CN201809262U - Optimized integrated device for high effective biological and advanced treatment of garbage leachate - Google Patents
Optimized integrated device for high effective biological and advanced treatment of garbage leachate Download PDFInfo
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- CN201809262U CN201809262U CN2010205474800U CN201020547480U CN201809262U CN 201809262 U CN201809262 U CN 201809262U CN 2010205474800 U CN2010205474800 U CN 2010205474800U CN 201020547480 U CN201020547480 U CN 201020547480U CN 201809262 U CN201809262 U CN 201809262U
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- 238000001728 nano-filtration Methods 0.000 claims abstract description 50
- 239000012528 membrane Substances 0.000 claims abstract description 45
- 239000000126 substance Substances 0.000 claims abstract description 10
- 238000005457 optimization Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000001471 micro-filtration Methods 0.000 claims description 15
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 4
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical group [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- 239000000149 chemical water pollutant Substances 0.000 claims 9
- 239000002131 composite material Substances 0.000 claims 3
- 238000005262 decarbonization Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000005261 decarburization Methods 0.000 claims 2
- 238000011010 flushing procedure Methods 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003814 drug Substances 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000004907 flux Effects 0.000 abstract description 3
- 238000005374 membrane filtration Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 238000010170 biological method Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 230000008676 import Effects 0.000 abstract 1
- 238000000053 physical method Methods 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 239000008399 tap water Substances 0.000 abstract 1
- 235000020679 tap water Nutrition 0.000 abstract 1
- 230000008569 process Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000002000 scavenging effect Effects 0.000 description 5
- WUYJNCRVBZWAOK-UITAMQMPSA-N (5Z)-5-[(4-hydroxy-3-methylphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one Chemical compound CC1=C(O)C=CC(\C=C2/SC(=S)NC2=O)=C1 WUYJNCRVBZWAOK-UITAMQMPSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000006396 nitration reaction Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an optimized integrated device for high effective biological and advanced treatment of garbage leachate, which comprises a combined type membrane biological reactor, a pretreatment unit and a nanofiltration system. The combined type membrane biological reactor, the pretreatment unit and the nanofiltration system are connected in order to realize the high effective biological and advanced treatment of the garbage leachate. The device integrates traditional biological method, physical method and chemical method and advanced membrane filtration treatment technology, imports the mature technology of a tap water plant, greatly improves the biological treatment effect through effective recombination and the optimization and adjustment to technological parameters, effectively avoids the membrane from being polluted, improves recovery ratio, simultaneously ameliorates the operating conditions of a membrane system, improves membrane flux, accordingly decreases the using amount of the membrane, and reduces investment and operating costs.
Description
Technical field
The utility model relates to a kind of treatment unit of percolate.
Background technology
Percolate is the organic waste water of a kind of high density, difficult degradation, generally contains 60%～90% organic pollutant and 3%～18% hard-degraded substance, is mainly derived from the interior moisture of precipitation, rubbish itself and water that rubbish produces in decomposition course.The processing of high density refractory organic is the great difficult problem during percolate is handled, and adopts physico-chemical process or biochemical process often to be difficult to the discharging standards that reaches new merely.New membrane treatment technologies such as reverse osmosis are mainly adopted in the processing that is difficult to the biochemical degradation pollution substance for this class in the world at present.Although these advanced treatment technology can be removed this class organic pollutant effectively, because its facility investment and operational management expense are quite expensive, system stability is poor, and maintenance of the equipment is frequent, therefore is not adapted at the such developing country of China and generally applies.Therefore, seek a kind of efficient, safety, the treatment process of taking into account the high density refractory organic of economic and social benefit simultaneously again is to solve the key content that percolate is handled problems.
The utility model content
The purpose of this utility model is to provide a kind of percolate high-performance bio and advanced treatment to optimize integrated device, this has installed has gathered traditional biological process, physics method and advanced membrane treatment process, and the sophisticated technology in introducing waterworks, by effective combination and to the parameters Optimization adjustment, effectively improve the effect of biological treatment, and avoid film to pollute effectively, improve the rate of recovery, simultaneously because the improvement of film system operational conditions, improve its membrane flux, thereby reduce the consumption of film, reduce the expense of investment and operation.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of percolate high-performance bio and advanced treatment are optimized integrating device, it is characterized in that: be made up of combined film bioreactor, pretreatment unit and nanofiltration system three parts, described combined film bioreactor, pretreatment unit and nanofiltration system three parts are connected successively.
Described combined film bioreactor comprises oxygen-starved area, three parts of aerobic zone and film district, described oxygen-starved area connects raw water pump, described aerobic zone is provided with combined stuffing, described film district is provided with the film system, the film system is made up of micro-filtration membrane module, film dosing cleaning case and chemical cleaning pump, chemical cleaning pump is arranged on micro-filtration membrane module and the pipeline that film dosing cleaning case is connected, and micro-filtration membrane module is connected with the product water tank by producing water pump.
Be provided with submersible agitator in the described oxygen-starved area, described aerobic zone is connected with the NaOH dosing tank, the pipeline that aerobic zone is connected with the NaOH dosing tank is provided with the NaOH dosing pump, be connected with line pump between aerobic zone and the film district, the pipeline that oxygen-starved area, three parts of aerobic zone and film district are connected is provided with sludge reflux pump, be provided with aerating system in aerobic zone and the film district, aerating system is connected with centrifugal blower.
Described pretreatment unit comprises ion-exchanger and decarbonizing tower, produces water tank and is connected with ion-exchanger by the pretreatment system intake pump, and decarbonizing tower is connected with ion-exchanger.
Described ion-exchanger adopts the macroporous type hydrogen ion exchange resin.
Described decarbonizing tower is connected with gas blower.
Described nanofiltration system is in parallel or be composed in series by nanofiltration membrane, and nanofiltration system is connected with decarbonizing tower, is disposed with lift pump, accurate filter and high-pressure pump on decarbonizing tower and the pipeline that nanofiltration system is connected.
Described nanofiltration system is provided with the flush/clear device, and flush/clear device and scavenging pump are connected on the pipeline between accurate filter and the high-pressure pump.
Described nanofiltration system is connected with produces the pond, produces the pond and is connected with ion-exchanger by regenerative pump.
Principle of work of the present utility model and process are: percolate enters combined film bioreactor (HMBR) under the effect of raw water pump, HMBR is divided into three functional areas, oxygen-starved area (A district), aerobic zone (O district) and film district.Wherein oxygen-starved area and aerobic zone are realized nitrated-denitrification denitrogenation process simultaneously by the removal that alternately realizes BOD/COD of anoxic/aerobic environment.The A district is provided with submersible agitator and stirs, and the O district adopts micro-pore aeration.Simultaneously in A district, O district places fixed type biological membrane carrier filler, the carrier surface forming biofilm property of raising microorganism, the processing power of the COD of raising system.Percolate enters the film district through after A district and the O district, and the microfiltration membrane of hollow fiber is placed in the film district, and in the bottom of hollow-fibre membrane micro porous aeration head is set, and it mainly is to utilize the film surface of constantly washing away of air-flow to reduce the film pollution.The aperture of microfiltration membrane is micron-sized, and it can be effectively isolated mud, particulate matter and larger molecular organics, and small organic molecule and water pass through, thereby to the further removal of pollutent.The water outlet in film district enters into pretreatment unit, pretreatment unit mainly comprises ion-exchanger and decarbonizing tower, ion-exchanger mainly cements out the calcium in the former water, magnesium ion by the mode of ion-exchange, thereby removal water hardness, the water outlet of ion-exchanger is acid and enters decarbonizing tower, under the stripping effect of gas blower, the CO in the water
2Be removed, thus the basicity of removal water; The decarbonizing tower water outlet enters accurate filter by lift pump, can will hold back greater than 5 microns particle, the accurate filter water outlet then is pumped into nanofiltration system by high-pressure pump, nanofiltration system is mainly in parallel or be composed in series by nanofiltration membrane, the dense water of nanofiltration system recharges refuse landfill and handles, and produces water qualified discharge or reuse.During its PH when HMBR carries out nitration reaction＜8 (nitration reaction can be produced acid), regulate the basicity of aerobic zone, improve the activity (nitrobacteria its biological activity in pH is 8～9 scope is the strongest) of nitrifier by starting the NaOH dosing tank; When existing special pollutent to form little pollution in the percolate on the film surface, regularly wash nanofiltration system by the flush/clear device, the flush/clear device can not produce fouling and pollution under the effect of scavenging pump nanofiltration system being washed with water quality before guaranteeing to enter nanofiltration system.The product water of nanofiltration system can be used for the regeneration of ion-exchanger, promotes under the regenerative pump effect, and ion-exchanger is by adding industrial acids and alkali is regenerated.
The beneficial effects of the utility model are, on pre-treatment and nanofiltration operation process breakthrough are arranged, and the ion-exchanger removal device of for example setting up can be removed the calcium ions and magnesium ions in the water, and difficulty soluble salt causes fouling in the deposition on film surface when eliminating the nanofiltration membrane concentration polarization; Improved the environment of film system operation simultaneously, can make the flux of film improve 20～40%.When nanofiltration system was moved, the timing cleaning procedure of increase can be eliminated issuable slight fouling and organic pollution under the nanofiltration concentration polarization condition.
By improving above technology, make that percolate high-performance bio and advanced treatment apparatus are stable, and, the rate of recovery of nanofiltration can be increased to more than 90% because the film pollution effect is less, even 97% (depending primarily on water quality).In this device, water-borne glue body, microorganism, organism, oil and grease can not pollute nanofiltration membrane, and system is had no effect.The utility model has been applied to have advantages of high practicability in the treatment system of percolate at present.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is that structure of the present utility model is formed and schematic flow sheet
1. raw water pumps among the figure, 2. oxygen-starved area, 3. aerobic zone, 4. film district, 5. sludge reflux pump, 6. line pump, 7. the product water pump 8. produces water tank, 9. film dosing cleaning case, 10.NaOH dosing tank, 11. chemical cleaning pumps, 12.NaOH dosing pump, 13. centrifugal blower 14. aerating systems, 15. submersible agitators, 16. combined stuffings, 17. micro-filtration membrane module, 18. pretreatment system intake pumps, 19. ion-exchangers, 20. decarbonizing tower, 21. gas blowers, 22. lift pumps, 23. accurate filter, 24. flush/clear devices, 25. scavenging pumps, 26. high-pressure pump, 27. nanofiltration system, 28. produce pond, 29. regenerative pumps
Embodiment
As shown in Figure 1, the utility model percolate high-performance bio and advanced treatment are optimized integrating device, be made up of combined film bioreactor, pretreatment unit and nanofiltration system three parts, combined film bioreactor, pretreatment unit and nanofiltration system three parts are connected successively.
Combined film bioreactor comprises oxygen-starved area 2,4 three parts of aerobic zone 3 and film district, described oxygen-starved area 2 connects raw water pump 1, described aerobic zone 3 is provided with combined stuffing 16, described film district 4 is provided with the film system, the film system is made up of micro-filtration membrane module 17, film dosing cleaning case 9 and chemical cleaning pump 11, chemical cleaning pump 11 is arranged on micro-filtration membrane module 17 and the pipeline that film dosing cleaning case 9 is connected, and micro-filtration membrane module 17 is connected with product water tank 8 by producing water pump 7.Be provided with submersible agitator 15 in the oxygen-starved area 2, described aerobic zone 3 is connected with NaOH dosing tank 10, the pipeline that aerobic zone 3 is connected with NaOH dosing tank 10 is provided with NaOH dosing pump 12, be connected with line pump 6 between aerobic zone 3 and the film district 4, the pipeline that oxygen-starved area 2,4 three parts of aerobic zone 3 and film district are connected is provided with sludge reflux pump 5, be provided with aerating system 14 in aerobic zone 3 and the film district 4, aerating system 14 is connected with centrifugal blower 13.
Pretreatment unit comprises ion-exchanger 19 and decarbonizing tower 20, produces water tank 8 and is connected with ion-exchanger 19 by pretreatment system intake pump 18, and decarbonizing tower 20 is connected with ion-exchanger 19, and decarbonizing tower is connected with gas blower 21.Ion-exchanger 19 adopts the macroporous type hydrogen ion exchange resin.
Nanofiltration system 27 is in parallel or be composed in series by nanofiltration membrane, and nanofiltration system 27 is connected with decarbonizing tower 20, is disposed with lift pump 22, accurate filter 23 and high-pressure pump 26 on decarbonizing tower 20 and the pipeline that nanofiltration system 27 is connected.Nanofiltration system is provided with flush/clear device 24, and flush/clear device 24 and scavenging pump 25 are connected on the pipeline between accurate filter 23 and the high-pressure pump 26.Nanofiltration system is connected with produces pond 28, produces the pond and is connected with ion-exchanger 19 by regenerative pump 29.
Principle of work of the present utility model and process are: combined film bioreactor is made up of oxygen-starved area 2,4 three parts of aerobic zone 3 and film district.Pending percolate enters oxygen-starved area 2 with the phegma in film district 4, under the stirring action of submersible agitator 15 with denitrification mud thorough mixing.The gravity flow of mixed solution in the oxygen-starved area 2 enters the aerobic zone 3 of having placed combined stuffing 16 then, and by highly active aerobic microbiological effect, with organic matter removal, ammonia nitrogen and organonitrogen are oxidized to nitrite and nitrate simultaneously.Under the effect of line pump 6, the water outlet of aerobic zone 3 enters film district 4.Percolate is through behind nitrated, the anti-nitration reaction, carry out filtration treatment by micro-filtration membrane module 17, carry out mud-water separation by microfiltration membrane, the water outlet of microfiltration membrane is pumped to product water tank 8 by the product water pump 7 of HMBR, waits to enter follow-up " pretreatment unit+nanofiltration system " and further deepens processing.The mud mixture in film district 4 is partly refluxed to oxygen-starved area 2 and aerobic zone 3, and excess sludge enters sludge thickener.Film district 4 has replaced the second pond in the routine biochemistry technology, and microorganism is trapped in the combined film bioreactor rapidly, fully, has kept the high biological concentration of reactor, controlled mud age effectively, avoid the loss of mud, guaranteed nitrification effect, improved effluent characteristics.The product water of combined film bioreactor promotes at pretreatment system intake pump 18 and enters ion-exchanger 19, by ion-exchange the calcium in the former water, magnesium ion are cemented out, thereby the hardness in the removal water, water outlet presents acidity, enter decarbonizing tower 20 then, utilize gas blower 21 under acidic conditions with the CO in the former water
2Carry out stripping, remove the basicity of former water; Decarbonizing tower 20 water outlets enter accurate filter 23 by lift pump 22, can will hold back greater than 5 microns particle, accurate filter 23 water outlets then are pumped into nanofiltration system 27 by high-pressure pump 26, nanofiltration system 27 is mainly in parallel or be composed in series by nanofiltration membrane, the dense water of nanofiltration system 27 recharges refuse landfill and handles, and produces water qualified discharge or reuse.As there being special pollutent in the former water, form little pollution on the film surface, can regularly wash nanofiltration system 27 by flush/clear device 24, flush/clear device 24 is under the effect of scavenging pump 25, nanofiltration system 27 is washed, to guarantee that water quality can not produce fouling and pollution before entering nanofiltration system 27.The product water of nanofiltration system 27 can be used for the regeneration of ion-exchanger 19, promotes under regenerative pump 29 effect, and ion-exchanger 19 is by adding industrial acids and alkali is regenerated.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205474800U CN201809262U (en) | 2010-09-28 | 2010-09-28 | Optimized integrated device for high effective biological and advanced treatment of garbage leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205474800U CN201809262U (en) | 2010-09-28 | 2010-09-28 | Optimized integrated device for high effective biological and advanced treatment of garbage leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201809262U true CN201809262U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205474800U Expired - Fee Related CN201809262U (en) | 2010-09-28 | 2010-09-28 | Optimized integrated device for high effective biological and advanced treatment of garbage leachate |
Country Status (1)
| Country | Link |
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| CN (1) | CN201809262U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
-
2010
- 2010-09-28 CN CN2010205474800U patent/CN201809262U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9333464B1 (en) | 2014-10-22 | 2016-05-10 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US9956530B2 (en) | 2014-10-22 | 2018-05-01 | Koch Membrane Systems, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| US10702831B2 (en) | 2014-10-22 | 2020-07-07 | Koch Separation Solutions, Inc. | Membrane module system with bundle enclosures and pulsed aeration and method of operation |
| USD779631S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Gasification device |
| USD779632S1 (en) | 2015-08-10 | 2017-02-21 | Koch Membrane Systems, Inc. | Bundle body |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20160928 |