CN106745701A - Using the method and reaction unit of Membrane Bioreactor for Wastewater Treatment organic wastewater - Google Patents
Using the method and reaction unit of Membrane Bioreactor for Wastewater Treatment organic wastewater Download PDFInfo
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- CN106745701A CN106745701A CN201611085778.2A CN201611085778A CN106745701A CN 106745701 A CN106745701 A CN 106745701A CN 201611085778 A CN201611085778 A CN 201611085778A CN 106745701 A CN106745701 A CN 106745701A
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- membrane bioreactor
- ozone
- organic wastewater
- pond body
- wastewater
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- 239000012528 membrane Substances 0.000 title claims abstract description 66
- 239000002351 wastewater Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 6
- 238000006385 ozonation reaction Methods 0.000 claims description 6
- 230000002572 peristaltic effect Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to a kind of method of use Membrane Bioreactor for Wastewater Treatment organic wastewater, comprise the following steps：Take the sludge tamed to be placed in membrane bioreactor, be passed through pending organic wastewater, sludge loading is 0.07~0.15kgBOD in the reactor to set organic wastewater5/ kg MLSSd, detect the transmembrane pressure of membrane bioreactor, as the transmembrane pressure Cha≤45KPa of membrane bioreactor, are passed through ozone and rinse the membrane bioreactor with the mixture of air.Further relate to a kind of reaction unit for processing organic wastewater.By the technical scheme of the embodiment of the present invention, the problem of fouling membrane can be effectively improved.
Description
Technical field
The present invention relates to field of waste water treatment, Membrane Bioreactor for Wastewater Treatment organic wastewater is used in particular to one kind
Method and treatment organic wastewater reaction unit.
Background technology
Membrane bioreactor (MBR) combines membrane separating process with biodegradation, common with membrane separation device substitution
Second pond in bioreactor, with floor space it is small, effluent quality is good, organic loading is high, excess sludge yield is low, operation
Start concern fast, that the water technology researcher of various countries is increasingly subject to the advantages of be capable of achieving module.However, in running
In cause MBR filtration resistances to be continuously increased due to there is fouling membrane, membrane flux deep fades, increase membrane module change and cleaning
A series of problems, such as frequency, fouling membrane has turned into the current limitation wide variety of bottlenecks of MBR.
The content of the invention
In order to solve the problems, such as fouling membrane, one aspect of the present invention provides a kind of using Membrane Bioreactor for Wastewater Treatment organic waste
The method of water, comprises the following steps：Take the sludge tamed to be placed in membrane bioreactor, be passed through pending organic wastewater,
Sludge loading is 0.07~0.15kgBOD in the reactor to set organic wastewater5/ kgMLSSd, detection membrane bioreactor
Transmembrane pressure, as the transmembrane pressure Cha≤45KPa of membrane bioreactor, is passed through ozone and rinses the film life with the mixture of air
Thing reactor.
Further, ozone dosage is 30~35mg/L, and the ozonization time is 5~20 minutes.
Further, the ozone dosage is 32mg/L, and the ozonization time is 15 minutes.
Further, the dissolved oxygen content of the membrane bioreactor is 2.0~2.3mg/L.
Further, the concentration of the sludge is 5000~12000mg/L.
Further, the concentration of the sludge is 8000mg/L.
Further, also include, setting be connected with the membrane bioreactor peristaltic pump Chou suction pressures Li≤
0.03MPa；Opening, comparing for 9 between the stopping time for the membrane bioreactor is set:1.
Another aspect of the present invention provides a kind of reaction unit for processing organic wastewater, including waste water inlet and pond body, institute
State and membrane bioreactor is provided with pond body, the membrane bioreactor top is provided with delivery port；The pond body bottom is provided with confession
Oxygen mouthful, for being passed through oxygen to pond body；The pond body bottom is provided with mud discharging mouthful；The pond body bottom correspondence film is biological
The position of reactor bottom be provided with air inlet and ozone inlet or, the pond body bottom correspondence membrane biological reaction
The position of device bottom is provided with air ozone and is mixed into gas port.
Further, also including ozone generator, the ozone generator is mixed with the ozone inlet or air ozone
Close air inlet connection.
Further, it is mixed into gas port and is connected with the oxygen supply port, air inlet, ozone inlet, air ozone
Pipeline on be respectively equipped with gas flowmeter.
By the technical scheme of above-described embodiment, any impurity ion is not brought into while waste water is processed, to water body not
Secondary pollution can be caused, so as to improve the flux of film.Longtime running stabilization, effluent quality is high, and sludge output is low, and floor space is small,
With engineering application value higher.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematical without that should manage
Solution is to carry out any limitation to the present invention, in the accompanying drawings：
Fig. 1 is the schematic flow sheet of the method for Membrane Bioreactor for Wastewater Treatment organic wastewater in the embodiment of the present invention；
The method treatment effect schematic diagram of Membrane Bioreactor for Wastewater Treatment organic wastewater in Fig. 2 embodiment of the present invention；
Fig. 3 is the reaction unit structural representation for the treatment of organic wastewater in the embodiment of the present invention；
Fig. 4 is the reaction unit structural representation for the treatment of organic wastewater in the embodiment of the present invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
One aspect of the present invention provides a kind of method of use Membrane Bioreactor for Wastewater Treatment organic wastewater, as described in Figure 1, bag
Include following steps：
S101 takes the sludge tamed and is placed in membrane bioreactor, is passed through pending organic wastewater, sets organic waste
Sludge loading is 0.07~0.15kgBOD to water in the reactor5/kg MLSS·d。
S102 detects the transmembrane pressure of membrane bioreactor, as the transmembrane pressure Cha≤45KPa of membrane bioreactor, is passed through
Ozone rinses the membrane bioreactor with the mixture of air.Because ozone is a kind of cleaning oxidizer, in treatment waste water
Do not bring other impurities ion into simultaneously, secondary pollution is not resulted in water body, it has strong oxidizing property, can be by membrane filtration liquid
Organic matter is decomposed into material that is scattered, being difficult coherent film so that the pollutant on film surface is easier removal, so as to improve film
Flux, can also effectively reduce the frequency of on-line cleaning and offline cleaning, extend the service life of film.Longtime running stabilization,
Effluent quality is high, and sludge output is low, and floor space is small, with engineering application value higher.
It is 30~35mg/L that ozone dosage can be set in the embodiment of the present invention, and the ozonization time is 5~20 minutes, compared with
The ozone dosage is 32mg/L goodly, and the ozonization time is 15 minutes.The dissolved oxygen of the membrane bioreactor is set
It is 2.0~2.3mg/L to measure, and the concentration for setting the sludge is 5000~12000mg/L, or it is preferred that sets the sludge
Concentration be 8000mg/L.
Method in some embodiments of the present invention also includes, the peristaltic pump that setting is connected with the membrane bioreactor
Chou suction pressures Li≤0.03MPa；Opening, comparing for 9 between the stopping time for the membrane bioreactor is set:1, the fortune of membrane bioreactor is set
Opening, comparing between the stopping time for line frequency, i.e. pump intermittent duty is 9:1.
The method of the treatment organic wastewater in some embodiments of the present invention comprises the following steps, takes the sludge tamed and put
In MBR reactors, sludge volume is 10L, and MBR reactors size is 25L.Produced through ozone generator, and ozone is passed through
The MBR reactors.Waste water enters in MBR reactors, is discharged after MBR reactor for treatment, and MBR reactor residence times are 7 small
When.
After MBR reactors run 4 weeks, the transmembrane pressure of MBR reactors reaches 47Pa, is entered with ozone and air gas mixture
Row is rinsed.Ozone dosage is 32mg/L, and action time is 15 minutes.
The dissolved oxygen content of MBR reactors is 2.25mg/L, and sludge concentration is 8000mg/L, and the swabbing pressure of peristaltic pump is
0.028MPa, pumping time is 9:1.
As shown in Fig. 2 it is 450mg/L, BOD that wastewater influent index is COD5It is 275mg/L, SS is 150mg/L, and ammonia nitrogen is
50mg/L.After MBR reactor for treatment, COD, BOD5, SS, the clearance of ammonia nitrogen be respectively 92%, 95%, 96%, 91%.Reach
Good removal effect is arrived.
The method of the treatment organic wastewater that the present invention is provided, any impurity ion is not brought into while waste water is processed, right
Water body does not result in secondary pollution, so as to improve the flux of film.Longtime running stabilization, effluent quality is high, and sludge output is low, takes up an area face
Product is small, with engineering application value higher.
Another aspect of the present invention provides a kind of reaction unit for processing organic wastewater, as shown in figure 3, including waste water inlet
201 and pond body 202, membrane bioreactor (MBR) 203, the top of the membrane bioreactor 203 are provided with the pond body 202
Delivery port is provided with, the delivery port connects outlet pipe 204；The bottom of the pond body 202 is provided with oxygen supply port 210, for logical to pond body
Enter oxygen, the oxygen supply port 210 is connected with oxygen supplying tube 205；The bottom of the pond body 202 is provided with mud discharging mouthful, the sludge row
Mouth is put to be connected with mud discharging pipe 206；The position of the bottom of the pond body 202 correspondence bottom of membrane bioreactor 203 is provided with
Air inlet and ozone inlet, the air inlet and the ozone inlet are used to be passed through air and ozone, to institute
Membrane bioreactor 203 is stated to be cleaned, it is ensured that equipment can longtime running, reduce the frequency for unpicking and washing membrane bioreactor
Rate, so that improve production efficiency, the mode for being passed through air and ozone in the embodiment of the present invention can be using forming ozone and sky
Bottom of pond is passed through again after the mixture of gas, for example, the position of the bottom of the pond body 202 correspondence bottom of membrane bioreactor 203
Air ozone is installed and has been mixed into gas port 209, the mixing that gas port 209 is passed through ozone and air has been mixed into from the air ozone
Thing, the air ozone is mixed into gas port 209 and is connected with air intake duct 207 and ozone air inlet pipe 208；It should be noted that
Air inlet described in the embodiment of the present invention, ozone inlet and air ozone are mixed into gas port 209 and may be provided at film biology
On the bottom of reactor 203, can also be fixed with pond body 202, position is corresponding with membrane bioreactor bottom.
Reaction unit during the present invention is implemented also includes ozone generator, the ozone generator and the ozone inlet
Or air ozone is mixed into gas port 209 and connects.The ozone generator is, for example, to press electric-type ozone generator, ultraviolet irradiation
Formula ozone generator, electrolysis type ozone generator etc..
It is monitored for the flow to each air inlet in the reaction unit, it is necessary to the flow of each air inlet
Detected, for example, connecting gas port 209 is mixed into the oxygen supply port 210, air inlet, ozone inlet, air ozone
Gas flowmeter is respectively equipped with the pipeline for connecing.
The present invention some implementation in provide treatment organic wastewater reaction unit, as shown in figure 4, including waste water inlet 1,
Pond body 2, membrane bioreactor (MBR) 3, delivery port 4 and oxygen supplying tube 5, air bump rinse operation import 7 and the ozone import 8 of Chi Ding are located at,
The bottom of the pond body 2 is provided with mud discharging mouthful 6.
The ozone that ozone import 8 is passed through is produced by ozone generator, is mixed with the air in air hose.Ozone concentration
In 30-35mg/L.Gas flowmeter is connect respectively after oxygen supplying tube 5, air bump rinse operation import 7 and ozone import 8.
During operation, waste water is entered into pond body 2 from waste water inlet 1, is discharged from delivery port 4 after being filtered through membrane module 3.At this
In wastewater treatment process, pond body 2 is aerated by oxygen supplying tube 5.The excess sludge produced in processing procedure is from mud discharging mouthfuls 6 times
It flow to the processing unit of upper level.In backwash process, the mixed gas of air and ozone are respectively from air bump rinse operation import 7 and smelly
Oxygen import 8 enters MBR membrane modules 3 after mixing, and is cleaned.
Compared with existing MBR anaerobic reactors, the reactor in the present invention is passed through ozone during scouring, by oxygen
Change means can be decontaminated effectively, decelerating membrane pollution, realize that MBR runs steadily in the long term.
In the present invention, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicate or
Imply relative importance.Term " multiple " refers to two or more, unless otherwise clearly restriction.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method of use Membrane Bioreactor for Wastewater Treatment organic wastewater, it is characterised in that comprise the following steps：Take and tame
Sludge be placed in membrane bioreactor, be passed through pending organic wastewater, organic wastewater sludge loading in the reactor is set
It is 0.07~0.15kgBOD5/ kg MLSSd, detect the transmembrane pressure of membrane bioreactor, when the cross-film of membrane bioreactor
During Ya Cha≤45KPa, it is passed through ozone and rinses the membrane bioreactor with the mixture of air.
2. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 1, it is characterised in that ozone is thrown
Dosage is 30~35mg/L, and the ozonization time is 5~20 minutes.
3. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 2, it is characterised in that described smelly
Oxygen dosage is 32mg/L, and the ozonization time is 15 minutes.
4. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 1, it is characterised in that the film
The dissolved oxygen content of bioreactor is 2.0~2.3mg/L.
5. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 1, it is characterised in that the dirt
The concentration of mud is 5000~12000mg/L.
6. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 5, it is characterised in that the dirt
The concentration of mud is 8000mg/L.
7. the method for use Membrane Bioreactor for Wastewater Treatment organic wastewater according to claim 1, it is characterised in that also wrap
Include, the Chou suction pressures Li≤0.03MPa of the peristaltic pump that setting is connected with the membrane bioreactor；The membrane bioreactor is set
Open, between the stopping time than for 9:1.
8. a kind of reaction unit for processing organic wastewater, including waste water inlet and pond body, it is characterised in that set in the pond body
There is membrane bioreactor, the membrane bioreactor top is provided with delivery port；The pond body bottom is provided with oxygen supply port, for pond
Body is passed through oxygen；The pond body bottom is provided with mud discharging mouthful；The pond body bottom correspondence membrane bioreactor bottom
Position be provided with air inlet and ozone inlet or, the position of the pond body bottom correspondence membrane bioreactor bottom
It is provided with air ozone and is mixed into gas port.
9. it is according to claim 8 treatment organic wastewater reaction unit, it is characterised in that also including ozone generator, institute
State ozone generator and be mixed into gas port with the ozone inlet or air ozone and be connected.
10. it is according to claim 8 treatment organic wastewater reaction unit, it is characterised in that with the oxygen supply port, sky
Gas air inlet, ozone inlet, air ozone are mixed on the pipeline of gas port connection and are respectively equipped with gas flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611085778.2A CN106745701A (en) | 2016-11-30 | 2016-11-30 | Using the method and reaction unit of Membrane Bioreactor for Wastewater Treatment organic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611085778.2A CN106745701A (en) | 2016-11-30 | 2016-11-30 | Using the method and reaction unit of Membrane Bioreactor for Wastewater Treatment organic wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN106745701A true CN106745701A (en) | 2017-05-31 |
Family
ID=58913968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611085778.2A Pending CN106745701A (en) | 2016-11-30 | 2016-11-30 | Using the method and reaction unit of Membrane Bioreactor for Wastewater Treatment organic wastewater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3412359A1 (en) * | 2017-06-01 | 2018-12-12 | Aristotle University of Thessaloniki - Elke | Method for fouling prevention of membrances in membrance bioreactors |
| CN112320931A (en) * | 2020-10-19 | 2021-02-05 | 上海环境保护有限公司 | MBR membrane maintenance and cleaning method based on data statistics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3412359A1 (en) * | 2017-06-01 | 2018-12-12 | Aristotle University of Thessaloniki - Elke | Method for fouling prevention of membrances in membrance bioreactors |
| GR20170100251A (en) * | 2017-06-01 | 2019-03-20 | Αριστοτελειο Πανεπιστημιο Θεσσαλονικης-Ειδικος Λογαριασμος Κονδυλιων Ερευνας | Method for fouling prevention of membranes in membrane bioreactors |
| GR1009495B (en) * | 2017-06-01 | 2019-03-29 | Αριστοτελειο Πανεπιστημιο Θεσσαλονικης-Ειδικος Λογαριασμος Κονδυλιων Ερευνας | Method for fouling prevention of membranes in membrane bioreactors |
| CN112320931A (en) * | 2020-10-19 | 2021-02-05 | 上海环境保护有限公司 | MBR membrane maintenance and cleaning method based on data statistics |
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Application publication date: 20170531 |