CN202671533U - Comprehensive straw utilization and treatment unit - Google Patents
Comprehensive straw utilization and treatment unit Download PDFInfo
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- CN202671533U CN202671533U CN2012202702236U CN201220270223U CN202671533U CN 202671533 U CN202671533 U CN 202671533U CN 2012202702236 U CN2012202702236 U CN 2012202702236U CN 201220270223 U CN201220270223 U CN 201220270223U CN 202671533 U CN202671533 U CN 202671533U
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/36—Means for collection or storage of gas; Gas holders
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The utility model relates to a comprehensive straw utilization and treatment unit. A silage chamber is connected with a hydrolytic tank which is connected with a high-temperature hydrolytic tank through a chain conveyor. The high-temperature hydrolytic tank is sequentially connected with a solid-liquid separator, a sunshine shed and a straw pyrolysis digester. The hydrolytic tank and the solid-liquid separator are connected a stock tank through liquid pipelines respectively. The stock tank is connected with an anaerobic fermenter through a liquid stock pipeline. The anaerobic fermenter is sequentially connected with a gas storage, a biogas purification chamber and a booster fan through a biogas pipeline, wherein the booster fan is connected with a user-end pipeline. The user-end pipeline is connected with a spare storage tank for source gas. The spare storage tank for source gas is connected with a gas compressor. The anaerobic fermenter is sequentially connected with a biogas slurry tank and a modular sewage treatment device through a biogas slurry pipeline, and the modular sewage treatment device is connected with the hydrolytic tank through a sewage pipeline. The comprehensive straw utilization and treatment unit is simple in structure, convenient to operate and energy-saving, finished biogas, mixed ash fertilizer and biogas manure can be obtained by the use of the comprehensive straw utilization and treatment unit.
Description
Technical field
The utility model relates to the treatment facility that usefulness is processed in a kind of agricultural wastes comprehensive utilization, particularly a kind of stalk comprehensive utilization treatment facility.
Background technology
In the Rural areas, ubiquity straw refuse is huddled the phenomenon that leaves about, and What is more, and random crop straw burning in the fields especially arrives when harvesting season, always relevant for the straight news reporting of some accidents that cause because of crop straw burning.For this reason, China has also put into effect the irrational utilization that a series of relevant policies are controlled stalk.But, because stalk is seasonal agricultural wastes, how to fully utilize this agricultural wastes of stalk, be a major challenge really.In addition, the traditional idea in China rural area is deep-rooted, and people are conscious requires to go to utilize stalk according to relevant policies so be difficult to accomplish to allow.Stalk is very much cheap simultaneously, even does not satisfy the requirement of trucking costs, and this also gives gasifying stalk or produces straw coal etc. processing means and bring drawback.
Summary of the invention
The purpose of this utility model is to provide a kind of stalk comprehensive utilization treatment facility that makes stalk obtain comprehensive treating process for solving the technical problem that exists in the known technology, this treatment facility can make the heat that produces in the treating processes be fully used, save the energy, reached the purpose that finally obtains available biogas, mixes ash fertilizer and natural pond liquid fertilizer.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of stalk comprehensive utilization treatment facility includes silo granary, hydrolytic tank, pyrohydrolysis pond, solid-liquid separating machine, sunlight shed, stalk pyrolysis disposing device, feed reservoir, anaerobic fermentation tank, natural pond liquid pool and module type sewage treatment unit,
Described silo granary is connected with hydrolytic tank, and described hydrolytic tank is connected with the pyrohydrolysis pond by the chain conveyer, and described pyrohydrolysis pond is connected successively with solid-liquid separating machine, sunlight shed and stalk pyrolysis disposing device;
Described hydrolytic tank is connected by liquid line with solid-liquid separating machine and is connected with feed reservoir, described feed reservoir is connected with anaerobic fermentation tank by the liquid material pipeline, described anaerobic fermentation tank by between methane pipeline and gas storage holder, marsh gas purifying, the booster fan that is connected with the user side pipeline connects successively; Described anaerobic fermentation tank is connected with the module type sewage treatment unit with the natural pond liquid pool by the natural pond liquid pipeline and is connected, and described module type sewage treatment unit is connected with hydrolytic tank by plumbing drain.
Described pyrohydrolysis is provided with lift pump in the pond, and described lift pump is connected with plumbing drain, and plumbing drain is connected with solid-liquid separating machine.
Described user side pipeline also is connected with the bailout gas hold-up vessel, and described bailout gas hold-up vessel is connected with gas compressor.
Be provided with the air water separator, digester and the spark arrester that connect successively between described marsh gas purifying.
Described stalk pyrolysis disposing device is connected with the pyrohydrolysis pond with the hot-water heating coil pipe of anaerobically fermenting tank sidepiece by the heating pipe respectively and the hot-water heating coil pipe of inwall is connected, described pyrohydrolysis pond is connected with the hot-water heating coil pipe of hydrolytic tank bottom and inwall by the heating pipe, hot-water heating coil pipe in the described hydrolytic tank also is connected with stalk pyrolysis disposing device by return water pipe, and the hot-water heating coil pipe in the described anaerobic fermentation tank also is connected with stalk pyrolysis disposing device by return water pipe.
Described stalk pyrolysis disposing device also is connected with the ventilator trunk of anaerobic fermentation tank tank base by the flue gas air channel.
Be provided with zeolite granular in the described ventilator trunk.
Be provided with fresh feed pump in the described feed reservoir, described fresh feed pump is connected with the liquid material pipeline, and the liquid material pipeline is connected with anaerobic fermentation tank.
Advantage and the positively effect that the utlity model has are: the utility model is simple in structure, and is easy to operate, saves the energy, fertile by biogas, mixing ash fertilizer and natural pond that practical this equipment can be used at last.
Description of drawings
Fig. 1 is stalk comprehensive utilization treatment facility schematic diagram;
Fig. 2 is stalk comprehensive utilization treatment process process flow sheet.
Among Fig. 1 and Fig. 2,1. pulverizer, 2. silo granary, 3. hydrolytic tank, 4. chain conveyer, 5. pyrohydrolysis pond, 6. lift pump, 7. solid-liquid separating machine, 8. sunlight shed, 9. stalk pyrolysis disposing device, 10. feed reservoir, 11. fresh feed pumps, 12. anaerobic fermentation tank, 13. chain conveyers, 14. air water separators, 15. digesters, 16. spark arrester, 17. booster fans, 18. natural pond liquid pools, 19. natural pond liquid pool lift pumps, 20. the module type sewage treatment unit, 21. gas compressors, 22. source of the gas hold-up vessels.
Among Fig. 1 and Fig. 2 ,-JR-represents the heating pipe, and-HS-represents return water pipe, and-FD-represents the flue gas air channel, and-YL represents the liquid material pipeline, and-ZQ-represents methane pipeline, and-ZL-represents the natural pond liquid pipeline.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1, a kind of stalk comprehensive utilization treatment facility, this equipment includes silo granary 2, hydrolytic tank 3, pyrohydrolysis pond 5, solid-liquid separating machine 7, sunlight shed 8, stalk pyrolysis disposing device 9, feed reservoir 10, fresh feed pump 11, anaerobic fermentation tank 12, natural pond liquid pool 18 and module type sewage treatment unit 20.
Pulverizer 1 is connected with silo granary 2, silo granary 2 is connected with hydrolytic tank 3, hydrolytic tank 3 is connected with pyrohydrolysis pond 5 by chain conveyer 4, be provided with lift pump 6 in the pyrohydrolysis pond 5, lift pump 6 is connected with plumbing drain, plumbing drain is connected with solid-liquid separating machine 7, and solid-liquid separating machine 7, sunlight shed 8 and stalk pyrolysis disposing device 9 are connected successively; Stalk pyrolysis disposing device 9 is connected the hot-water heating coil pipe of bottom and inwall by heating pipe and the hot-water heating coil pipe of anaerobic fermentation tank 12 tank body sidepieces respectively and is connected with the pyrohydrolysis pond, pyrohydrolysis pond 5 is connected with the hot-water heating coil pipe of hydrolytic tank 3 bottoms and inwall by the heating pipe, hot-water heating coil pipe in the hydrolytic tank 3 also is connected with stalk pyrolysis disposing device 9 by return water pipe, and the hot-water heating coil pipe in the anaerobic fermentation tank 12 also is connected with stalk pyrolysis disposing device 9 by return water pipe.
Hydrolytic tank 3 is connected with solid-liquid separating machine and is connected with feed reservoir 10 by liquid line respectively, fresh feed pump 11 is installed in the feed reservoir 10, fresh feed pump 11 is connected with anaerobic fermentation tank 12 by the liquid material pipeline, anaerobic fermentation tank 12 is connected with marsh gas purifying by methane pipeline and gas storage holder 13 and is connected successively, be provided with the air water separator 14, digester 15 and the spark arrester 16 that connect successively between marsh gas purifying, biogas after the purification enters the user side pipeline, be connected with booster fan 17 on the user side pipeline, by booster fan 17 biogas after purifying sent into user side.Prepare bailout gas simultaneously in case biogas output passes into combustion gas for subsequent use when not enough the long-term stability that the user satisfies the user uses, the bailout gas combustion gas is stored in the bailout gas hold-up vessel 22 for subsequent use to do by gas compressor 21 compressions, bailout gas hold-up vessel 22 is connected with the user side pipeline.Anaerobic fermentation tank 12 is connected with the module type sewage treatment unit with natural pond liquid pool 18 by the natural pond liquid pipeline and is connected successively, the effect of natural pond liquid pool lift pump 19 is that module type sewage treatment unit 20 is connected with hydrolytic tank 3 by plumbing drain to module type sewage treatment unit 20 interior conveying natural pond liquid.
Anaerobic fermentation tank 12 tank base are provided with ventilator trunk, ventilator trunk is connected with the flue gas air channel that is connected to stalk pyrolysis disposing device 9, zeolite granular is housed in the ventilator trunk, the hot flue gas that stalk pyrolysis disposing device 9 produces can further reach decontamination effect improving through passing into behind the primary purification under the effect of ventilator trunk at zeolite granular, and hot gas can be used as the thermal source of anaerobic fermentation tank in ventilator trunk.
See also Fig. 2, utilize this equipment to come the method for Treating straw, stalk comprehensive utilization treatment process comprises the steps:
(1) just gathers in stalk interpolation ensiling reagent after pulverizer 1 is pulverized of returning and send into silo granary's 2 ensilings, crushed stalk can be chosen in on-the-spot pulverizing or transport back to pulverize, silo granary 2 need to keep anaerobic state, needs simultaneously to add organic acid to reach freshening effect to the stalk of ensiling.
(2) stalks in the silo granary 2 enter hydrolytic tank 3 and are hydrolyzed, extract the soluble saccharide material of stalk inside, after once being hydrolyzed, by chain conveyer 4 solid matters in the hydrolytic tank 3 to be delivered in the pyrohydrolysis pond 5, liquid portion then flows into feed reservoir 10.
(3) the 5 interior metal-salts that utilize carry out pre-treatment to remaining solid in the pyrohydrolysis pond, and the method is compared with dilute acid pretreatment has that follow-up fermenting process does not produce hydrogen sulfide and metal ion can promote the advantages such as anaerobic fermentation process;
At the bottom of hydrolytic tank 3 and pyrohydrolysis pond 5 inwalls and the pond hot-water heating coil pipe is housed all, enter hot-water heating coil pipe in the pyrohydrolysis pond 5 through the heating pipe first from the hot water of stalk pyrolysis disposing device 9, then pass into the hot-water heating coil pipe in the hydrolytic tank 3, thereby reach taking full advantage of of heat energy, hot-water heating coil pipe water out in hydrolytic tank 3 enters return water pipe, and water flow back in the stalk pyrolysis disposing device 9 by return water pipe.Utilize the electron temperature-control system to keep the temperature in high temperature pyrolysis pond 5 about 90 ℃.
(4) through after the pre-treatment, solution behind the high temperature pyrolysis is sent into solid-liquid separating machine 7 by lift pump 6, carries out solid-liquid separation by solid-liquid separating machine 7, and solid-liquid separating machine 7 isolated liquid flow into feed reservoir 10, isolated solid is sent into sunlight shed 8 natural air dryings, again by 9 pyrolysis of stalk pyrolysis disposing device.
(5) solid namely becomes combination ash fertilizer after the 9 interior pyrolysis of stalk pyrolysis disposing device.Stalk pyrolysis disposing device 9 is used for providing hydrolytic tank 3, pyrohydrolysis pond 5 and anaerobic fermentation tank 12 thermals source.
(6) feed liquid in the feed reservoir 10 is sent into anaerobic fermentation tank 12 by fresh feed pump 11, the tank body sidepiece of anaerobic fermentation tank 12 is provided with hot-water heating coil pipe and ventilator trunk, heats to fermentor tank by the hot-water heating coil pipe after the hot water that 9 pyrolysis of stalk pyrolysis disposing device produce enters the heating pipe who is connected with stalk pyrolysis disposing device 9.The flue gas that 9 pyrolysis of stalk pyrolysis disposing device produce enters the flue gas air channel that is connected with stalk pyrolysis disposing device 9 and is connected with ventilator trunk, zeolite granular is housed in the ventilator trunk, the hot flue gas that stalk pyrolysis disposing device produces can further reach decontamination effect improving through passing into behind the primary purification under the effect of ventilator trunk at zeolite granular, and hot gas can be used as the thermal source of anaerobic fermentation tank in ventilator trunk.Produce biogas at anaerobic fermentation tank 12 interior anaerobically fermentings, the biogas of generation enters gas storage holder 13, then enters between marsh gas purifying and sends into user's use on every side by booster fan 17 successively after air water separator 14, digester 15, spark arrester 16 are processed.Prepare bailout gas simultaneously in case biogas output passes into combustion gas for subsequent use when not enough the long-term stability that the user satisfies the user uses, the bailout gas combustion gas is stored in the bailout gas hold-up vessel 22 for subsequent use to do by gas compressor 21 compressions; The natural pond liquid that anaerobic fermentation tank 12 produces enters natural pond liquid pool 18, liquid pool 18 interior natural pond liquid in natural pond are partly made the natural pond liquid fertilizer and are used for farmland on every side, remainder enters module type sewage treatment unit 20, and the module type sewage treatment unit is the Patent equipment (number of patent application: 201120286007.6 of my company; 201110224612.5), the reusing sewage after the module type sewage treatment unit is processed is in hydrolytic tank 3.
(number of patent application: 201010281895.2), the stalk after the pulverizing carries out sealed storage to the patented product ultromotivity modular device that silo granary 2 has produced for my company in the ultromotivity modular device.
The utility model can be widely used in the processing and utilizing of straw from village in all parts of the country.
Above-described embodiment only is used for illustrating technological thought of the present utility model and characteristics, its purpose is to make those skilled in the art can understand content of the present utility model and implements according to this, can not only limit claim of the present utility model with the present embodiment, be equal variation or the modification that spirit that all the utility model disclose is done, still drop in the claim of the present utility model.The utility model is simple in structure, and installation, easy to adjust is being satisfied under the prerequisite of job requirement, has guaranteed to produce to carry out smoothly.
Claims (8)
1. a stalk fully utilizes treatment facility, it is characterized in that, include silo granary (2), hydrolytic tank (3), pyrohydrolysis pond (5), solid-liquid separating machine (7), sunlight shed (8), stalk pyrolysis disposing device (9), feed reservoir (10), anaerobic fermentation tank (12), natural pond liquid pool (18) and module type sewage treatment unit (20)
Described silo granary (2) is connected with hydrolytic tank (3), described hydrolytic tank (3) is connected with pyrohydrolysis pond (5) by chain conveyer (4), and described pyrohydrolysis pond (5) is connected successively with solid-liquid separating machine (7), sunlight shed (8) and stalk pyrolysis disposing device (9);
Described hydrolytic tank (3) is connected 7 with solid-liquid separating machine) be connected with feed reservoir (10) by liquid line respectively, described feed reservoir (10) is connected with anaerobic fermentation tank (12) by the liquid material pipeline, described anaerobic fermentation tank (12) by between methane pipeline and gas storage holder (13), marsh gas purifying, the booster fan (17) that is connected with the user side pipeline connects successively; Described anaerobic fermentation tank (12) is connected 20 with natural pond liquid pool (18) with the module type sewage treatment unit by the natural pond liquid pipeline) be connected successively, described module type sewage treatment unit (20) is connected with hydrolytic tank (3) by plumbing drain.
2. a kind of stalk comprehensive utilization treatment facility according to claim 1 is characterized in that, be provided with lift pump (6) in the described pyrohydrolysis pond (5), described lift pump (6) is connected with plumbing drain, and plumbing drain is connected with solid-liquid separating machine (7).
3. according to the described a kind of stalk comprehensive utilization treatment facility of claim, it is characterized in that, described user side pipeline also is connected with bailout gas hold-up vessel (22), and described bailout gas hold-up vessel (22) is connected with gas compressor (21).
4. a kind of stalk comprehensive utilization treatment facility according to claim 1 is characterized in that, is provided with air water separator (14), digester (15) and the spark arrester (16) that connects successively between described marsh gas purifying.
5. a kind of stalk according to claim 1 fully utilizes treatment facility, it is characterized in that, described stalk pyrolysis disposing device (9) is connected 5 with the hot-water heating coil pipe of anaerobic fermentation tank (12) tank body sidepiece with the pyrohydrolysis pond by the heating pipe respectively) bottom and the hot-water heating coil pipe of inwall be connected, described pyrohydrolysis pond (5) is connected with the hot-water heating coil pipe of hydrolytic tank (3) bottom and inwall by the heating pipe, hot-water heating coil pipe in the described hydrolytic tank (3) also is connected with stalk pyrolysis disposing device (9) by return water pipe, and the hot-water heating coil pipe in the described anaerobic fermentation tank (12) also is connected with stalk pyrolysis disposing device (9) by return water pipe.
6. a kind of stalk comprehensive utilization treatment facility according to claim 1 is characterized in that, described stalk pyrolysis disposing device (9) also is connected with the ventilator trunk of anaerobic fermentation tank (12) tank base by the flue gas air channel.
7. a kind of stalk comprehensive utilization treatment facility according to claim 6 is characterized in that, is provided with zeolite granular in the described ventilator trunk.
8. a kind of stalk comprehensive utilization treatment facility according to claim 1 is characterized in that, be provided with fresh feed pump (11) in the described feed reservoir (10), described fresh feed pump (11) is connected with the liquid material pipeline, and the liquid material pipeline is connected with anaerobic fermentation tank (12).
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| CN2012202702236U CN202671533U (en) | 2012-06-08 | 2012-06-08 | Comprehensive straw utilization and treatment unit |
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| CN2012202702236U CN202671533U (en) | 2012-06-08 | 2012-06-08 | Comprehensive straw utilization and treatment unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396940A (en) * | 2013-07-02 | 2013-11-20 | 濮阳市海滨防腐保温有限公司 | Novel ecological environmental protection device and application method |
| CN103706617A (en) * | 2013-12-18 | 2014-04-09 | 崔勇 | Organic waste hydrolysis reaction extraction device and organic waste hydrolysis reaction method |
| CN104958865A (en) * | 2015-06-29 | 2015-10-07 | 同济大学 | Biological chemistry-thermochemistry multi-point crosslinking biomass waste processing method and system |
| CN105174621A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method for treating wastewater by applying activated sludge |
| CN105174622A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method suitable for treating high concentration organic wastewater |
-
2012
- 2012-06-08 CN CN2012202702236U patent/CN202671533U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396940A (en) * | 2013-07-02 | 2013-11-20 | 濮阳市海滨防腐保温有限公司 | Novel ecological environmental protection device and application method |
| CN103706617A (en) * | 2013-12-18 | 2014-04-09 | 崔勇 | Organic waste hydrolysis reaction extraction device and organic waste hydrolysis reaction method |
| CN104958865A (en) * | 2015-06-29 | 2015-10-07 | 同济大学 | Biological chemistry-thermochemistry multi-point crosslinking biomass waste processing method and system |
| CN105174621A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method for treating wastewater by applying activated sludge |
| CN105174622A (en) * | 2015-09-16 | 2015-12-23 | 杭州鼎隆环保科技有限公司 | System and method suitable for treating high concentration organic wastewater |
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Granted publication date: 20130116 Termination date: 20150608 |
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