FI791947A - Framstaellning av ren hcn-fri syntesgas - Google Patents

Framstaellning av ren hcn-fri syntesgas

Info

Publication number
FI791947A
FI791947A FI791947A FI791947A FI791947A FI 791947 A FI791947 A FI 791947A FI 791947 A FI791947 A FI 791947A FI 791947 A FI791947 A FI 791947A FI 791947 A FI791947 A FI 791947A
Authority
FI
Finland
Prior art keywords
syntesgas
framstaellning
fri
hcn
ren
Prior art date
Application number
FI791947A
Other languages
English (en)
Other versions
FI68036B (fi
FI68036C (fi
Inventor
Charles Parker Marion
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of FI791947A publication Critical patent/FI791947A/fi
Publication of FI68036B publication Critical patent/FI68036B/fi
Application granted granted Critical
Publication of FI68036C publication Critical patent/FI68036C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0415—Purification by absorption in liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0485—Composition of the impurity the impurity being a sulfur compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/049—Composition of the impurity the impurity being carbon
FI791947A 1978-06-26 1979-06-19 Foerfarande foer framstaellning av ren hcn-fri syntesgas FI68036C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91909178 1978-06-26
US05/919,091 US4189307A (en) 1978-06-26 1978-06-26 Production of clean HCN-free synthesis gas

Publications (3)

Publication Number Publication Date
FI791947A true FI791947A (fi) 1979-12-27
FI68036B FI68036B (fi) 1985-03-29
FI68036C FI68036C (fi) 1985-07-10

Family

ID=25441490

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791947A FI68036C (fi) 1978-06-26 1979-06-19 Foerfarande foer framstaellning av ren hcn-fri syntesgas

Country Status (21)

Country Link
US (1) US4189307A (fi)
JP (1) JPS553886A (fi)
BE (1) BE877285A (fi)
BR (1) BR7903974A (fi)
CA (1) CA1103929A (fi)
DE (1) DE2914937A1 (fi)
DK (1) DK267379A (fi)
ES (1) ES481776A1 (fi)
FI (1) FI68036C (fi)
FR (1) FR2429827B1 (fi)
GB (1) GB2024244B (fi)
GR (1) GR67644B (fi)
IN (1) IN151279B (fi)
IT (1) IT1121918B (fi)
MX (1) MX6583E (fi)
NL (1) NL7904926A (fi)
NO (1) NO792061L (fi)
PT (1) PT69754A (fi)
SE (1) SE7905555L (fi)
YU (1) YU40754B (fi)
ZA (1) ZA792623B (fi)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN153794B (fi) * 1979-03-06 1984-08-18 Aeci Ltd
JPS58185197U (ja) * 1982-06-02 1983-12-09 鶴田　毅 洗濯物干し具
CN86104274A (zh) * 1985-06-26 1987-05-13 国际壳牌研究公司 除去合成气中的氰化氢、氨和氧硫化碳
US4704137A (en) * 1987-02-09 1987-11-03 Texaco Inc. Process for upgrading water used in cooling and cleaning of raw synthesis gas
DE3716199A1 (de) * 1987-05-14 1988-11-24 Linde Ag Verfahren und vorrichtung zur reinigung von rohgasen unter gleichzeitiger gewinnung von synthese- und brenngas
US4863489A (en) * 1989-02-03 1989-09-05 Texaco Inc. Production of demercurized synthesis gas, reducing gas, or fuel gas
US5364605A (en) * 1991-06-05 1994-11-15 Fmc Corporation Recovery of cyanide from precious metal tailings
US5232467A (en) * 1992-06-18 1993-08-03 Texaco Inc. Process for producing dry, sulfur-free, CH4 -enriched synthesis or fuel gas
US5295350A (en) * 1992-06-26 1994-03-22 Texaco Inc. Combined power cycle with liquefied natural gas (LNG) and synthesis or fuel gas
US5720785A (en) * 1993-04-30 1998-02-24 Shell Oil Company Method of reducing hydrogen cyanide and ammonia in synthesis gas
US5403366A (en) * 1993-06-17 1995-04-04 Texaco Inc. Partial oxidation process for producing a stream of hot purified gas
EP0661372A1 (en) * 1993-12-30 1995-07-05 Shell Internationale Researchmaatschappij B.V. Removing contaminants from synthesis gas
US5948378A (en) * 1998-01-30 1999-09-07 Exxon Research And Engineering Co. Removal of ammonia and cyanide from synthesis gas with water production
US5929126A (en) * 1998-01-30 1999-07-27 Exxon Research And Engineering Co. Gas conversion with rejuvenation ammonia removal
US6998098B2 (en) * 2002-11-11 2006-02-14 Conocophillips Company Removal of gases from a feed
CA2518458C (en) * 2003-03-10 2013-01-29 Gary Rochelle Regeneration of an aqueous solution from an acid gas absorption process by multistage flashing and stripping
BRPI0412767A (pt) * 2003-07-22 2006-09-26 Dow Global Technologies Inc regeneração de fluidos de tratamento contendo gás ácido
US20050154069A1 (en) * 2004-01-13 2005-07-14 Syntroleum Corporation Fischer-Tropsch process in the presence of nitrogen contaminants
US7022742B2 (en) * 2004-04-08 2006-04-04 Syntroleum Corporation Process to control nitrogen-containing compounds in synthesis gas
US7625432B2 (en) * 2005-05-23 2009-12-01 Shell Oil Company Process for the removal of contaminants
US8475570B2 (en) * 2007-07-31 2013-07-02 Shell Oil Company Process for producing purified gas from gas comprising H2S, CO2 and HCN and/or COS
US8591631B2 (en) * 2007-07-31 2013-11-26 General Electric Company Method and apparatus to produce synthetic gas
WO2009048724A2 (en) * 2007-10-09 2009-04-16 Greatpoint Energy, Inc. Compositions for catalytic gasification of a petroleum coke and process for their conversion to methane
AU2008345189B2 (en) * 2007-12-28 2011-09-22 Greatpoint Energy, Inc. Petroleum coke compositions for catalytic gasification
WO2009086407A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock
US20090165380A1 (en) * 2007-12-28 2009-07-02 Greatpoint Energy, Inc. Petroleum Coke Compositions for Catalytic Gasification
US20090165361A1 (en) * 2007-12-28 2009-07-02 Greatpoint Energy, Inc. Carbonaceous Fuels and Processes for Making and Using Them
WO2009086370A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Processes for making syngas-derived products
US8361428B2 (en) 2008-02-29 2013-01-29 Greatpoint Energy, Inc. Reduced carbon footprint steam generation processes
WO2009111345A2 (en) 2008-02-29 2009-09-11 Greatpoint Energy, Inc. Catalytic gasification particulate compositions
US20090260287A1 (en) * 2008-02-29 2009-10-22 Greatpoint Energy, Inc. Process and Apparatus for the Separation of Methane from a Gas Stream
US20090217575A1 (en) * 2008-02-29 2009-09-03 Greatpoint Energy, Inc. Biomass Char Compositions for Catalytic Gasification
US8286901B2 (en) 2008-02-29 2012-10-16 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US8297542B2 (en) * 2008-02-29 2012-10-30 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US8709113B2 (en) * 2008-02-29 2014-04-29 Greatpoint Energy, Inc. Steam generation processes utilizing biomass feedstocks
WO2009111342A2 (en) * 2008-02-29 2009-09-11 Greatpoint Energy, Inc Carbonaceous fines recycle
CA2718536C (en) 2008-04-01 2014-06-03 Greatpoint Energy, Inc. Sour shift process for the removal of carbon monoxide from a gas stream
CA2718295C (en) * 2008-04-01 2013-06-18 Greatpoint Energy, Inc. Processes for the separation of methane from a gas stream
US20090324459A1 (en) * 2008-06-27 2009-12-31 Greatpoint Energy, Inc. Three-Train Catalytic Gasification Systems
WO2009158582A2 (en) * 2008-06-27 2009-12-30 Greatpoint Energy, Inc. Four-train catalytic gasification systems
WO2009158580A2 (en) * 2008-06-27 2009-12-30 Greatpoint Energy, Inc. Four-train catalytic gasification systems
WO2009158583A2 (en) * 2008-06-27 2009-12-30 Greatpoint Energy, Inc. Four-train catalytic gasification systems
CA2729003C (en) * 2008-06-27 2014-08-12 Francis S. Lau Two-train catalytic gasification systems
WO2010033852A2 (en) 2008-09-19 2010-03-25 Greatpoint Energy, Inc. Processes for gasification of a carbonaceous feedstock
KR101290477B1 (ko) 2008-09-19 2013-07-29 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
CN102159687B (zh) * 2008-09-19 2016-06-08 格雷特波因特能源公司 使用炭甲烷化催化剂的气化方法
WO2010033848A2 (en) * 2008-09-19 2010-03-25 Greatpoint Energy, Inc. Processes for gasification of a carbonaceous feedstock
WO2010048493A2 (en) * 2008-10-23 2010-04-29 Greatpoint Energy, Inc. Processes for gasification of a carbonaceous feedstock
KR101290453B1 (ko) * 2008-12-30 2013-07-29 그레이트포인트 에너지, 인크. 촉매된 탄소질 미립자의 제조 방법
US8734548B2 (en) * 2008-12-30 2014-05-27 Greatpoint Energy, Inc. Processes for preparing a catalyzed coal particulate
CA2759961C (en) * 2009-05-13 2013-12-17 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8268899B2 (en) 2009-05-13 2012-09-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8728182B2 (en) * 2009-05-13 2014-05-20 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
WO2011017630A1 (en) 2009-08-06 2011-02-10 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US20110062722A1 (en) * 2009-09-16 2011-03-17 Greatpoint Energy, Inc. Integrated hydromethanation combined cycle process
JP5771615B2 (ja) * 2009-09-16 2015-09-02 グレイトポイント・エナジー・インコーポレイテッド 炭素質フィードストックの水添メタン化方法
CN102549121B (zh) * 2009-09-16 2015-03-25 格雷特波因特能源公司 整体加氢甲烷化联合循环方法
US20110064648A1 (en) 2009-09-16 2011-03-17 Greatpoint Energy, Inc. Two-mode process for hydrogen production
WO2011049858A2 (en) * 2009-10-19 2011-04-28 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
CA2773845C (en) * 2009-10-19 2014-06-03 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
US8303849B2 (en) * 2009-10-27 2012-11-06 Coskata, Inc. HCN removal from syngas using chemical and biological treatment
US7927513B1 (en) * 2009-10-27 2011-04-19 Coskata, Inc. Method of treating a hot syngas stream for conversion to chemical products by removing ammonia and COS
US20110146978A1 (en) * 2009-12-17 2011-06-23 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
AU2010339952B8 (en) 2009-12-17 2013-12-19 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
WO2011106285A1 (en) * 2010-02-23 2011-09-01 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
US8652696B2 (en) * 2010-03-08 2014-02-18 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
EP2563883A1 (en) 2010-04-26 2013-03-06 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with vanadium recovery
CN102906230B (zh) 2010-05-28 2015-09-02 格雷特波因特能源公司 液体重烃进料向气态产物的转化
WO2012024369A1 (en) 2010-08-18 2012-02-23 Greatpoint Energy, Inc. Hydromethanation of carbonaceous feedstock
WO2012033997A1 (en) 2010-09-10 2012-03-15 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
JP6124795B2 (ja) 2010-11-01 2017-05-10 グレイトポイント・エナジー・インコーポレイテッド 炭素質フィードストックの水添メタン化
KR20130109173A (ko) 2010-11-01 2013-10-07 그레이트포인트 에너지, 인크. 탄소질 공급원료의 히드로메탄화
CA2827916C (en) 2011-02-23 2016-06-21 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with nickel recovery
US20120271072A1 (en) 2011-04-22 2012-10-25 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
MY185085A (en) * 2011-05-11 2021-04-30 Shell Int Research Process for producing purified synthesis gas
WO2012166879A1 (en) 2011-06-03 2012-12-06 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
WO2013025812A1 (en) 2011-08-17 2013-02-21 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
US20130046124A1 (en) 2011-08-17 2013-02-21 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
WO2013052553A1 (en) 2011-10-06 2013-04-11 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
US8895274B2 (en) * 2011-11-28 2014-11-25 Coskata, Inc. Processes for the conversion of biomass to oxygenated organic compound, apparatus therefor and compositions produced thereby
US8974759B2 (en) * 2011-11-28 2015-03-10 Coskata, Inc. Processes for selectively reducing the concentration of hydrogen cyanide in syngas
US9034058B2 (en) 2012-10-01 2015-05-19 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
KR101717863B1 (ko) 2012-10-01 2017-03-17 그레이트포인트 에너지, 인크. 연소를 위한 오염된 저등급 석탄의 용도
IN2015DN02940A (fi) 2012-10-01 2015-09-18 Greatpoint Energy Inc
CN104685038B (zh) 2012-10-01 2016-06-22 格雷特波因特能源公司 附聚的颗粒状低煤阶煤原料及其用途
PE20190288A1 (es) 2016-06-28 2019-02-27 Shell Int Research Aparato y proceso para purificar gas de sintesis
US10793797B2 (en) 2017-08-16 2020-10-06 Praxair Technology, Inc. Integrated process and unit operation for conditioning a soot-containing syngas
RU2020124715A (ru) 2017-12-27 2022-01-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ очистки синтез-газа
US11441116B2 (en) * 2018-02-12 2022-09-13 Lanzatech, Inc. Integrated process for filtering constituents from a gas stream
EP3583997B1 (de) * 2018-06-18 2022-09-28 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Verfahren und anlage zur reinigung von rohsynthesegas
US10464872B1 (en) 2018-07-31 2019-11-05 Greatpoint Energy, Inc. Catalytic gasification to produce methanol
US10344231B1 (en) 2018-10-26 2019-07-09 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization
US10435637B1 (en) 2018-12-18 2019-10-08 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization and power generation
US10618818B1 (en) 2019-03-22 2020-04-14 Sure Champion Investment Limited Catalytic gasification to produce ammonia and urea

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171691C (nl) * 1973-02-26 1983-05-02 Shell Int Research Werkwijze voor de bereiding van waterstof en/of koolmonoxide bevattende gassen door onvolledige verbranding van brandstoffen en afscheiding van de daarbij gevormde vaste stofdeeltjes.
US1971779A (en) * 1932-01-08 1934-08-28 Koppers Co Delaware Gas purification process and recovery of by-products therefrom
US2143821A (en) * 1934-07-09 1939-01-10 Rohm & Haas Recovery of hydrocyanic acid
US2088003A (en) * 1935-03-09 1937-07-27 Rohm & Haas Recovery of hydrocyanic acid
DE1014278B (de) * 1952-06-25 1957-08-22 Metallgesellschaft Ag Verfahren zur Entfernung von Bestandteilen aus Schwefelwasserstoff und Kohlenwasserstoffe enthaltenden Gasen
US2989147A (en) * 1958-03-03 1961-06-20 Koppers Co Inc Hcn removal
GB1309785A (en) * 1969-05-16 1973-03-14 Exxon Research Engineering Co Promotor for acid gas absorption
JPS5136715B2 (fi) * 1971-11-02 1976-10-09
US3878289A (en) * 1972-08-24 1975-04-15 Parsons Co Ralph M Process for the removal of hydrogen cyanide from gas streams
DE2260248C3 (de) * 1972-12-08 1981-08-27 Linde Ag, 6200 Wiesbaden Verfahren und Vorrichtung zur Entfernung von Cyanwasserstoff aus Gasen
GB1491676A (en) * 1973-11-27 1977-11-09 Shell Int Research Process for manufacturing a hydrogen and carbon monoxide-containing gas
US3866411A (en) * 1973-12-27 1975-02-18 Texaco Inc Gas turbine process utilizing purified fuel and recirculated flue gases
US3950492A (en) * 1974-02-11 1976-04-13 Dr. C. Otto & Comp. G.M.B.H. Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances
US4088735A (en) * 1974-07-10 1978-05-09 Metallgesellschaft Aktiengesellschaft Process for purifying gases from the gasification of fossil fuels
DE2531721A1 (de) * 1974-07-17 1976-02-05 Fairtec Ag Verfahren zur entgiftung von nitrose gase und/oder cyanwasserstoff enthaltenden gasen
US3929429A (en) * 1974-09-26 1975-12-30 Texaco Inc Fuel gas from solid carbonaceous fuels
US4110359A (en) * 1976-12-10 1978-08-29 Texaco Development Corporation Production of cleaned and purified synthesis gas and carbon monoxide
US4081253A (en) * 1976-12-10 1978-03-28 Texaco Development Corporation Production of purified synthesis gas and carbon monoxide

Also Published As

Publication number Publication date
IT7923841A0 (it) 1979-06-25
DK267379A (da) 1979-12-27
GB2024244A (en) 1980-01-09
SE7905555L (sv) 1979-12-27
JPS553886A (en) 1980-01-11
YU151979A (en) 1982-10-31
FR2429827A1 (fr) 1980-01-25
NL7904926A (nl) 1979-12-28
FI68036B (fi) 1985-03-29
IT1121918B (it) 1986-04-23
BE877285A (fr) 1979-12-27
ES481776A1 (es) 1980-03-01
DE2914937A1 (de) 1980-01-10
BR7903974A (pt) 1980-03-25
FR2429827B1 (fr) 1985-12-06
IN151279B (fi) 1983-03-19
GR67644B (fi) 1981-09-01
ZA792623B (en) 1980-10-29
CA1103929A (en) 1981-06-30
US4189307A (en) 1980-02-19
NO792061L (no) 1979-12-28
GB2024244B (en) 1982-08-11
MX6583E (es) 1985-07-25
FI68036C (fi) 1985-07-10
YU40754B (en) 1986-04-30
PT69754A (en) 1979-07-01

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Owner name: TEXACO DEVELOPMENT CORPORATION