CN101857304B - Dynamic filtering-membrane bioreactor for sewage treatment and filtering method thereof - Google Patents
Dynamic filtering-membrane bioreactor for sewage treatment and filtering method thereof Download PDFInfo
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- CN101857304B CN101857304B CN2010102184961A CN201010218496A CN101857304B CN 101857304 B CN101857304 B CN 101857304B CN 2010102184961 A CN2010102184961 A CN 2010102184961A CN 201010218496 A CN201010218496 A CN 201010218496A CN 101857304 B CN101857304 B CN 101857304B
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- 238000001914 filtration Methods 0.000 title claims abstract description 94
- 239000012528 membrane Substances 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000010865 sewage Substances 0.000 title abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000005273 aeration Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000005276 aerator Methods 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000001301 oxygen Substances 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000004677 Nylon Substances 0.000 claims description 11
- 238000002386 leaching Methods 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 claims description 11
- 230000000630 rising effect Effects 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
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- 230000005484 gravity Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention relates to a dynamic filtering-membrane device for municipal sewage treatment and a filtering method thereof. The dynamic filtering-membrane device consists of a membrane frame, and a dynamic filtering-membrane component, wherein the dynamic filtering-membrane component is inserted into a groove of the membrane frame and the port of the dynamic filtering-membrane component is sealed by waterproof adhesives. The filtering method comprises the following steps: (1) submerging a membrane filtration unit into a bioreactor in which activated sludge is filled, and communicating and connecting a water outlet of the bioreactor and a discharging tube of the dynamic filtering membrane; (2) carrying out aeration on perforated pipe aerators arranged on the two sides of the dynamic filtering-membrane at the bottom of the bioreactor so as to provide oxygen for the growth and proliferation of the activated sludge in the bioreactor and form a circulatory flow, and form a cross flow on the surface of the dynamic filtering membrane; (3) making the mixed liquor in the bioreactor selectively permeate the dynamic filtering membrane under the push of the liquid level differential pressure, then enter the long groove of the membrane frame, and then pass through the discharging tube communicated with the external so as to obtain membrane water; (4) when the dynamic filtering membrane is polluted seriously, starting the hydraulic power for back-surging; and (5) after the membrane pollution is removed, repeating the steps (2) and (3).
Description
Technical field
The present invention relates to be used for the dynamic filtration membrane reactor and the filter method thereof of WWT.
Background technology
Membrane bioreactor is that membrane separation technique and bioprocesses are organically combined; High efficiency separation effect with membrane technique replaces the second pond in the traditional activated sludge process; Realize traditional technology incomparable mud-water separation and mud concentrated effect, eliminated the influence of sludge bulking.It has also increased substantially concentration of activated sludge in the aeration tank, has save the mud return-flow system, has reduced surplus sludge volume, and through the efficient crown_interception of film to SS, organism, pathogenic bacteria and virus in the waste water, has improved water quality of processed water greatly.Adopt the membrane bioreactor of micro-filtration or ultrafiltration to have some limitations; Cost like membrane module is too high, the consumption of working cost is too high, in the sepn process of film, constantly be trapped within the film surface owing to suspended substance; Cause film to pollute, the decay of effluent flux is very big or the like.
In membrane filtration processes, colloid in the solution and suspended particle are trapped within the film surface and form cake layer under filter pressure, and the phenomenon that causes membrane flux to descend is commonly called film and pollutes.And this cake layer has strengthened the interception capacity of film; Make the bigger film in aperture can hold back bacteriophage even small organic molecule; Just look like on original film, to have formed a skim again; Because this tunic forms in filtration, and it is formed and thickness is to change along with the variation of the processing parameter condition of membrane bioreactor, so call self-forming dynamic membrane to this tunic.
Chinese patent CN200510135563.2 discloses a kind of dynamic micro filter membrane assembly and water treatment process method; Its purpose provides a kind of packing density that increases film; Reduce manufacturing cost and running cost, prolong the film dynamic micro filter membrane assembly and the water technology in work-ing life.Its technology constitutes: said dynamic film component comprises filter chamber and filtering net, and the filter chamber wall has micropore, and the side is equipped with backflushing water intake pipe and is filtered out water pipe; Top dress emptying tracheae, filtering net are converted on the front and rear wall that concave-convex curved surface is fixed in filter chamber, and the filter chamber lower end links to each other with the back flushing gas distribution system; The back flushing gas distribution system comprises gas-distribution pipe and aeration head; Gas-distribution pipe connects inlet pipe, and filter chamber is connected with the male and fomale(M&F) supporting parts in two ends up and down, places filtering net on the supporting parts; Male and fomale(M&F) presses solidly part and is fixed on the filtering net, the supporting parts outside with press solidly part inboard for and the corresponding curved surface of filtering net.Said dynamic micro filter membrane assembly water treatment process method comprises the extension film, filters water outlet, the cleaning of Dynamic Membrane.
Chinese patent CN01144189.5 discloses a kind of application of dynamic film bioreactor mixed solution has been carried out filtering method and device; Its purpose provides a kind of reasonable control operational conditions so that the dynamic membrane filtering resistance is very little; Simultaneously can reach solid-liquid separation effect preferably, the suspended sediment concentration in the water outlet approaches zero application of dynamic film bioreactor mixed solution is carried out filtering method and device.Its technology constitutes: with common porous material is that base material is processed into filter assemblies, puts it in the bio-reactor with successive water inlet, biological respinse and water outlet and makes it to flood, and makes the reactor drum liquid level be higher than its water outlet, forms waterhead.Under situation with face cross-flow, carry out along with filtering, microbial metabolites and bacteriums itself etc. can form the biomass layer through absorption, adhesion, deposition etc. at substrate surface, can reach solid-liquid separation effect preferably.
Above-mentioned two patents are as the representative art of existing dynamic membrane filtering; Its weak point is: the disclosed dynamic micro filter membrane assembly of patent CN200510135563.2 constitutes comparatively complicated, and it is indeterminate to filter power, and cleaning way adopts air water back washing; Need regularly take out cleaning; All comparatively complicated on structure and application mode, industrial amplifying power is poor, is difficult to use as moulding product.The disclosed dynamic membrane filtering method of patent CN01144189.5 is comparatively coarse with the device membrane module; The assembly center lacks the supporting capacity to face; Can not under elevated pressures, carry out dynamic membrane filtering, the cleaning way that Dynamic Membrane is polluted is fairly simple, is difficult to more serious film pollution is cleaned.
Summary of the invention
The purpose of this invention is to provide a kind of with low cost, be suitable for scale operation, easy, the reliable and stable dynamic filtration film bioreactor device that is used for WWT of installation and maintenance.Another object of the present invention provides a kind of filter method that a kind of easy and simple to handle, less energy-consumption, the dynamic filtration film bioreactor device that is used for WWT that can control automatically is provided for municipal sewage treatment.
Technical solution of the present invention is the said dynamic filtration film device that is used for WWT; Comprise: the biological reaction tank of bio-reactor; Its special character is: aerator is equipped with in the both sides of said biological reaction tank, and the centre of biological reaction tank is equipped with and is pegged graft in the film framework, this film frame groove and with the dynamic filtration membrane module of waterproof glue sealed interface.
The enclosed shape groove that said film framework is arranged with by a rectangular parallelepiped, this rectangular parallelepiped from top to bottom, this enclosed shape bottom portion of groove are arranged with crosses the water inside groove, form with the rising pipe that mistake water inside groove is communicated with the vertical end end wall external of this enclosed shape groove.
Said dynamic filtration membrane module by Zi outward in be followed successively by dynamic filtration film base material, nylon leaching net, be bent into corrugated strut member and form; Bonding respectively between dynamic filtration film base material, nylon leaching net, the strut member through waterproof glue.
Said nylon leaching net aperture is 10 orders～50 orders.
Said dynamic filtration film base material is processed by polyester or polyester material, and its aperture is 100 orders～400 orders, and thickness is 50 μ m～200 μ m.
Said dynamic filtration membrane support plate is by square and be bent into corrugated PVC sheet material and constitute; Thick 0.4～the 0.8cm of PVC sheet material; Range difference is 1～3cm between the crest in waviness PVC sheet material cross section and the trough; Distance is 1～4cm between adjacent two crests, and waviness PVC sheet material length is 50～150cm, and wide is 15～80cm.
The aerating system of said dynamic filtration membrane bioreactor is consistent with the predicate of quote power 1 to be the perforation tube aerator; Aeration tube length is consistent with bio-reactor length, and the aeration tube air velocity is 2～10m/s, and eye diameter is 3～5mm; Eyelet spacing 10～15mm, eyelet is downward.
Said biological reaction tank is rectangular build, and long-width ratio is 1:2～1:4, and form ratio is 1:2～2:1; Each installs the diversion trench that is used to guide aeration formation circulation the biological reaction tank both sides in 1/4th places, the thick 1～3cm of diversion trench, and the diversion trench upper edge is lower than liquid level 10～50cm, and the diversion trench lower edge is higher than reactor bottom 20～50cm.
Another technical solution of the present invention is the filter method of said dynamic filtration film device, and its special character is:
⑴ be submerged into membrane filter appts in the bio-reactor with active sludge, and the water outlet of bio-reactor and the rising pipe of dynamic filtration film are connected; The water outlet of bio-reactor is than the low 20cm～50cm of inner liquid level, through liquid level pressure reduction gravity flow water outlet;
⑵ the aerator that be positioned at dynamic filtration film both sides, bio-reactor bottom carries out aeration, gives the growing multiplication oxygen supply of the active sludge in the bio-reactor, forms circulation in the reactor drum because the torrent of aerator act on simultaneously, forms cross-flow on dynamic filtration film surface;
⑶ under the promotion of liquid level pressure reduction, and the mixed solution in the bio-reactor selectively sees through the dynamic filtration film, sees through the waviness runner of liquid through membrane support, gets in the groove of film framework, and warp obtains the film water outlet with the rising pipe of external communications;
⑷ work as dynamic filtration film pollution condition and reach flux less than 10L/m
2H level or dynamic filtration symphysis reforwarding row started hydraulic reverse and dash after 48～72 hours, used recoil flow velocity 10L/m
2Min～20L/m
2Min, recoil hydraulic pressure 0.2MPa～0.4MPa, recoil time 20s～1min;
⑸ repeat above-mentioned steps ⑵ and step ⑶ behind the film pollution clean-up.
Among the said step ⑵, dynamic filtration membrane bioreactor unit surface aeration intensity is 2.5m
3/ m
2H～5.5m
3/ m
2H.
Compared with prior art, advantage of the present invention is:
1, the filtration dynamic film component among the present invention is as a kind of membrane filter appts of handling waste water; Membrane support structure and film framework design have been optimized; Make through liquid and have better fluidised form; Membrane module can have bigger membrane flux, can Cheap highly effective waste water is handled qualified discharge.
2, the filter method that is used for the dynamic filtration film of WWT among the present invention, the water-out manners of utilized head difference gravity flow water outlet has reduced suction pump, can save a large amount of operation energy consumption expenses; Gravity flow water outlet pressure head is chosen as 20cm～50cm, in engineering construction, is prone to realize; Recoil adopts the hydraulic reverse of certain pressure to dash, and the recoil water consumption is few, and the time is short, and is respond well; The two bottom sides aeration mode is adopted in the oxygen supply of dynamic filtration membrane bioreactor, and current form circulation through flow deflector in reactor drum, and the dynamic filtration face is carried out washing away to a certain degree, has alleviated the film pollution; Dynamic filtration film effluent flux is big.
3, the dynamic filtration membrane module and the filter method that are used for WWT among the present invention have the advantage that easy industry is amplified.
4, the filtering membrane strut member is rectangle or is square, is the PVC plate of waviness fluctuating, and the outside is positioned at the membrane module center with the nylon leaching net parcel, plays the effect of liquid drainage after supporting dynamic filtration film face and being beneficial to filtration.
5, the film framework is elongated, and the center has a groove, utilizes a side of groove and membrane support and face to agree with, and plays dynamic filtration membrane module and external stability and effect that filtered liq is drawn.
6, the dynamic filtration film base material adopts the industrial filter cloth of wide material sources, is wrapped in outside the strut member through bonding way, and the carrier as spontaneous biodynamic film growth also plays the effect of larger particles in the filtering biological reactor drum mixed solution simultaneously.
Description of drawings
Fig. 1 is the principle of work synoptic diagram of dynamic filtration film device of the present invention and filter method thereof.
Fig. 2 is the structural representation of film framework of the present invention.
Fig. 3 be among Fig. 2 A-A to sectional view.
Fig. 4 is the structural representation of the strut member of dynamic filtration membrane module of the present invention.
The main parts size nomenclature:
Dynamic filtration membrane module 2 strut members 21 biological reaction tanks 3 flexible pipes 31 aerators 4
Aeration tube 41 valves 5 under meters 6 aeration air pumps 7 side scales 8.
Embodiment
The present invention below will combine accompanying drawing to do further to detail:
See also shown in Figure 1; In the present embodiment, the said dynamic filtration film device that is used for WWT comprises: perforation tube aerator 4 is equipped with in the biological reaction tank 3 of bio-reactor, the both sides of said biological reaction tank 3; Aeration tube 41 length are consistent with bio-reactor length; Aeration tube 41 air velocitys are 2～10m/s, and eye diameter is 3～5mm, eyelet spacing 10～15mm; Eyelet is downward, and aerator 4 is connected with valve 5, under meter 6, the aeration air pump 7 that the bio-reactor outside is communicated with by the road successively through aeration tube 41; The bottom of biological reaction tank 3 is communicated with the outside flexible pipe 31 of bio-reactor by the road, and the water side of flexible pipe 31 is provided with side scale 8.
Said biological reaction tank 3 is rectangular build, and long-width ratio is 1:2～1:4, and form ratio is 1:2～2:1; Each installs the diversion trench that is used to guide aeration formation circulation biological reaction tank 3 both sides in 1/4th places, the thick 1～3cm of diversion trench, and the diversion trench upper edge is lower than liquid level 10～50cm, and the diversion trench lower edge is higher than reactor bottom 20～50cm.
See also Fig. 2, Fig. 3, shown in Figure 4, film framework 1 is equipped with in the centre of biological reaction tank 3, pegs graft in this film frame groove 12 and with the dynamic filtration membrane module 2 of waterproof glue sealed interface.
Enclosed shape groove 12, these enclosed shape groove 12 bottoms that said film framework 1 is arranged with by a rectangular parallelepiped 11, this rectangular parallelepiped 11 from top to bottom are arranged with crosses water inside groove 121, form with the rising pipe 13 that mistake water inside groove 121 is communicated with these enclosed shape groove 12 vertical end end walls external.Film framework 1 utilizes a groove 12 and a side of membrane support 21 and face to agree with, and plays dynamic filtration membrane module 2 and external stability and effect that filtered liq is drawn; The dynamic filtration mould material adopts the industrial filter cloth of wide material sources, is wrapped in outside the strut member 21 through bonding way, and the carrier as spontaneous biodynamic film growth also plays the effect of larger particles in the filtering biological reactor drum mixed solution simultaneously.Enclosed shape groove 12 is in order to agreeing with the diaphragm (not shown), groove 12 long 0.5m, and the wide 2cm of groove had water inside groove 121 in the groove 12, wide 0.6cm, the dark 3cm of groove.Film framework 1 long 0.6m, wide 2 cm, high 4 cm.
Said dynamic filtration membrane module 2 by Zi outward in be followed successively by dynamic filtration film base material (not shown), nylon leaching net (not shown), be bent into corrugated strut member 21 and form; Dynamic filtration film base material (not shown), nylon leaching net (not shown), be bent between the corrugated strut member 21 through waterproof glue bonding respectively.
Said nylon leaching net aperture is 10 orders～50 orders.Said dynamic filtration film base material is processed by polyester or polyester material, and its aperture is 100 orders～400 orders, and thickness is that 50 μ m～200 μ m repeat with power 3.
Said dynamic filtration membrane support 21 is by square and be bent into corrugated PVC sheet material and constitute; Thick 0.4～the 0.8cm of PVC sheet material; Wrap up with the nylon leaching net (not shown) outside of PVC sheet material; Be positioned at dynamic filtration membrane module center, play and support dynamic filtration film face (not shown) and be beneficial to the effect of filtering back liquid drainage; Range difference is 1～3cm between the crest in waviness PVC sheet material cross section and the trough, and distance is 1～4cm between adjacent two crests, and waviness PVC sheet material length is 50～150cm, and wide is 15～80cm.
The filter method of said dynamic filtration film device comprises:
⑴ be submerged into membrane filter appts in the bio-reactor with active sludge, and the water outlet of bio-reactor and the rising pipe of dynamic filtration film are connected; The water outlet of bio-reactor is than the low 20cm～50cm of inner liquid level, through liquid level pressure reduction gravity flow water outlet;
⑵ the aerator that be positioned at dynamic filtration film both sides, bio-reactor bottom carries out aeration, gives the growing multiplication oxygen supply of the active sludge in the bio-reactor, forms circulation in the reactor drum because the torrent of aerator act on simultaneously, forms cross-flow on dynamic filtration film surface; Dynamic filtration membrane bioreactor unit surface aeration intensity is 2.5 m
3/ m
2H～5.5m
3/ m
2H;
⑶ under the promotion of liquid level pressure reduction, and the mixed solution in the bio-reactor selectively sees through the dynamic filtration film, sees through the waviness runner of liquid through membrane support, gets in the groove of film framework, and warp obtains the film water outlet with the rising pipe of external communications;
⑷ work as dynamic filtration film pollution condition and reach flux less than 10 L/m
2H level or dynamic filtration symphysis reforwarding row started hydraulic reverse and dash after 48～72 hours, used recoil flow velocity 10L/m
2Min～20L/m
2Min, recoil hydraulic pressure 0.2MPa～0.4MPa, recoil time 20s～1min;
⑸ repeat above-mentioned steps ⑵ and step ⑶ behind the film pollution clean-up.
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 (2)
1. dynamic filtration membrane bioreactor that is used for WWT; Comprise: the biological reaction tank of bio-reactor; The film framework is equipped with in the centre of biological reaction tank; Aerator is equipped with in the both sides of said biological reaction tank, pegs graft in the said film frame groove and with the dynamic filtration membrane module of waterproof glue sealed interface; The enclosed shape groove that said film framework is arranged with by a rectangular parallelepiped, this rectangular parallelepiped from top to bottom, this enclosed shape bottom portion of groove are arranged with crosses the water inside groove, form with the rising pipe that mistake water inside groove is communicated with the vertical end end wall external of this enclosed shape groove; Said dynamic filtration membrane module by Zi outward in be followed successively by dynamic filtration film base material, nylon leaching net, be bent into corrugated strut member and form; Bonding respectively between dynamic filtration film base material, nylon leaching net, the strut member through waterproof glue; Said nylon leaching net aperture is 10 orders～50 orders; Said dynamic filtration film base material is processed by polyester or polyester material, and its aperture is 100 orders～400 orders, and thickness is 50 μ m～200 μ m; Said dynamic filtration membrane support is by square and be bent into corrugated PVC sheet material and constitute; Thick 0.4～the 0.8cm of PVC sheet material; Range difference is 1～3cm between the crest in waviness PVC sheet material cross section and the trough; Distance is 1～4cm between adjacent two crests, and waviness PVC sheet material length is 50～150cm, and wide is 15～80cm; The aerator of said dynamic filtration membrane bioreactor is the perforation tube aerator, and aeration tube length is consistent with bio-reactor length, and the aeration tube air velocity is 2～10m/s, and eye diameter is 3～5mm, eyelet spacing 10～15mm, and eyelet is downward; Said biological reaction tank is rectangular build, and long-width ratio is 1:2～1:4, and form ratio is 1:2～2:1; Each installs the diversion trench that is used to guide aeration formation circulation the biological reaction tank both sides in 1/4th places, the thick 1～3cm of diversion trench, and the diversion trench upper edge is lower than liquid level 10～50cm, and the diversion trench lower edge is higher than reactor bottom 20～50cm.
2. one kind according to the said filter method that is used for the dynamic filtration membrane bioreactor of WWT of claim 1, comprising:
⑴ be submerged into the dynamic filtration membrane module in the bio-reactor with active sludge, and the water outlet of bio-reactor and the rising pipe of dynamic filtration membrane module are connected; The water outlet of dynamic filtration membrane bioreactor is than the low 20cm～50cm of inner liquid level, through liquid level pressure reduction gravity flow water outlet;
It is characterized in that:
⑵ the aerator that be positioned at dynamic filtration membrane module both sides, bio-reactor bottom carries out aeration; Give the growing multiplication oxygen supply of the active sludge in the bio-reactor; Form circulation in the reactor drum because the torrent of aerator act on simultaneously, form cross-flow on dynamic filtration film surface; Dynamic filtration membrane bioreactor unit surface aeration intensity is 2.5m
3/ m
2H～5.5m
3/ m
2H;
⑶ under the promotion of liquid level pressure reduction, and the mixed solution in the bio-reactor selectively sees through the dynamic filtration film, sees through the waviness runner of liquid through membrane support, gets into the interior warp of groove of film framework and the rising pipe of external communications, obtains the film water outlet;
⑷ work as dynamic filtration membrane module effluent flux less than 10L/m
2H or dynamic filtration membrane module continuous effluent started hydraulic reverse and dash after 48～72 hours, used recoil flow velocity 10 L/m
2Min～20L/m
2Min, recoil hydraulic pressure 0.2MPa～0.4MPa, recoil time 20s～1min;
⑸ repeat above-mentioned steps ⑵ and step ⑶ behind the film pollution clean-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102184961A CN101857304B (en) | 2010-07-06 | 2010-07-06 | Dynamic filtering-membrane bioreactor for sewage treatment and filtering method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102184961A CN101857304B (en) | 2010-07-06 | 2010-07-06 | Dynamic filtering-membrane bioreactor for sewage treatment and filtering method thereof |
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|---|---|
| CN101857304A CN101857304A (en) | 2010-10-13 |
| CN101857304B true CN101857304B (en) | 2012-09-19 |
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| CN2010102184961A Expired - Fee Related CN101857304B (en) | 2010-07-06 | 2010-07-06 | Dynamic filtering-membrane bioreactor for sewage treatment and filtering method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102452717A (en) * | 2010-10-20 | 2012-05-16 | 上海工程技术大学 | Non-woven fabric floc dynamic membrane bioreactor for sewage treatment |
| CN102180542B (en) * | 2011-04-03 | 2012-07-25 | 江苏百纳环境工程有限公司 | Rapid and stable operation method of authigene dynamic membrane component |
| CN102603059B (en) * | 2012-03-29 | 2013-08-14 | 深圳清华大学研究院 | Extraction membrane bioreactor and sewage processing method thereof |
| CN106277703B (en) * | 2016-09-05 | 2019-08-13 | 南京大学 | Sludge treatment method under combined action of physical fiber reinforcement and chemical solidification |
| CN106946347B (en) * | 2017-05-03 | 2022-09-23 | 上海世浦泰膜科技有限公司 | Reverse-flow type external MBR (membrane bioreactor) stirring device and working method thereof |
| CN109647214A (en) * | 2018-12-31 | 2019-04-19 | 上海佐水环保科技有限公司 | A kind of soft plate film module of MBR |
| CN112624490B (en) * | 2020-11-06 | 2024-04-16 | 广东尔湖环境建设有限公司 | System and process for treating wastewater generated by oxidizing tert-butyl alcohol into methacrylic acid in chemical plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012082A (en) * | 2007-01-24 | 2007-08-08 | 大连理工大学 | Bioreactor using polyvinyl alcohol nano microsphere dynamic film as filtration medium |
| CN101422701A (en) * | 2008-11-25 | 2009-05-06 | 北京仁创科技集团有限公司 | Filter unit and manufacture method thereof and water treatment device |
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| CN1168680C (en) * | 2001-12-14 | 2004-09-29 | 清华大学 | Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane |
| CN100384520C (en) * | 2006-09-06 | 2008-04-30 | 山东大学 | Bioreactor of dynamic membrane of 3D filter cloth |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012082A (en) * | 2007-01-24 | 2007-08-08 | 大连理工大学 | Bioreactor using polyvinyl alcohol nano microsphere dynamic film as filtration medium |
| CN101422701A (en) * | 2008-11-25 | 2009-05-06 | 北京仁创科技集团有限公司 | Filter unit and manufacture method thereof and water treatment device |
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| CN101857304A (en) | 2010-10-13 |
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