalizer opening be located on dividing plate, collection chamber connects gas recycle pump by gas circulating tube, gas recycle pump connects gas rotameter by pipeline, and gas rotameter connects boring aeration pipe by pipeline.
More preferably, described cover plate is provided with effuser.
More preferably, described cover plate is divided into the first cover plate and the second cover plate, the first described cover plate is positioned at above packing area, the second described cover plate is positioned at above film district, described housing top end and dividing plate top are equipped with liquid bath, be provided with clear water in described liquid bath, described liquid bath is in the surrounding of the first cover plate and the second cover plate and between the first cover plate and the second cover plate, and liquid bath has and empties mouth.
More preferably, the first described cover plate and the second cover plate are equipped with handle.
Preferably, liquidometer is provided with in described shell.
Preferably, the Upper vertical of described traverse baffle is placed, and the angle theta of bottom and vertical direction is between 40 ° ~ 70 °.
Preferably, described membrane module is plate film assembly.
Preferably, described boring aeration pipe is placed perpendicular to the lower sideline of membrane module.
Present invention utilizes the combination of bio anaerobic digestion two benches theory (acidication stage and product producing hydrogen and methane stage) and membrane sepn principle, be integrated with hydromechanics, microbiology, bio-reactor engineering and membrane separation technique, solve being coupled and the problem such as fouling membrane of anaerobic reactor and membrane module, have that speed of reaction is fast, reaction efficiency is high, hold advantages such as staying the strong and operation of function mud, maintenance convenient.
Described packing area sieve aperture feeding fabric hydrophone collection feeding fabric water function, this water distributor has the features such as water distribution is even, structure simple, maintenance is convenient; Filler is set below water distributor, makes mud be attached on filler, play the effect of mass transfer enhancement and fixation of microbe (keeping the relatively stable of functional flora); Described film district arranges traverse baffle, the compartition effect of traverse baffle, plays and extends mass transfer path effects; Boring aeration pipe below plate film assembly forms gas-liquid mixed, forms complete mixing flow with race way, the filler-reinforced horizontal sliding fluidised form of reaction zone of packing area, makes reactor monolith fluidised form be packing area plug flow and the connecting of film district complete mixing flow.
Reactor is outside forms negative pressure water outlet by suction pump suction, establishes gas recycle pump aeration to wash away film surface simultaneously, regulates aeration intensity by gas rotameter.
The present invention is in conjunction with plug flow and complete mixing flow reactor features, the present invention arranges filler and membrane module, form packing area and film district respectively, arranging filler makes feeding liquid in shorter path, extend the duration of contact with microorganism, again can while enhancing be held and is stayed mud effect, make that functional flora is relatively fixing does not participate in circulation, realize " packing area plug flow ".Arrange membrane module energy effectively catching granule sludge, establishes traverse baffle in the middle of film district, because action of gravity realizes " film district complete mixing flow ", membrane module, due to bottom aeration, increases turbulent extent and lessening membrane fouling.Meanwhile, the mode that reactor adopts upper end evenly to intake, water inlet can realize gravity flow, reduces energy consumption without the need to water pump.
The present invention compared with prior art, has following beneficial effect:
1) the collection charging of sieve aperture feeding fabric hydrophone and cloth water function, the over-all propertieies such as structure is simple, water distribution evenly, not easily blocks, resistance to waterpower impact capacity is strong, maintenance is convenient; The mode that reactor adopts upper end evenly to intake, water inlet can realize gravity flow, reduces energy consumption without the need to water pump;
2) film district is symmetrically distributed in both sides, packing area, can run in side alternate run or both sides separately simultaneously, while raising separation efficiency, reduces the risk out of service because of fault;
3) mud discharging mouth is near reactor bottom swash plate, can reach spoil disposal object, plays again the effect emptying mouth;
4) establish a gradient at reactor bottom, be beneficial to and reduce mud dead band;
5) acidication district arranges filler in the middle of reactor, while enhancing is held and stayed mud effect, makes that functional flora is relatively fixing does not participate in circulation, realizes " packing area plug flow "; Film district establishes aeration tube below membrane module, forms gas-liquid mixture phase, and race way is while prolongation wastewater treatment path, and the liquid in film district is due to action of gravity realization " film district complete mixing flow ";
6) establish aeration tube below membrane module, utilize aeration to wash away the shearing force of formation, reduce degree and the frequency of fouling membrane; In gas recycle process, establish gas rotameter to regulate aeration intensity;
7) rectangular cylinder upper cover plate adopts the form tipped upside down in liquid bath, under ensureing the prerequisite of sealing property, makes the maintenance of inside reactor part and easy to assembly;
8) simple, easy for installation, the compact construction of reactor processing, save triphase separator, highly integrated, integration is with the obvious advantage.
The present invention is applicable to the process of middle and high concentration organic waste water.
Accompanying drawing explanation
Fig. 1 is the structural representation of the built-in anaerobic membrane bioreactor of symmetry provided by the invention;
Fig. 2 is the sectional view in A-A face in Fig. 1.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
As shown in Figure 1, the built-in anaerobic membrane bioreactor of symmetry of the present invention comprises shell, and described enclosure is that packing area I and film district II, packing area I and film district II are respectively used to realize the acidication stage and produce the producing hydrogen and methane stage by baffle for separating.Described film district II is arranged symmetrically in I both sides, packing area.
Filler 27 is provided with in described packing area I, be provided with sieve aperture feeding fabric hydrophone 16 above filler 27, wastewater streams enters film district II after filler 27, is provided with traverse baffle 24 in described film district II, the Upper vertical of described traverse baffle 24 is placed, and the angle theta of bottom and vertical direction is 60 °.Film district II is divided into race way 23 and mud-water separation district 22 by described traverse baffle 24, race way 23 is near packing area I, mud-water separation district 22 is provided with membrane module 6, described membrane module 6 is near sidewall of reactor, boring aeration pipe 5 divided into by membrane module 6, be provided with rising pipe 7 on the upside of membrane module 6, the rising pipe on the upside of described membrane module 6 connects negative pressure of vacuum table 9 and suction pump 8 successively by water pipe.Described membrane module 6 is plate film assembly.Described boring aeration pipe 5 is placed perpendicular to the lower sideline of membrane module 6.
Described shell comprises base plate 1, and base plate 1 is provided with rectangular cylinder 26, and the long-width ratio of described rectangular cylinder 26 is between 4.Be provided with swash plate 3 between base plate 1 and rectangular cylinder 26, the horizontal tilt angle α of described swash plate 3 is 60 °, is provided with stiffening web 2 between base plate 1 and swash plate 3, and the bottom of rectangular cylinder 26 is provided with mud discharging mouth 4.Described mud discharging mouth 4 is positioned near swash plate 3, above base plate 1, below boring aeration pipe 5.
Described shell is provided with cover plate 13.Described cover plate 13 is provided with effuser 18.Be collection chamber 12 between the liquid level of described film district II and cover plate 13, collection chamber 12 is communicated with packing area I by the air equalizer opening 17 be located on dividing plate, collection chamber 12 connects gas recycle pump 21 by gas circulating tube 20, gas recycle pump 21 connects gas rotameter 25 by pipeline, and gas rotameter 25 connects boring aeration pipe 5 by pipeline.
As shown in Figure 2, described cover plate 13 is divided into the first cover plate and the second cover plate, the first described cover plate is positioned at above the I of packing area, the second described cover plate is positioned at above film district II, described housing top end and dividing plate top are equipped with liquid bath 11, be provided with clear water 15 in described liquid bath 11, described liquid bath 11 is in the surrounding of the first cover plate and the second cover plate and between the first cover plate and the second cover plate, and liquid bath 11 has and empties mouth 10.Described liquid bath 11 support top cover plate 13, utilizes inner clear water 15 to realize fluid-tight object.The first described cover plate and the second cover plate are equipped with handle 14.Liquidometer 19 is provided with in described shell.
Operation scheme of the present invention is as follows:
Organic waste water, by sieve aperture feeding fabric hydrophone 16, evenly enters packing area I by upper end in the middle part of reactor.Charging first flows through filler 27 by sieve aperture feeding fabric hydrophone 16, and (gas of generation to enter the collection chamber 12 of film district II by air equalizer opening 17, collected by effuser 18 or by gas circulating tube 20 cyclic aeration), after flowing out filler, walk around film district II traverse baffle 24 and enter mud-water separation district 22, because action of gravity circulates in mud-water separation district 22 and race way 23, the suction that clear water produces finally by suction pump 8, through membrane module 6 water outlet, (biogas of generation enters collection chamber 12, collected by the effuser 18 of film district II or by gas circulating tube 20 cyclic aeration), gas recycle pump 21 aeration of reactor outside washes away film surface, aeration intensity is regulated by gas rotameter 25.
Claims (10)
1. the built-in anaerobic membrane bioreactor of symmetry, comprise shell, described enclosure is packing area (I) and film district (II) by baffle for separating, filler (27) is provided with in described packing area (I), filler (27) top is provided with sieve aperture feeding fabric hydrophone (16), wastewater streams enters film district (II) after filler (27), traverse baffle (24) is provided with in described film district (II), film district (II) is divided into race way (23) and mud-water separation district (22) by described traverse baffle (24), mud-water separation district (22) is provided with membrane module (6), boring aeration pipe (5) divided into by membrane module (6), membrane module (6) upside is provided with rising pipe (7).
2. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, is characterized in that, described film district (II) is arranged symmetrically in packing area (I) both sides.
3. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, is characterized in that, the rising pipe of described membrane module (6) upside connects negative pressure of vacuum table (9) and suction pump (8) successively by water pipe.
4. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, it is characterized in that, described shell comprises base plate (1), base plate (1) is provided with rectangular cylinder (26), swash plate (3) is provided with between base plate (1) and rectangular cylinder (26), be provided with stiffening web (2) between base plate (1) and swash plate (3), the bottom of rectangular cylinder (26) is provided with mud discharging mouth (4).
5. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, is characterized in that, described shell is provided with cover plate (13), and described cover plate (13) is provided with handle (14).
6. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 5, it is characterized in that, be collection chamber (12) between the liquid level in described film district (II) and cover plate (13), collection chamber (12) is communicated with packing area (I) by the air equalizer opening (17) be located on dividing plate, collection chamber (12) connects gas recycle pump (21) by gas circulating tube (20), gas recycle pump (21) connects gas rotameter (25) by pipeline, gas rotameter (25) connects boring aeration pipe (5) by pipeline.
7. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 5, is characterized in that, described cover plate (13) is provided with effuser (18).
8. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 5, it is characterized in that, described cover plate (13) is divided into the first cover plate and the second cover plate, the first described cover plate is positioned at top, packing area (I), the second described cover plate is positioned at top, film district (II), described housing top end and dividing plate top are equipped with liquid bath (11), clear water (15) is provided with in described liquid bath (11), described liquid bath (11) is in the surrounding of the first cover plate and the second cover plate and between the first cover plate and the second cover plate, liquid bath (11) has and empties mouth (10).
9. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, is characterized in that, described membrane module (6) is plate film assembly.
10. symmetrical built-in anaerobic membrane bioreactor as claimed in claim 1, is characterized in that, described boring aeration pipe (5) is placed perpendicular to the lower sideline of membrane module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728284.0A CN105347475B (en) | 2015-10-30 | 2015-10-30 | A kind of symmetrical built-in anaerobic membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728284.0A CN105347475B (en) | 2015-10-30 | 2015-10-30 | A kind of symmetrical built-in anaerobic membrane bioreactor |
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| Publication Number | Publication Date |
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| CN105347475A true CN105347475A (en) | 2016-02-24 |
| CN105347475B CN105347475B (en) | 2018-01-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105884020A (en) * | 2016-05-16 | 2016-08-24 | 东华大学 | Low-energy-consumption fouling-resistant anaerobic membrane bioreactor |
| CN106082433A (en) * | 2016-08-22 | 2016-11-09 | 上海亚威环保科技有限公司 | Biological solid-carrying type film biological unit reactor |
| CN107963771A (en) * | 2017-08-10 | 2018-04-27 | 国电银河水务股份有限公司 | Integrated reuse wetting system |
| CN108946935A (en) * | 2018-08-13 | 2018-12-07 | 江南大学 | A kind of immersion type membrane separator for anaerobic bio-treated |
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| CN2578324Y (en) * | 2002-09-06 | 2003-10-08 | 中国科学院化学研究所 | Anaerobic membrane biological reactor |
| CN101781059A (en) * | 2010-02-01 | 2010-07-21 | 河海大学 | Novel anaerobic membrane bioreactor |
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| CN104528934A (en) * | 2014-12-04 | 2015-04-22 | 浙江清华长三角研究院 | Shortcut nitrification-denitrification membrane bioreactor and sewage treatment technology thereof |
| CN204369654U (en) * | 2014-12-26 | 2015-06-03 | 北京桑德环境工程有限公司 | The energy-conservation MBR device of internal recycle |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2578324Y (en) * | 2002-09-06 | 2003-10-08 | 中国科学院化学研究所 | Anaerobic membrane biological reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105884020A (en) * | 2016-05-16 | 2016-08-24 | 东华大学 | Low-energy-consumption fouling-resistant anaerobic membrane bioreactor |
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| CN107963771A (en) * | 2017-08-10 | 2018-04-27 | 国电银河水务股份有限公司 | Integrated reuse wetting system |
| CN108946935A (en) * | 2018-08-13 | 2018-12-07 | 江南大学 | A kind of immersion type membrane separator for anaerobic bio-treated |
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| Publication number | Publication date |
|---|---|
| CN105347475B (en) | 2018-01-19 |
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