WO2005089906A1 - メタンガス濃縮装置 - Google Patents
メタンガス濃縮装置 Download PDFInfo
- Publication number
- WO2005089906A1 WO2005089906A1 PCT/JP2005/004835 JP2005004835W WO2005089906A1 WO 2005089906 A1 WO2005089906 A1 WO 2005089906A1 JP 2005004835 W JP2005004835 W JP 2005004835W WO 2005089906 A1 WO2005089906 A1 WO 2005089906A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hollow fiber
- gas
- section
- absorbing
- carbon dioxide
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the present invention provides, for example, the removal of dioxygenated carbon from digested gas containing methane gas and dioxygenated carbon, which is generated when biological treatment or the like of organic waste is performed. It relates to a methane gas concentrator for condensing methane gas.
- Means for removing carbon dioxide from digestion gas include, for example, a method of passing digestion gas through an adsorption tower filled with a carbon dioxide adsorbent such as activated carbon, zeolite, or metal oxide, or using a gas separation membrane. Examples include a method of degassing in a vacuum and a method of separation using a porous hollow fiber. Among them, a separation method using a porous hollow fiber has attracted attention, in particular, because it is capable of selectively removing carbon dioxide and is compact and economical.
- a carbon dioxide separation device using a hollow fiber has a hollow fiber that comes into contact with the absorbing solution, and supplies a digestion gas containing methane gas and carbon dioxide to the hollow fiber to pass through the hollow fiber.
- An absorption section for eluting dioxygenated carbon in the absorption liquid, and a degassing section having a hollow fiber in contact with the absorption liquid and collecting the dioxinated carbon in the absorption liquid through the hollow fiber, are connected in series or in parallel.
- the methane gas concentrator to distill the absorbed gas from the digested gas. It separated carbon (see, for example, Patent Document 1).
- a vacuum degassing unit and a stripping degassing unit are known as degassing units.
- the vacuum degassing unit has a hollow fiber in contact with the absorbing liquid, and the inside of the hollow fiber is depressurized by a vacuum pump or the like to separate carbon dioxide in the absorbing liquid.
- the stripping degassing section has a hollow fiber that comes into contact with the absorbing solution, and supplies a gas other than methane gas and carbon dioxide to the hollow fiber to convert the carbon dioxide in the absorbing solution into the hollow fiber. It is collected through
- Patent Document 1 JP-A-2002-363581
- the present invention solves the above-mentioned problems, and can sufficiently separate carbon dioxide in an absorbing solution and can prevent methane gas from inhibiting an increase in methane gas concentration in digestive gas. It is an object to provide a concentrating device.
- the present invention supplies a digestive gas containing methane gas and carbon dioxide into a porous hollow fiber to dissolve carbon dioxide in the absorbent from the hollow fiber.
- the absorbing part and the absorbing liquid flowing out of the absorbing part flow into the porous hollow fiber, and methane gas and A gas other than carbon dioxide is supplied, and a stripping degassing part for recovering the carbon dioxide dissolved in the absorbing solution in which the carbon dioxide is dissolved in the absorbing part through the hollow fiber, and flows out of the stripping degassing part.
- the absorbed liquid flows into the hollow hollow fiber, and the inside of the porous hollow fiber is depressurized, so that the gas dissolved in the absorbed liquid in the absorbing liquid and the stripping degassing section is recovered through the hollow fiber.
- a methane gas concentrator a methane gas concentrator.
- the carbon dioxide dissolved in the absorption liquid in the absorption section is generally recovered in the stripping degassing section. Further, the strong carbon dioxide not recovered in the stripping degassing section and the gas dissolved in the absorbing liquid in the stripping degassing section are collected in the vacuum degassing section.
- oxygen dioxide in the absorbing solution can be sufficiently separated, and when gas other than methane gas and carbon dioxide dissolves in the absorbing solution, the dissolved gas remains in the digestion gas side in the absorbing section. Can be prevented from flowing into the digestion gas, and the increase in the methane gas concentration of the digestion gas can be prevented.
- an absorbing solution replenishing device for replenishing the absorbing solution is provided between the stripping degassing unit and the vacuum degassing unit, and the absorbing solution replenishing device absorbs the water in the water receiving tank and the water receiving tank.
- a replenishing unit for replenishing the liquid is provided.
- the present invention it is possible to cope with the evaporation or reduction of the absorbing liquid by replenishing the absorbing liquid from the absorbing liquid replenishing device, and to stimulate the supply of the absorbing liquid from the replenishing unit to the water receiving tank (for example, The absorbing liquid is supplied while the replenishing section and the water receiving layer are separated from each other, and the absorbing liquid is repelled, so that the diacid in the absorbing liquid flowing from the stripping deaeration section to the absorbing liquid replenishing device is removed. Carbon can be released, and carbon dioxide in the absorbing solution can be separated.
- air is used as the gas supplied in the stripping degassing section
- water is used as the absorbing liquid
- a sterilizing section is provided for sterilizing the absorbing liquid with hypochlorite. Is also good.
- hypochlorite prevents the growth of microorganisms in the absorbing solution, and the microorganisms adhere to the absorbing section, the degassing section, etc., and inhibit methane gas concentration. Can be prevented.
- a hollow fiber module is used as a stripping deaerator, a vacuum deaerator, and an absorber, and the hollow fiber module is provided on one side of the hollow fiber module main body.
- a baffle plate that allows the outflowing absorbent to flow in a direction perpendicular to the longitudinal direction of the hollow fiber and contact the hollow fiber.
- the absorbing liquid flowing into the absorbing liquid flows in a direction orthogonal to the longitudinal direction of the hollow fiber and comes into contact with the hollow fiber.
- the efficiency of carbon separation can be improved, the number of hollow fiber modules in the absorption section or the deaeration section can be reduced, and the absorption section or the deaeration section can be reduced in size and simplified.
- the carbon dioxide dissolved in the absorbing liquid in the absorbing section is generally recovered in the stripping degassing section.
- the entrained carbon dioxide not recovered in the stripping degassing section and the gas mixed in the absorbing liquid in the stripping degassing section are collected in the vacuum degassing section. This makes it possible to sufficiently separate the oxygen in the absorbing solution, and when the gas other than methane gas and carbon is mixed into the absorbing solution, the mixed gas is digested in the absorbing section. It can be prevented from flowing to the gas side and being caught, and can prevent the methane gas concentration in the digested gas from increasing.
- FIG. 1 is a diagram showing a methane gas concentrating device according to an embodiment of the present invention.
- FIG. 2 is a view showing a hollow fiber module according to an embodiment of the present invention.
- FIG. 3 is a diagram showing flows of an absorbing liquid and a gas in a hollow fiber module according to an embodiment of the present invention.
- FIG. 1 shows a methane gas concentrator 1 according to an embodiment of the present invention.
- the methane gas concentrating apparatus 1 according to the embodiment of the present invention includes an absorption section 2, a stripping deaeration section 3, an absorption liquid replenishing apparatus 4, a vacuum deaeration section 5, and a circulation means 33.
- the absorption unit 2 is supplied with a digestive gas containing methane gas and carbon dioxide, preferentially dissolving carbon dioxide in the absorbing solution, and increasing the methane gas concentration in the digestive gas.
- the absorption section 2 includes an absorption module 29, which is the main body of the absorption section, a blower 6 that feeds the digestion gas as a raw material gas into the absorption module 29, a filter 17 that filters and removes foreign substances in the digestion gas, A digestive gas line 34 through which gas flows is provided.
- the absorption module 29 has hollow fibers that come into contact with the absorption liquid, and supplies a digestion gas containing methane gas and carbon dioxide to the hollow fibers to dissolve carbon dioxide into the absorption liquid from the hollow fibers. At the very least, methane gas is concentrated, refined and taken out.
- the stripping degassing section 3 is a section in which the absorbing liquid flowing out of the absorbing section 2 flows in, gas other than methane gas and carbon dioxide is supplied, and the carbon dioxide in the absorbing liquid is recovered.
- the stripping deaeration unit 3 includes a stripping module 30 as a stripping deaeration unit main body, a blower 8 that supplies a gas other than methane gas and carbon dioxide to the stripping module 30, and A filter 9 for filtering and removing foreign matter, and a gas line 35 through which gases other than methane gas and carbon dioxide flow are provided.
- the stripping module 30 has a hollow fiber that comes into contact with the absorbing liquid, and supplies a gas other than methane gas and carbon dioxide to the hollow fiber to convert the carbon dioxide in the absorbing liquid into the hollow fiber. It is collected through. The specific configuration of the stripping module 30 and the operation of the stripping module 30 will be described later.
- the absorbing liquid replenishing device 4 replenishes the absorbing liquid.
- the absorbing liquid replenishing device 4 includes a water receiving tank 10, a replenishing section 11 for replenishing the receiving liquid with the absorbing liquid, and a filter 12 for removing foreign substances from the replenishing absorbing liquid.
- the vacuum degassing unit 5 is configured such that the absorbing liquid flowing out of the stripping degassing unit 3 flows in through the replenishment of the absorbing solution by the absorbing solution replenishing device 4, and the carbon dioxide in the absorbing solution and the stripping are removed.
- the gas mixed in the absorbing liquid is recovered by decompression in the degassing section 3, and the gas is not blown into the hollow fiber.
- the vacuum deaeration unit 5 is a vacuum deaeration module 31, a vacuum pump 13 for reducing the pressure in the hollow fiber of the vacuum deaeration module 31, and a vacuum deaeration module 31.
- an exhaust pipe 36 is provided for exhausting (discharging the air or sending the gas to the processing equipment) these gases. Te ru.
- the circulation means 33 includes the pump 14 and the pipe 32.
- the pump 14 sends the absorbing solution supplied by the absorbing solution replenishing device 4 to the vacuum degassing unit 5 through the filter 15 .
- the pipe 32 supplies the absorbing solution sent from the pump 14 to the vacuum degassing unit 5.
- a sterilizing section (not shown) is provided in any of the absorbing solution circulating paths. ) Is provided.
- the sterilization by the sterilizing section is particularly effective when the absorbing liquid is water and the gas sent to the stripping deaerator 3 is air.
- sodium hypochlorite, calcium hypochlorite, and chlorinated isocyanuric acid can be used. Among them, it is desirable to use chlorinated isocyanuric acid.
- the residual chlorine concentration (concentration in the absorbing solution) is preferably 0.1 to 2. Oppm.
- the raw material gas used in the methane gas concentrating apparatus various gases including methane gas and carbon dioxide can be used, and are typically generated during biological treatment of organic waste. Digestion gas is used. This type of digestion gas contains gaseous components such as nitrogen and sulfide hydrogen in addition to methane gas and carbon dioxide. Of these, sulfide hydrogen is preliminarily obtained by a desulfurization tower (not shown). It is desirable to remove them. Means for removing hydrogen sulphide from digested gas include dry desulfurization and wet desulfurization.
- Mold desulfurizing agents are often used for dry desulfurization.
- the molded desulfurizing agent type is one in which a molded desulfurizing agent pelletized with iron powder, clay, etc. is filled in a desulfurization tower and brought into contact with digestive gas.
- Wet desulfurization methods include water washing, alkali washing and chemical regeneration. Of these, the water-washing method involves the countercurrent contact of sewage treatment water in the case of sewage treatment and well water, industrial water or tap water in other treatment plants with digestive gas.
- the temperature and pressure at the time of desulfurization may be as they are in the state of digestion gas generation, and are not particularly limited.
- the absorption liquid used in the methane gas concentrator 1 water such as industrial water, sewage treatment water, ion-exchanged water, an aqueous solution of an inorganic alkali such as NaOH or KOH, or an aqueous solution of an organic alkali is used.
- an aqueous solution of an inorganic alkali such as NaOH or KOH
- an aqueous solution of an organic alkali is used.
- the absorbent since the absorbent is circulated, the amount of the absorbent used can be reduced.
- the hollow fiber module 16 includes a hollow fiber module main body 17, an absorbent inlet (not shown) and an absorbent outlet (not shown), a gas inlet (not shown), and a gas outlet (not shown). (Not shown), a plurality of hollow fibers 24, a tube 25, and a baffle plate (a plate for preventing the absorbent from going straight) 28.
- the hollow fiber module main body 17 is preferably cylindrical.
- the absorbent inlet and the gas outlet are provided on one side of the hollow fiber module body 17.
- the absorbent outlet and the gas inlet are provided on the other side of the hollow fiber module body 17.
- the plurality of hollow fibers 24 are bundled in the hollow fiber module main body 17 in the longitudinal direction thereof in a bundled state. It is provided.
- the tube 25 is desirably located at the center of the hollow fiber module body 17.
- One end is an absorbing liquid inlet 19 and the other end is an absorbing liquid outlet 21.
- a plurality of holes are formed in the circumferential portion of the tube 25 to diffuse the absorbing liquid.
- the baffle plate 28 is provided at a central portion in the longitudinal direction inside the hollow fiber module main body 17 and is spaced from the inner peripheral surface of the hollow fiber module main body 17 to obstruct the flow of the absorbing liquid, and to remove the absorbing liquid from the hollow fiber. Contact at right angles.
- Gas Inflow Rocker The gas that has flowed in passes through the plurality of hollow fibers 24 in the hollow fiber module main body 17 and also flows out of the gas outflow rocker.
- the absorbent flows out of the tube 25 and enters the tube 25, it flows in a direction substantially perpendicular to the longitudinal direction of the hollow fiber 24 and contacts the hollow fiber 24.
- a porous hollow fiber made of a hydrophobic synthetic resin is used, and no absorbing liquid enters the hollow fiber 24.
- the absorbent flows in a direction orthogonal to the longitudinal direction of the hollow fiber 24 and comes into contact with the hollow fiber 24, the flow of the absorbent can be made uniform as compared with the case where the treatment is performed in the countercurrent direction. As a result, the carbon dioxide removal efficiency is improved, the number of hollow fiber modules 16 required for methane concentration of a certain amount of gas is reduced, and the methane concentration device can be simplified and downsized.
- the hollow fiber module 16 when used as the absorption module 29, when a digestive gas is flowed into the hollow fiber 24 in a state where the absorbing liquid is present in the hollow fiber module main body 17, carbon dioxide is Since the solubility in water is higher than that of the gas component, the carbon dioxide diffuses and dissolves in the absorption liquid through the micropores 27 of the hollow fiber 24 in a larger amount than the other gas components.
- the hollow fiber module 16 When the hollow fiber module 16 is used as the stripping module 30, methane gas and diacid carbon are contained in the hollow fiber 24 in a state where the absorbent is present in the hollow fiber module main body 17.
- a gas other than the above flows, due to a difference in partial pressure between the inside of the hollow fiber 24 and the outside of the hollow fiber 24, the carbon dioxide in the absorbing liquid enters the hollow fiber 24 through the fine holes 27 of the hollow fiber 24. No. Thereby, the carbon dioxide in the absorbing solution can be recovered through the hollow fiber 24.
- the pressure in the hollow fiber 24 is reduced while the absorbing liquid is present in the hollow fiber module main body 17. This Thereby, the carbon dioxide in the absorbing solution and the gas dissolved in the absorbing solution in the stripping deaeration section enter into the hollow fiber 24. As a result, the carbon dioxide in the absorbing solution that has not been recovered in the stripping deaerator and the gas dissolved in the absorbing solution in the stripping deaerator can be recovered through the hollow fiber 24.
- the carbon dioxide in the digestion gas is diffused and dissolved in the absorption liquid through the micropores 27 of the hollow fiber 24, and the methane gas in the digestion gas is concentrated and taken out as a purified gas.
- the absorption liquid in which the carbon dioxide is dissolved is sent to the stripping deaeration unit 3 through the pipe 32. Gases other than methane gas and carbon dioxide are sent into the stripping deaerator 3 by a blower 8 through a filter 9.
- carbon dioxide in the absorbing solution passes through the fine holes 27 of the hollow fiber 24, is taken into the hollow fiber 24, and then exhausted.
- the absorbent flowing out of the stripping deaeration section 3 passes through the pipe 32 in a state containing the strong dioxin carbon not taken in by the stripping deaeration section 3 and the gas dissolved in the stripping deaeration section. And flows into the water receiving tank 10 of the absorbing liquid replenishing device 4.
- the absorbing liquid is supplied from the absorbing liquid supply device 4.
- the replenishing unit 11 also stimulates when replenishing the absorbent tank 10 with the absorbing liquid (for example, replenishes the absorbing liquid with the replenishing unit 11 and the receiving layer 10 separated from each other and splashes the absorbing liquid). By doing so, it is possible to release a part of the gas dissolved in the absorption liquid and the gas dissolved in the stripping deaeration unit 3.
- the absorbent discharged from the absorbent replenishing device 4 passes through the pipe 32, is pushed out by the pump 14, and flows into the vacuum deaerator 5 through the filter 15.
- the vacuum degassing unit 5 reduces the pressure in the hollow fiber 24 with the vacuum pump 13, thereby reducing the carbon dioxide in the absorbing solution and the gas force dissolved in the absorbing solution in the stripping degassing unit 3. After passing through the hollow fiber 24, it is exhausted.
- the absorbing liquid flowing out of the vacuum degassing section 5 flows into the absorbing section 2 again.
- the absorbent circulates in the methane gas concentrator 1.
- the present invention is used for effectively utilizing digestive gas generated when biologically treating organic wastes and the like as a source of energy, and for producing hydrogen, high-performance carbon materials, and the like. It can be suitably used for effective use as a raw material for chemical industry.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
- Gas Separation By Absorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treatment Of Sludge (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05721022A EP1733781A4 (en) | 2004-03-19 | 2005-03-17 | APPARATUS FOR CONCENTRATING METHANE GAS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004080944A JP2005262146A (ja) | 2004-03-19 | 2004-03-19 | メタンガス濃縮装置 |
JP2004-080944 | 2004-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005089906A1 true WO2005089906A1 (ja) | 2005-09-29 |
Family
ID=34993483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004835 WO2005089906A1 (ja) | 2004-03-19 | 2005-03-17 | メタンガス濃縮装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1733781A4 (ja) |
JP (1) | JP2005262146A (ja) |
CN (1) | CN1938074A (ja) |
WO (1) | WO2005089906A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007116908A1 (ja) * | 2006-04-04 | 2007-10-18 | Taiyo Nippon Sanso Corporation | メタン分離方法、メタン分離装置及びメタン利用システム |
JP2007297605A (ja) * | 2006-04-04 | 2007-11-15 | Taiyo Nippon Sanso Corp | メタン分離方法、メタン分離装置及びメタン利用システム |
EP1880754A1 (en) * | 2006-07-17 | 2008-01-23 | General Electric Company | Carbon dioxide capture system |
JP2015051424A (ja) * | 2013-08-05 | 2015-03-19 | 三菱レイヨン株式会社 | メタンガスの濃縮方法および濃縮装置 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8007567B2 (en) * | 2008-08-13 | 2011-08-30 | A & B Process Systems Corporation | Apparatus and method for biogas purification |
DE102008060310B4 (de) * | 2008-12-03 | 2013-01-31 | Dge Dr.-Ing. Günther Engineering Gmbh | Verfahren und Anlage zur Reinigung von Roh- oder Biogas zur Gewinnung von Methan |
JP5693368B2 (ja) * | 2011-05-13 | 2015-04-01 | 日立造船株式会社 | 二酸化炭素回収方法における二酸化炭素吸収液の再生方法 |
CN103897760B (zh) * | 2014-04-10 | 2016-01-20 | 开封黄河空分集团有限公司 | 沼气提纯系统 |
AU2018322435B2 (en) * | 2017-08-21 | 2021-09-09 | Exxonmobil Upstream Research Company | Integration of cold solvent and acid gas removal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0228722U (ja) * | 1988-08-10 | 1990-02-23 | ||
JPH04118004A (ja) * | 1990-09-07 | 1992-04-20 | Japan Organo Co Ltd | 液体中の溶存ガス除去方法 |
JPH07185209A (ja) * | 1993-12-24 | 1995-07-25 | Miura Co Ltd | 脱ガス装置 |
JP2002363581A (ja) * | 2001-06-06 | 2002-12-18 | Tsukishima Kikai Co Ltd | メタン濃縮装置 |
-
2004
- 2004-03-19 JP JP2004080944A patent/JP2005262146A/ja active Pending
-
2005
- 2005-03-17 EP EP05721022A patent/EP1733781A4/en not_active Withdrawn
- 2005-03-17 WO PCT/JP2005/004835 patent/WO2005089906A1/ja active Application Filing
- 2005-03-17 CN CNA2005800072634A patent/CN1938074A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0228722U (ja) * | 1988-08-10 | 1990-02-23 | ||
JPH04118004A (ja) * | 1990-09-07 | 1992-04-20 | Japan Organo Co Ltd | 液体中の溶存ガス除去方法 |
JPH07185209A (ja) * | 1993-12-24 | 1995-07-25 | Miura Co Ltd | 脱ガス装置 |
JP2002363581A (ja) * | 2001-06-06 | 2002-12-18 | Tsukishima Kikai Co Ltd | メタン濃縮装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1733781A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007116908A1 (ja) * | 2006-04-04 | 2007-10-18 | Taiyo Nippon Sanso Corporation | メタン分離方法、メタン分離装置及びメタン利用システム |
JP2007297605A (ja) * | 2006-04-04 | 2007-11-15 | Taiyo Nippon Sanso Corp | メタン分離方法、メタン分離装置及びメタン利用システム |
CN101415803A (zh) * | 2006-04-04 | 2009-04-22 | 大阳日酸株式会社 | 甲烷分离方法、甲烷分离装置以及甲烷利用系统 |
CN101415803B (zh) * | 2006-04-04 | 2012-10-24 | 大阳日酸株式会社 | 甲烷分离方法、甲烷分离装置以及甲烷利用系统 |
EP1880754A1 (en) * | 2006-07-17 | 2008-01-23 | General Electric Company | Carbon dioxide capture system |
JP2015051424A (ja) * | 2013-08-05 | 2015-03-19 | 三菱レイヨン株式会社 | メタンガスの濃縮方法および濃縮装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1733781A4 (en) | 2007-06-20 |
EP1733781A1 (en) | 2006-12-20 |
JP2005262146A (ja) | 2005-09-29 |
CN1938074A (zh) | 2007-03-28 |
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