CN213012457U - High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment - Google Patents
High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment Download PDFInfo
- Publication number
- CN213012457U CN213012457U CN202021111546.1U CN202021111546U CN213012457U CN 213012457 U CN213012457 U CN 213012457U CN 202021111546 U CN202021111546 U CN 202021111546U CN 213012457 U CN213012457 U CN 213012457U
- Authority
- CN
- China
- Prior art keywords
- membrane bioreactor
- membrane
- fenton
- phase
- bioreactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 110
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 230000008878 coupling Effects 0.000 title claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims abstract description 38
- 238000005273 aeration Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 29
- 239000002351 wastewater Substances 0.000 claims description 23
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000009991 scouring Methods 0.000 claims description 2
- 239000010815 organic waste Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 238000005086 pumping Methods 0.000 description 9
- 239000010802 sludge Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 6
- 238000004043 dyeing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000001471 micro-filtration Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 239000012028 Fenton's reagent Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a fragrant and membrane bioreactor coupling aggregate unit of high-efficient heterogeneous light, including light fenton catalyst, agitator, filter screen, former water tank, light fenton reactor, membrane bioreactor, air pump, ultraviolet lamp, membrane module, thermometer, peristaltic pump, micropore aeration system, vacuum pressure table and control valve, ultraviolet lamp and agitator set up respectively in light fenton reactor, light fenton reactor links to each other with the peristaltic pump, the filter screen is connected to the peristaltic pump other end, the membrane bioreactor is connected to the filter screen other end, the membrane bioreactor still is connected with thermometer, membrane module and micropore aeration system, vacuum pressure gauge is connected to the membrane module other end, the vacuum pressure gauge other end is connected with the diaphragm pump. The utility model discloses not only reduced the membrane pollution based on out-of-phase light fenton and membrane bioreactor, prolonged the membrane life-span moreover to solved traditional membrane bioreactor and had treated the inefficiency to high concentration organic waste water, membrane pollution is serious and the short-lived problem of membrane life-span.
Description
Technical Field
The utility model belongs to the technical field of water treatment, a high-efficient out-of-phase light fenton and membrane bioreactor coupling aggregate unit is related to.
Background
Homogeneous fenton not only has harsh reaction conditions, but also has the defect that fenton reagents are difficult to separate and recycle, and a large amount of acid and alkali are required to be added to adjust the pH value in wastewater, so that the operation cost is increased. After the reaction is finished, a large amount of iron mud which is difficult to treat is generated, and secondary pollution is caused. Heterogeneous light Fenton is the emerging technology of the unable recycle's of Fenton reagent problem appearance of handling high concentration organic waste water in aiming at homogeneous phase Fenton, and its reaction PH scope is wider, has avoided adding the PH in a large amount of acid and alkali regulation waste water, does not produce iron mud simultaneously, has avoided secondary pollution.
A Membrane Bioreactor (MBR) is a high-efficiency wastewater treatment technology combining biological treatment and Membrane separation process reinforcement. The membrane bioreactor can basically retain all sludge particles and bacteria in the muddy water mixed liquid in the reactor, so that the activated sludge in the biological reaction tank does not flow out along with effluent, and the activated sludge has longer retention time and higher concentration. Based on the characteristics of high volume load, good effluent quality, small occupied area, low sludge yield and the like of the membrane bioreactor, the membrane bioreactor has become a hotspot of industrial application research. However, when the MBR technology is used for treating high-concentration organic wastewater, the problems of low microbial decomposition efficiency, serious membrane pollution and the like still exist, and the wide application of the MBR technology in the industrial wastewater treatment is hindered.
High-concentration organic wastewater is treated by coupling of homogeneous-phase Fenton and a membrane bioreactor, the problem that the organic wastewater is difficult to treat is solved to a certain extent, but a large amount of iron mud is generated after the homogeneous-phase Fenton reaction, secondary pollution is caused, a catalyst cannot be recycled, and the operation cost is increased. The catalyst of the method greatly enters a membrane bioreactor system, the biological decomposition efficiency is reduced after long-term operation, and the membrane pollution is greatly accelerated.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem existing in the prior art, thereby providing a simple structure, not only avoiding a large amount of iron mud produced in the homogeneous phase fenton, improving the treatment effect of high-concentration organic wastewater simultaneously, reducing the membrane pollution in the membrane bioreactor, operating for a long time, having no obvious influence on the organism, the membrane pollution rate remains the high-efficient out-phase light fenton and the membrane bioreactor coupling aggregate unit of lower level all the time.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a high-efficient heterogeneous light fenton and membrane bioreactor coupling aggregate unit, includes light fenton catalyst, agitator, filter screen, former water tank, light fenton reactor, membrane bioreactor, air pump, ultraviolet lamp, membrane module, thermometer, peristaltic pump, micropore aeration system, vacuum manometer and control valve, ultraviolet lamp and agitator set up respectively in light fenton reactor, light fenton reactor links to each other with the peristaltic pump, the filter screen is connected to the peristaltic pump other end, the membrane bioreactor is connected to the filter screen other end, membrane bioreactor still is connected with thermometer, membrane module and micropore aeration system, vacuum pressure gauge is connected to the membrane module other end, the vacuum pressure gauge other end is connected with the diaphragm pump.
Preferably, the photo-Fenton catalyst replaces Fe in homogeneous Fenton2+The inorganic porous material is used as a load, has large specific surface area, and can be used for preparing a material for a lithium batteryThe adsorption has the advantage that the iron in the calcined material is firmly loaded on the inorganic porous material and can be recycled.
Preferably, the photo-Fenton catalyst is acidified by inorganic porous materials and concentrated nitric acid, so that the specific surface area is increased, the iron loading capacity is increased, and the catalytic effect is improved.
Preferably, the stirrer can uniformly mix the photo-Fenton catalyst with the high-concentration organic wastewater, thereby improving the treatment efficiency.
Preferably, the filter screen can effectively retain the catalyst after the heterogeneous light Fenton reaction, and the system can be kept to operate stably and continuously.
Preferably, the microporous aeration system is characterized in that an aeration pipe is arranged in the bioreactor for perforation aeration, the microporous aeration system is connected with an air compressor and is divided into a central aeration pipe or a circular aeration pipe according to the aeration form, and the turbulence degree of fluid in the bioreactor is enhanced through aeration so as to enhance the shearing and washing of pollutants on the surface of the membrane.
Preferably, the photoFenton hydraulic retention time is 2 hours, and the membrane bioreactor hydraulic retention time is 24 hours.
The utility model discloses high-efficient out-of-phase light fenton and membrane bioreactor coupling aggregate unit's beneficial effect: because the high-efficiency out-of-phase light-Fenton and membrane bioreactor coupling linkage equipment uses the inorganic porous material as the load material, the light-Fenton catalyst is prepared by adopting an immersion method, the light-Fenton and membrane bioreactor coupling linkage equipment can be repeatedly used for many times, the photocatalysis effect is not obviously reduced, and iron leakage is hardly caused; the filter screen is added, so that the complete recovery of the catalyst is ensured, and the continuous operation of the coupling process is ensured; and after the heterogeneous light Fenton, harmful substances in the wastewater are removed, so that the operating pressure of the membrane bioreactor is reduced, and the membrane pollution is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the high-efficiency out-phase photo-Fenton and membrane bioreactor coupling linkage device of the present invention;
FIG. 2 is a technical block diagram of the high-efficiency out-phase photo-Fenton and membrane bioreactor coupling linkage device of the present invention;
FIG. 3 shows the removal rate of the photo-Fenton catalyst COD of the high efficiency out-of-phase photo-Fenton and membrane bioreactor coupling linkage device with different load materials;
FIG. 4 shows the removal rate of COD by the continuous use of the catalyst using activated carbon as the load material in the high-efficiency out-phase photo-Fenton and membrane bioreactor coupling linkage apparatus of the present invention;
FIG. 5 shows the COD removal rate of the printing and dyeing wastewater by the high-efficiency out-phase photo-Fenton and membrane bioreactor coupled linkage device and the traditional membrane bioreactor;
FIG. 6 is a graph showing the change of the membrane flux of the high-efficiency out-phase light-Fenton and membrane bioreactor coupling linkage device and the conventional membrane bioreactor with time;
FIG. 7 shows the COD removal rate of the high-efficiency out-phase photo-Fenton and membrane bioreactor coupled linkage device for leather wastewater.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1 to 7, the present invention adopts the following technical solutions: a high-efficiency out-of-phase photo-Fenton and membrane bioreactor coupling linkage device comprises a photo-Fenton catalyst, a stirrer 1-3, a filter screen 1-5, a raw water tank, a photo-Fenton reactor 1-2, a membrane bioreactor 1-7, an air pump, an ultraviolet lamp 1-1, a membrane assembly 1-9, a thermometer 1-8, a peristaltic pump 1-4, a micro-pore aeration system 1-6, a vacuum pressure gauge 1-10 and a control valve, wherein the ultraviolet lamp 1-1 and the stirrer 1-3 are respectively arranged in the photo-Fenton reactor 1-2, the photo-Fenton reactor 1-2 is connected with the peristaltic pump 1-4, the other end of the peristaltic pump 1-4 is connected with the filter screen 1-5, the other end of the filter screen 1-5 is connected with the membrane bioreactor 1-7, the membrane bioreactor 1-7 is also connected with a thermometer 1-8, a membrane component 1-9 and a microporous aeration system 1-6, the other end of the membrane component 1-9 is connected with a vacuum pressure gauge 1-10, and the other end of the vacuum pressure gauge 1-10 is connected with a diaphragm pump 1-11.
The photo-Fenton catalyst replaces Fe in homogeneous Fenton2+The method adopts the inorganic porous material as a load, has the advantages of large specific surface area and adsorbability, and iron in the calcined material is firmly loaded on the inorganic porous material and can be recycled.
The photo-Fenton catalyst is acidified by inorganic porous materials and concentrated nitric acid, so that the specific surface area of the photo-Fenton catalyst is increased, the iron loading capacity is increased, and the catalytic effect is improved.
The stirrer 1-3 can uniformly mix the photo-Fenton catalyst and the high-concentration organic wastewater, and the treatment efficiency is improved.
The filter screens 1-5 can effectively retain the catalyst after the heterogeneous light Fenton reaction, and the system can be kept to operate stably and continuously.
The microporous aeration systems 1 to 6 are characterized in that aeration pipes are arranged in the bioreactor for perforation aeration, are connected with an air compressor and are divided into central aeration pipes or circular aeration pipes according to the aeration mode, and the turbulence degree of fluid in the bioreactor is enhanced through aeration so as to enhance the shearing and scouring of pollutants on the surface of a membrane.
The heterogeneous photo-Fenton can degrade toxic and harmful substances in the wastewater, so that the heterogeneous photo-Fenton can be used for treating toxic wastewater.
The photoFenton hydraulic retention time is 2 hours, and the membrane bioreactor hydraulic retention time is 24 hours.
The ultraviolet lamp 1-1 is used for providing ultraviolet light for heterogeneous light Fenton, and the stirrer 1-3 is used for fully mixing a light Fenton catalyst in the light Fenton reactor with high-concentration organic wastewater to ensure that the light Fenton is smoothly carried out.
The peristaltic pump 1-4 and the filter screen 1-5 ensure that the organic wastewater in the photo-Fenton reactor 1-2 flows to the membrane bioreactor, and meanwhile, the photo-Fenton catalyst in the photo-Fenton reactor 1-2 is intercepted.
The system comprises a microporous aeration system 1-6, a thermometer 1-8, a membrane bioreactor 1-7, a membrane module 1-9, a diaphragm pump 1-11, a membrane bioreactor 1-7, a membrane module 1-9, a vacuum meter 1-10, a diaphragm pump 1-11, a diaphragm pump, a photoelectric Fenton catalyst, a carrier, a ferrous sulfate and iron, wherein the microporous aeration system provides air for the membrane bioreactor 1-7 to enable bacteria to be rapidly propagated, the temperature in the membrane bioreactor 1-7 is monitored in real time, the membrane module 1-9 ensures sludge-water separation, the vacuum meter 1-10 records transmembrane pressure difference, the diaphragm pump provides pressure for the operation of the membrane bioreactor 1-7, the light Fenton catalyst takes activated carbon as the carrier, the activated carbon is acidified.
Example 1:
and (3) treating the printing and dyeing wastewater by adopting a novel coupling process of an out-of-phase photo-Fenton reactor and a membrane bioreactor, and measuring the COD of the effluent of the photo-Fenton reactor and the membrane bioreactor and the change of membrane flux along with time. Operating conditions of the photo-fenton reactor: 5000ml of high-concentration printing and dyeing wastewater is added with 1.8g of catalyst, the ultraviolet light is used for 2 hours, and the catalyst is recycled for ten times. The operating conditions of the membrane bioreactor are as follows: pumping for 8min by adopting an intermittent water pumping mode, stopping pumping for 2min, keeping the hydraulic retention time for 24h, ensuring that the volume of the reactor is 40L, the transmembrane pressure difference of a PVDF microfiltration membrane is between 0.04MPa, and the sludge concentration is about 5000 mg/L. FIG. 3 shows the removal effect of the printing and dyeing wastewater COD by photo-Fenton of the photo-Fenton catalyst prepared by using activated carbon, clay, zeolite and titanium dioxide as the supporting materials, respectively, and the results show that the catalyst using activated carbon as the supporting material has the best removal effect and the removal rate reaches 51%. Fig. 4 is a graph for demonstrating the stability of the photo-fenton catalyst, which was taken out and washed once every 2 days and then returned, and as a result, it was found that the photo-fenton catalyst always maintained high catalytic activity and still had a COD removal rate of 49% even when used for the tenth time. As can be seen from FIG. 5, the COD removal rate of the coupled system is above 90% after the coupled system runs for 60 days, while the COD removal rate of the traditional membrane bioreactor is about 40%. As can be seen from FIG. 6, the flux of the coupled system is kept at a high level relative to that of the conventional membrane bioreactor, and the flux recovery after cleaning is high.
Example 2:
and (3) treating the leather wastewater by adopting a novel coupling process of an out-of-phase photo-Fenton reactor and a membrane bioreactor, and measuring the COD of the effluent of the photo-Fenton reactor and the membrane bioreactor. Operating conditions of the photo-fenton reactor: 5000ml of high-concentration leather wastewater is added with 1.8g of catalyst, and the catalyst is circularly used for ten times after being irradiated by ultraviolet light for 2 hours. The operating conditions of the membrane bioreactor are as follows: pumping for 8min by adopting an intermittent water pumping mode, stopping pumping for 2min, keeping the hydraulic power for 24h, ensuring that the volume of the reactor is 40L, the transmembrane pressure difference of a PSF ultrafiltration membrane is 0.04, and the sludge concentration is about 5000 mg/L. As can be seen from FIG. 7, the COD removal rate in the photo-Fenton process is kept at about 50%, and the ultrafiltration membrane is used in the coupling system to replace the microfiltration membrane, so that the COD removal rate reaches more than 97% from about 90%.
And (3) treating the printing and dyeing wastewater only by adopting a membrane bioreactor, and measuring the change of the COD (chemical oxygen demand) of membrane effluent and the membrane flux.
The sludge concentration in the membrane bioreactor is about 5000mg/L, the hydraulic retention time is 24h, an intermittent water pumping mode is adopted, water pumping is carried out for 8min, the water pumping is stopped for 2min, and the transmembrane pressure difference of the PVDF microfiltration membrane is 0.04 MPa. As can be seen from fig. 5, the removal rate of COD was around 40% when the system was operated for 60 days, and as can be seen from fig. 6, the membrane flux rapidly decreased, and the recovery after cleaning was inferior to that of the coupled system.
The utility model discloses high-efficient out-of-phase light fenton and membrane bioreactor coupling aggregate unit's beneficial effect: because the high-efficiency out-of-phase light-Fenton and membrane bioreactor coupling linkage equipment uses the inorganic porous material as the load material, the light-Fenton catalyst is prepared by adopting an immersion method, the light-Fenton and membrane bioreactor coupling linkage equipment can be repeatedly used for many times, the photocatalysis effect is not obviously reduced, and iron leakage is hardly caused; the filter screen is added, so that the complete recovery of the catalyst is ensured, and the continuous operation of the coupling process is ensured; and after the heterogeneous light Fenton, harmful substances in the wastewater are removed, so that the operating pressure of the membrane bioreactor is reduced, and the membrane pollution is reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. A high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment is characterized in that: including light fenton catalyst, agitator, filter screen, former water tank, light fenton reactor, membrane bioreactor, air pump, ultraviolet lamp, membrane module, thermometer, peristaltic pump, micropore aeration system, vacuum pressure table and control valve, ultraviolet lamp and agitator set up respectively in light fenton reactor, light fenton reactor links to each other with the peristaltic pump, the filter screen is connected to the peristaltic pump other end, membrane bioreactor is connected to the filter screen other end, membrane bioreactor still is connected with thermometer, membrane module and micropore aeration system, vacuum pressure table is connected to the membrane bioreactor other end, the vacuum pressure table other end is connected with the diaphragm pump.
2. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 1, wherein: the photo-Fenton catalyst replaces Fe in homogeneous Fenton2+The method adopts the inorganic porous material as a load, has the advantages of large specific surface area and adsorbability, and iron in the calcined material is firmly loaded on the inorganic porous material and can be recycled.
3. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 2, wherein: the photo-Fenton catalyst is acidified by inorganic porous materials and concentrated nitric acid, so that the specific surface area of the photo-Fenton catalyst is increased, the iron loading capacity is increased, and the catalytic effect is improved.
4. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 1, wherein: the stirrer can uniformly mix the photo-Fenton catalyst with high-concentration organic wastewater, and the treatment efficiency is improved.
5. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 1, wherein: the filter screen can effectively intercept the catalyst after the heterogeneous light Fenton reaction, and the system can be kept to operate stably and continuously.
6. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 1, wherein: the microporous aeration system is characterized in that an aeration pipe is arranged in a bioreactor for perforation aeration, the microporous aeration system is connected with an air compressor and is divided into a central aeration pipe or a circular aeration pipe according to the aeration mode, the turbulence degree of fluid in the bioreactor is enhanced through aeration, and the shearing scouring of pollutants on the surface of a membrane is enhanced.
7. The high-efficiency out-of-phase photoFenton and membrane bioreactor coupling linkage equipment of claim 1, wherein: the photoFenton hydraulic retention time is 2 hours, and the membrane bioreactor hydraulic retention time is 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021111546.1U CN213012457U (en) | 2020-06-16 | 2020-06-16 | High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021111546.1U CN213012457U (en) | 2020-06-16 | 2020-06-16 | High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213012457U true CN213012457U (en) | 2021-04-20 |
Family
ID=75496114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021111546.1U Active CN213012457U (en) | 2020-06-16 | 2020-06-16 | High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213012457U (en) |
-
2020
- 2020-06-16 CN CN202021111546.1U patent/CN213012457U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102107988B (en) | Phenol-amine wastewater treatment and recycling method and device | |
| CN105776760A (en) | Advanced treatment system and method for crushed coal pressurized gasification waste water | |
| CN108503019A (en) | A kind of membrane bioreactor and sewage water treatment method | |
| CN201932988U (en) | Anaerobic/aerobic contact oxidation membrane bioreactor | |
| CN107827325A (en) | Confined space sewage disposal system and method | |
| CN105060617A (en) | Double-membrane internal-cycle biological treatment process of low-concentration organic waste water | |
| CN111362509A (en) | Integrated treatment and recycling process for culture circulating water | |
| CN113087321A (en) | Container formula electro-Fenton biochemical pond MBR membrane allies oneself with uses water treatment system | |
| CN211999358U (en) | Leachate treatment system | |
| CN111718062A (en) | Coupling process of efficient out-phase photoFenton and membrane bioreactor | |
| CN105692867B (en) | A kind of O3 contacted oxidation device for landfill leachate depth efficient process | |
| CN213012457U (en) | High-efficiency out-of-phase light Fenton and membrane bioreactor coupling linkage equipment | |
| CN207958059U (en) | Confined space sewage disposal system | |
| CN208561849U (en) | A kind of moving-bed biofilm reaction equation sewage disposal system | |
| CN204981497U (en) | Handle two membrane inner loop bioreaction system of low concentration organic waste water | |
| CN206328290U (en) | The aerobic collaboration processing cutting liquid waste plant of coagulation anaerobic hydrolysis | |
| CN108751624A (en) | A kind of method of the municipal decentralized wastewater of processing and combinations thereof equipment | |
| CN213231883U (en) | Device for treating wastewater based on physical adsorption coupling photo-Fenton oxidation technology | |
| CN114853271A (en) | Landfill leachate wastewater treatment system and treatment method | |
| CN210127161U (en) | Photocatalytic oxidation and membrane aeration technology coupling device | |
| CN209065695U (en) | A kind of interior cycling denitrification biofilter coupling micro-filtration membrane water treatment device | |
| CN208022780U (en) | A kind of up flow type water distribution gas distribution denitrification and nitrosation biofilter | |
| CN208104026U (en) | Anaerobic baffled reactor | |
| CN201317709Y (en) | Membrane bioreactor | |
| CN212269772U (en) | Two dirty effluent treatment plant of membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |