WO2009093803A1 - Appareil pour le traitement des gaz à effet de serre - Google Patents

Appareil pour le traitement des gaz à effet de serre Download PDF

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Publication number
WO2009093803A1
WO2009093803A1 PCT/KR2008/006903 KR2008006903W WO2009093803A1 WO 2009093803 A1 WO2009093803 A1 WO 2009093803A1 KR 2008006903 W KR2008006903 W KR 2008006903W WO 2009093803 A1 WO2009093803 A1 WO 2009093803A1
Authority
WO
WIPO (PCT)
Prior art keywords
greenhouse gases
microwave energy
decomposition chamber
gas
supply unit
Prior art date
Application number
PCT/KR2008/006903
Other languages
English (en)
Inventor
Yeong-Seob Kueon
Original Assignee
Posco
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Posco filed Critical Posco
Priority to JP2010540557A priority Critical patent/JP2011509390A/ja
Priority to CN2008801227960A priority patent/CN101909724A/zh
Publication of WO2009093803A1 publication Critical patent/WO2009093803A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/32Separation 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 electrical effects other than those provided for in group B01D61/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/62Carbon oxides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • C01B3/24Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/80Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/806Microwaves
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0266Processes for making hydrogen or synthesis gas containing a decomposition step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08Methods of heating or cooling
    • C01B2203/0805Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0855Methods of heating the process for making hydrogen or synthesis gas by electromagnetic heating
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/20Capture or disposal of greenhouse gases of methane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/30Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Definitions

  • the present invention relates to an apparatus for treating greenhouse gases, and more particularly, to an apparatus for treating greenhouse gases, which is able to decompose and recycle greenhouse gases such as carbon dioxide and methane without discharging the greenhouse gases into the atmosphere, wherein the greenhouse gases are emitted from a melting furnace/blast furnace in a process of making molten iron.
  • greenhouse gases include carbon dioxide (CO ), methane (CH ), nitrogen dioxide (N 0), hydro fluoro
  • HFC hydrogen
  • PFC perfluorocarbon
  • SF 6 sulfur hexafluoride
  • CO carbon dioxide
  • greenhouse gases which are generated when molten iron is made in a conventional melting furnace, are discharged via a flue duct into the atmosphere after removing particles from the greenhouse gases, or decomposed and recycled in the form of hydrogen. Also, approximately 10 % of the greenhouse gases emitted all over the world are known to have been generated in the molten iron-making process, and to be mainly composed of gases such as carbon dioxide (CO ) and methane (CH ).
  • FIG. 1 is a schematic view illustrating a conventional molten iron-making device.
  • toxic gases which include particles and greenhouse gases generated in a melting furnace/blast furnace 1 in a molten iron-making process, are passed through a dust collector 3 and a fine particle separator 4 to remove particles, and the particle-free gas is discharged via a flue duct 5 into the atmosphere.
  • the present invention is designed to address the problems of the prior art, and therefore it is an object of the present invention to provide an apparatus for treating greenhouse gases, which is able to decompose greenhouse gases generated in a molten iron-making process.
  • an apparatus for treating greenhouse gases which decomposes greenhouse gases generated in a molten iron-making process.
  • the apparatus includes a flow control valve adjusting an influx of the greenhouse gases; a gas decomposition chamber storing the greenhouse gases flowing in through the flow control valve, and decomposing the greenhouse gases; a microwave energy supply unit supplying microwave energy to the greenhouse gases in order to decompose the greenhouse gases stored in the gas decomposition chamber; and a decomposed gas exhaust pipe discharging the decomposed gas.
  • the greenhouse gases may be decomposed into carbon monoxide, oxygen and hydrogen by the microwave energy supply unit.
  • the apparatus for treating greenhouse gases may further include a particle removal means for removing particles from the greenhouse gases flowing in through the flow control valve.
  • the gas decomposition chamber may be provided with a high- temperature, high-pressure gas barrier installed in the region to which the microwave energy is supplied.
  • the high-temperature, high-pressure gas barrier may be made of ceramics or porcelain.
  • the apparatus for treating greenhouse gases may further include a microwave energy guide coupling the high-temperature, high-pressure gas barrier to the microwave energy supply unit and guiding the microwave energy generated in the microwave energy supply unit to the high-pressure gas barrier.
  • the apparatus for treating greenhouse gases may further include at least one gas decomposition chamber coupled in series to the gas decomposition chamber to receive microwave energy from the microwave energy supply unit.
  • the greenhouse gases discharged from the decomposed gas exhaust pipe may be recycled in the molten iron-making process.
  • the apparatus for treating greenhouse gases may further include a plurality of microwave energy guides coupling the one or more microwave energy supply units to their corresponding high-temperature, high-pressure gas barriers and guiding microwave energy generated in the one or more microwave energy supply units to their corresponding high-pressure gas barriers.
  • the apparatus for treating greenhouse gases may be useful to reduce the global warming phenomenon since the apparatus may decompose the toxic greenhouse gases generated in a molten iron-making process into nontoxic gases.
  • FIG. 1 is a schematic view illustrating a conventional molten iron-making device.
  • FIG. 2 is a block diagram illustrating an apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a combination of a molten iron-making device and the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating an apparatus for treating greenhouse gases according to another exemplary embodiment of the present invention.
  • FIG. 5 is a graph illustrating the decomposition rate of carbon dioxide that is decomposed in the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • FIG. 6 is a cross-sectional view illustrating the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention. [28]
  • FIG. 2 is a block diagram illustrating an apparatus 100 for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • the apparatus 100 for treating greenhouse gases includes a flow control valve 110, a gas decomposition chamber 120, a microwave energy supply unit 130, and a decomposed gas exhaust pipe 140.
  • the apparatus 100 for treating greenhouse gases is used to discompose greenhouse gases generated in a molten iron-making process.
  • the flow control valve 110 adjusts an influx of the greenhouse gases flowing into the gas decomposition chamber 120, and the gas decomposition chamber 120 stores the greenhouse gases flowing in through the flow control valve 110.
  • the greenhouse gases are decomposed in the gas decomposition chamber 120.
  • the microwave energy supply unit 130 supplies microwave energy to the greenhouse gases stored in the gas decomposition chamber 120.
  • the decomposed gas exhaust pipe 140 discharges gases that are decomposed by the microwave energy supply unit 130.
  • the gas decomposition chamber 120 may further include a high-temperature, high- pressure gas barrier 150, as shown in FIG. 2.
  • the high-temperature, high-pressure gas barrier 150 is installed in the region to which microwave energy is supplied, so that it can protect the microwave energy supply unit 130 or a microwave energy guide 160, as described later, from high-temperature, high-pressure gases (i.e. greenhouse gases or gases decomposed from the greenhouse gases) in the gas decomposition chamber 120.
  • the apparatus for treating greenhouse gases 100 may further include a microwave energy guide 160, as shown in FIG. 2.
  • the microwave energy guide 160 functions to couple the microwave energy supply unit 130 to the high-temperature, high-pressure gas barrier 150 and guide microwave energy generated in the microwave energy supply unit 130 towards the high-pressure gas barrier 150.
  • FIG. 3 is a diagram illustrating a combination of a molten iron-making device and the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • the apparatus 100 for treating greenhouse gases is coupled to parts 1 to 4 and 6, 8 of the molten iron-making device.
  • particles are removed from greenhouse gases while the greenhouse gases are being passed through a dust collector 3 and a fine particle separator 4, and the particle-free greenhouse gases flow into the apparatus 100 for treating greenhouse gases via the flow control valve 110.
  • decomposed gases emitted through the decomposed gas exhaust pipe 140 re-flow into the melting furnace/blast furnace 1 via a hot blast pipe 6 coupled to a hot blast stove 2. Then, the decomposed gases may be recycled in the melting furnace/blast furnace 1, as shown in FIG. 3.
  • FIG. 4 is a block diagram illustrating an apparatus 200 for treating greenhouse gases according to another exemplary embodiment of the present invention.
  • the apparatus 200 for treating greenhouse gases as shown in FIG. 4 is similar to the apparatus 100 for treating greenhouse gases as shown in FIG. 2 in terms of the configuration, but they are different from each other in that the apparatus 200 for treating greenhouse gases includes two gas decomposition chambers 220 that are coupled in series to each other.
  • the two gas decomposition chambers 220 are provided with high- temperature, high-pressure gas barriers 150, respectively.
  • Each of the high-pressure gas barriers 150 is coupled to the microwave energy supply unit 130 via the microwave energy guide 160.
  • FIG. 4 shows the apparatus 200 for treating greenhouse gases including two gas decomposition chambers 220, but this exemplary embodiment is given by way of illustration only. Accordingly, the apparatus 200 for treating greenhouse gases may include more than two gas decomposition chambers 220.
  • FIG. 4 shows one microwave energy supply unit 130, but this exemplary embodiment is given by way of illustration only. Accordingly, a plurality of microwave energy supply units 130 may supply microwave energy to gas decomposition chambers 220, respectively.
  • FIG. 5 is a graph illustrating the decomposition rate of carbon dioxide that is decomposed in the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention. As shown in FIG. 5, it is revealed that approximately 50% of carbon dioxide may be decomposed in the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • FIG. 6 is a cross-sectional view illustrating the apparatus for treating greenhouse gases according to one exemplary embodiment of the present invention.
  • greenhouse gases generated in the molten iron-making device are preferably passed through the dust collector 3 and the fine particle separator 4 to remove particles and fine particles.
  • the fine particle-free greenhouse gases contain a large amount of carbon dioxide gas and methane gas.
  • These greenhouse gases flow into the gas decomposition chamber 120 via the flow control valve 110.
  • the flow control valve 110 is controlled to allow a predetermined amount of greenhouse gases to flow into the gas decomposition chamber 120, particularly controlled to adjust the amount of greenhouse gases, which flow into the gas decomposition chamber 120 according to the temperature and pressure of the gas decomposition chamber 120, in consideration of the capacity of the gas decomposition chamber 120.
  • the flow control valve 110 is closed when the predetermined amount of greenhouse gases flow into the gas decomposition chamber 120. Then, the microwave energy supply unit 130 generates microwave energy, and supplies the generated microwave energy to the gas decomposition chamber 120 via the microwave energy guide 160.
  • the gas decomposition chamber 120 since the greenhouse gases in the gas decomposition chamber 120 are in a high-temperature, high-pressure state, the gas decomposition chamber 120 may be further provided with a high-temperature, high-pressure gas barrier 150 installed in the region to which microwave energy is supplied, thereby protecting the microwave energy guide 160 and the microwave energy supply unit 130 from greenhouse gases.
  • the high-temperature, high-pressure barrier 150 may be made from ceramics or porcelain which have favorable properties such as heat resistance and pressure resistance.
  • the greenhouse gases in the gas decomposition chamber 120 are decomposed into carbon monoxide, oxygen and hydrogen by means of supplied microwave energy, as represented by the following Formulas 1 and 2.
  • the decomposed gases may be discharged through a decomposed gas exhaust pipe.
  • greenhouse gases generated in a molten iron-making process may be decomposed into nontoxic gases during this gas discharge operation.
  • the decomposed gases re-flow into the melting furnace/blast furnace 1 via the hot blast pipe 6 of the molten iron-making device. Then, the decomposed gases may be recycled in the melting furnace/blast furnace 1.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

L'invention concerne un appareil de traitement des gaz à effet de serre. L'appareil de traitement des gaz à effet de serre, qui décompose les gaz à effet de serre générés lors d'un procédé de production de fonte liquide, comprend: un régulateur de débit régulant un débit entrant des gaz à effet de serre; une chambre de décomposition des gaz stockant les gaz à effet de serre circulant dans le régulateur de débit et décomposant les gaz à effet de serre; une unité d'alimentation en énergie micro-onde alimentant en énergie micro-onde les gaz à effet de serre de manière à décomposer les gaz à effet de serre stockés dans la chambre de décomposition; et un tuyau d'évacuation des gaz décomposés évacuant les gaz décomposés.
PCT/KR2008/006903 2007-12-27 2008-11-21 Appareil pour le traitement des gaz à effet de serre WO2009093803A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010540557A JP2011509390A (ja) 2007-12-27 2008-11-21 温室効果ガス分解装置
CN2008801227960A CN101909724A (zh) 2007-12-27 2008-11-21 用于处理温室气体的装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20070139413A KR101482259B1 (ko) 2007-12-27 2007-12-27 온실 가스 분해 장치
KR10-2007-0139413 2007-12-27

Publications (1)

Publication Number Publication Date
WO2009093803A1 true WO2009093803A1 (fr) 2009-07-30

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ID=40901284

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/006903 WO2009093803A1 (fr) 2007-12-27 2008-11-21 Appareil pour le traitement des gaz à effet de serre

Country Status (4)

Country Link
JP (1) JP2011509390A (fr)
KR (1) KR101482259B1 (fr)
CN (1) CN101909724A (fr)
WO (1) WO2009093803A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015349A (en) * 1988-12-23 1991-05-14 University Of Connecticut Low power density microwave discharge plasma excitation energy induced chemical reactions
WO1992002448A1 (fr) * 1990-07-31 1992-02-20 Exxon Research And Engineering Company Conversion de methane et de dioxyde de carbone a l'aide du rayonnement de micro-ondes
US5266175A (en) * 1990-07-31 1993-11-30 Exxon Research & Engineering Company Conversion of methane, carbon dioxide and water using microwave radiation
US5972175A (en) * 1998-07-24 1999-10-26 Governors Of The University Of Alberta Catalytic microwave conversion of gaseous hydrocarbons
KR20050095887A (ko) * 2003-02-04 2005-10-04 신닛뽄세이테쯔 카부시키카이샤 이산화탄소의 분리 회수 방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH059140A (ja) * 1991-07-02 1993-01-19 Mitsubishi Heavy Ind Ltd 銑鉄・メタノール製造プラント
JPH1046264A (ja) * 1996-07-26 1998-02-17 Nippon Steel Corp 製鉄所内発生ダストを使用する焼結鉱製造方法
CN1131170C (zh) * 2000-11-15 2003-12-17 中国科学院金属研究所 一种微波强化甲烷与二氧化碳重整制合成气的方法
JP4581721B2 (ja) * 2005-02-04 2010-11-17 東京電力株式会社 マイクロ波加熱装置及びそれを用いた二酸化炭素分解方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015349A (en) * 1988-12-23 1991-05-14 University Of Connecticut Low power density microwave discharge plasma excitation energy induced chemical reactions
WO1992002448A1 (fr) * 1990-07-31 1992-02-20 Exxon Research And Engineering Company Conversion de methane et de dioxyde de carbone a l'aide du rayonnement de micro-ondes
US5266175A (en) * 1990-07-31 1993-11-30 Exxon Research & Engineering Company Conversion of methane, carbon dioxide and water using microwave radiation
US5972175A (en) * 1998-07-24 1999-10-26 Governors Of The University Of Alberta Catalytic microwave conversion of gaseous hydrocarbons
KR20050095887A (ko) * 2003-02-04 2005-10-04 신닛뽄세이테쯔 카부시키카이샤 이산화탄소의 분리 회수 방법 및 장치

Also Published As

Publication number Publication date
JP2011509390A (ja) 2011-03-24
KR20090071185A (ko) 2009-07-01
KR101482259B1 (ko) 2015-01-13
CN101909724A (zh) 2010-12-08

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