EP2148913A2 - Verfahren und vorrichtung zum behandeln von durch druckvergasen fester brennstoffe erzeugtem produktgas - Google Patents
Verfahren und vorrichtung zum behandeln von durch druckvergasen fester brennstoffe erzeugtem produktgasInfo
- Publication number
- EP2148913A2 EP2148913A2 EP08758739A EP08758739A EP2148913A2 EP 2148913 A2 EP2148913 A2 EP 2148913A2 EP 08758739 A EP08758739 A EP 08758739A EP 08758739 A EP08758739 A EP 08758739A EP 2148913 A2 EP2148913 A2 EP 2148913A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- temperatures
- bar
- product gas
- return
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/26—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C3/28—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension using a separate gas producer for gasifying the fuel before combustion
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
- C10K1/165—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids at temperatures below zero degrees Celsius
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
- C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
- C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
- C21B2100/42—Sulphur removal
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/62—Energy conversion other than by heat exchange, e.g. by use of exhaust gas in energy production
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
- C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
- C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2100/00—Exhaust gas
- C21C2100/06—Energy from waste gas used in other processes
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Definitions
- pressurized gases can be solid fuels, such as peat, lignite, coke, hard coal, biomass or the like.
- solid fuels such as peat, lignite, coke, hard coal, biomass or the like.
- ash content up to 50 wt.%
- water content up to 50 wt.%
- a run in countercurrent mixture of water vapor and oxygen or air under pressures of 1 to 100 bar [a] gasified at temperatures below the melting point of the ashes contained in the respective fuel to crude product gas Ullmann 's Encyclopedia of Industrial Chemistry, Vol. A 12, VCH Verlagsgesellschaft mbH, Weinheim 1989, p 218 to 226, Lurgi Handbook, Lurgi Societies, Frankfurt am Main 1970, 2nd Chapter 2.1).
- the initially described process for purifying raw product gas produced by pressurized solid fuel gasses based on the ability of cold oxygenate, especially CH 3 OH, to remove all gas contaminants from the crude product gas in a single operation, also for removal of CO 2 can be used from the formed in the direct reduction of iron ore recycled in the circulation with CO 2 and water vapor laden return gas.
- the recycle gas has temperatures in the range of 50 to 250 ° C at pressures in the range of 2 to 8 bar [a].
- iron ore In direct reduction, iron ore is heated in the form of pellets with a grain size of 3 to 15 mm or as lump with a grain size of 3 to 20 mm with reducing gas serving as product gas in a rotary kiln to reduction temperature and reduced directly to sponge-like metallic iron.
- the reaction of the product gas with the iron ore produces CO 2 and water vapor which must be continuously removed from the recycled recycle gas by eliminating CO 2 , optionally together with sulfur compounds contained in the recycle gas, by chemisorptive gas scrubbing and steam condensation.
- the water vapor contained in the branched recycle gas is removed by condensation.
- the water vapor contained therein is removed physisorptive from the cooled to temperatures of 15 to 45 ° C and compressed to pressures of 25 to 75 bar [a] branched return gas with oxygenate.
- a further development of the method according to the invention consists in that the gas mixture obtained after the physisorptive removal of CO 2 from 0 to 30 ° C. at pressures of 25 to 75 bar [a] possesses the gas mixture in the circulation
- the heating of the relaxed temperatures from 0 to 30 ° C having gas mixture in that thermal energy is transferred from the branched return gas to the gas mixture.
- a particular embodiment of the invention is that the desorbed by relaxing the laden oxygenate to near atmospheric pressure CO 2 transferred to the supercritical state and for solvent flooding partially de-oiled oil deposits or for storage in pore reservoirs, cavern storage, discharged natural gas deposits or saline aquifers.
- the desorbed CO 2 is compressed to a pressure of 10 to 30 bar [a] and cooled to temperatures of -5 to -40 ° C.
- a compression of the desorbed CO 2 to pressures of up to 40 bar [a] is sufficient.
- the device for carrying out the method consists in the arrangement of a shaft turbine with a compressor part in which most of the water vapor freed, CO 2 -containing return gas is compressed to the pressures of the pure product gas, and with a relaxation part, in which the gas mixture is expanded , and with a generator connected to the shaft turbine.
- the generator can also be switched as an electric motor to compensate.
- the second stage (5) of the gas scrubbing leaving a temperature in the range of 0 to 30 ° C, preferably of 23 ° C, at a pressure in the range of 25 to 75 bar [a], preferably from 32 bar [a] exhibiting pure gas and CO 2 - and vapor-free return gas gas mixture formed is fed via line (7) in the expansion stage (8) of a shaft turbine (9), in which the gas mixture to a pressure in the range of 2 to 8 bar [a], preferably from 4 bar [a] at a temperature - depending on the composition of the gas mixture - in the range of 0 to 30 ° C is relaxed.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Industrial Gases (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710024312 DE102007024312B4 (de) | 2007-05-24 | 2007-05-24 | Verfahren und Vorrichtung zum Herstellen von Reduktionsgas und/oder Brenngas für die Direktreduktion von Eisenerz |
PCT/EP2008/004147 WO2008141839A2 (de) | 2007-05-24 | 2008-05-23 | Verfahren und vorrichtung zum behandeln von durch druckvergasen fester brennstoffe erzeugtem produktgas |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2148913A2 true EP2148913A2 (de) | 2010-02-03 |
Family
ID=39874010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08758739A Withdrawn EP2148913A2 (de) | 2007-05-24 | 2008-05-23 | Verfahren und vorrichtung zum behandeln von durch druckvergasen fester brennstoffe erzeugtem produktgas |
Country Status (12)
Country | Link |
---|---|
US (1) | US8500866B2 (de) |
EP (1) | EP2148913A2 (de) |
KR (1) | KR101458244B1 (de) |
CN (1) | CN101679888A (de) |
AU (1) | AU2008253245B2 (de) |
CA (1) | CA2687996A1 (de) |
DE (1) | DE102007024312B4 (de) |
MX (1) | MX2009012514A (de) |
RU (1) | RU2475515C2 (de) |
UA (1) | UA100856C2 (de) |
WO (1) | WO2008141839A2 (de) |
ZA (1) | ZA200907997B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009038323A1 (de) * | 2009-08-21 | 2011-02-24 | Krones Ag | Verfahren und Vorrichtung zur Verwertung von Biomasse |
US8535418B2 (en) * | 2010-11-22 | 2013-09-17 | General Electric Company | Gaseous byproduct removal from synthesis gas |
DE102011100202A1 (de) * | 2011-05-02 | 2012-11-08 | Lurgi Gmbh | Verfahren zur Vergasung von festem, kohlenstoffhaltigem Einsatzstoff |
US9869167B2 (en) * | 2012-11-12 | 2018-01-16 | Terracoh Inc. | Carbon dioxide-based geothermal energy generation systems and methods related thereto |
US11685673B2 (en) | 2021-06-06 | 2023-06-27 | Christopher R. Moylan | Systems and methods for removal of carbon dioxide from seawater |
US11407667B1 (en) | 2021-06-06 | 2022-08-09 | Christopher R. Moylan | Systems and methods for removal of carbon dioxide from seawater |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4861369A (en) * | 1986-11-25 | 1989-08-29 | Korf Engineering Gmbh | Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3853538A (en) * | 1973-07-20 | 1974-12-10 | Steel Corp | Use of reducing gas by coal gasification for direct iron ore reduction |
DE2733785A1 (de) * | 1977-07-27 | 1979-02-08 | Didier Eng | Verfahren zur weiterverarbeitung von koksofengas |
AU543499B2 (en) * | 1979-04-24 | 1985-04-26 | Foster Wheeler Ltd. | Producing hydrogen and injecting into direct reduction furnaces or blast furnaces |
SU1145934A3 (ru) * | 1981-02-04 | 1985-03-15 | Мидрекс Корпорейшн (Фирма) | Способ получени восстановительного газа дл восстановлени окислов железа в шахтной печи |
DE3342600A1 (de) * | 1983-11-25 | 1985-06-05 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zum entschwefeln von reduktionsgas |
US4756750A (en) * | 1987-04-27 | 1988-07-12 | Air Products And Chemicals, Inc. | Process for the direct reduction of iron ore |
DE4026732A1 (de) * | 1990-08-24 | 1992-02-27 | Huels Chemische Werke Ag | Verfahren zur reinigung eines oxidationsabgases mit energierueckgewinnung |
TW303389B (de) * | 1994-10-17 | 1997-04-21 | V0Est Alpine Industrieanlagenbau Gmbh | |
AT403929B (de) * | 1996-07-10 | 1998-06-25 | Voest Alpine Ind Anlagen | Verfahren zum erzeugen eines für eine reduktion von metallerz dienenden reduktionsgases und anlage zur durchführung des verfahrens |
US6214084B1 (en) * | 1997-09-03 | 2001-04-10 | The Boc Group, Inc. | Iron manufacturing process |
US6027545A (en) * | 1998-02-20 | 2000-02-22 | Hylsa, S.A. De C.V. | Method and apparatus for producing direct reduced iron with improved reducing gas utilization |
KR20020051014A (ko) * | 2000-12-22 | 2002-06-28 | 신현준 | 이산화탄소의 분리처리에 의한 코크스가스 정제 장치 및방법 |
MXPA05012242A (es) * | 2003-05-15 | 2006-02-08 | Hylsa Sa | Metodo y aparato para el uso mejorado de fuentes primarias de energia en plantas integrales de acero. |
KR20050029924A (ko) * | 2003-09-24 | 2005-03-29 | 주식회사 포스코 | 이산화탄소 포집장치를 구비한 코크스오븐가스 정제장치 |
CN101023023B (zh) * | 2004-08-03 | 2012-12-26 | 海尔萨可变资产股份有限公司 | 由焦炉气制备清洁的还原性气体的方法和设备 |
RU2277127C1 (ru) * | 2005-01-17 | 2006-05-27 | Государственное образовательное учреждение высшего профессионального образования "Уральский государственный технический университет - УПИ" | Способ вдувания горячих восстановительных газов в доменную печь |
-
2007
- 2007-05-24 DE DE200710024312 patent/DE102007024312B4/de active Active
-
2008
- 2008-05-23 WO PCT/EP2008/004147 patent/WO2008141839A2/de active Application Filing
- 2008-05-23 AU AU2008253245A patent/AU2008253245B2/en not_active Ceased
- 2008-05-23 UA UAA200913402A patent/UA100856C2/uk unknown
- 2008-05-23 EP EP08758739A patent/EP2148913A2/de not_active Withdrawn
- 2008-05-23 RU RU2009148023/05A patent/RU2475515C2/ru not_active IP Right Cessation
- 2008-05-23 CN CN200880017231A patent/CN101679888A/zh active Pending
- 2008-05-23 CA CA 2687996 patent/CA2687996A1/en not_active Abandoned
- 2008-05-23 US US12/601,460 patent/US8500866B2/en not_active Expired - Fee Related
- 2008-05-23 MX MX2009012514A patent/MX2009012514A/es active IP Right Grant
- 2008-05-23 KR KR1020097026924A patent/KR101458244B1/ko not_active IP Right Cessation
-
2009
- 2009-11-13 ZA ZA2009/07997A patent/ZA200907997B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4861369A (en) * | 1986-11-25 | 1989-08-29 | Korf Engineering Gmbh | Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process |
Also Published As
Publication number | Publication date |
---|---|
RU2475515C2 (ru) | 2013-02-20 |
ZA200907997B (en) | 2011-03-30 |
AU2008253245A1 (en) | 2008-11-27 |
RU2009148023A (ru) | 2011-06-27 |
AU2008253245B2 (en) | 2012-08-30 |
CA2687996A1 (en) | 2008-11-27 |
CN101679888A (zh) | 2010-03-24 |
US20110126542A1 (en) | 2011-06-02 |
UA100856C2 (uk) | 2013-02-11 |
WO2008141839A3 (de) | 2009-01-15 |
DE102007024312B4 (de) | 2009-04-30 |
KR101458244B1 (ko) | 2014-11-04 |
US8500866B2 (en) | 2013-08-06 |
KR20100027154A (ko) | 2010-03-10 |
DE102007024312A1 (de) | 2008-11-27 |
WO2008141839A2 (de) | 2008-11-27 |
MX2009012514A (es) | 2010-04-21 |
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