DE3223828C2 - - Google Patents

Info

Publication number
DE3223828C2
DE3223828C2 DE19823223828 DE3223828A DE3223828C2 DE 3223828 C2 DE3223828 C2 DE 3223828C2 DE 19823223828 DE19823223828 DE 19823223828 DE 3223828 A DE3223828 A DE 3223828A DE 3223828 C2 DE3223828 C2 DE 3223828C2
Authority
DE
Germany
Prior art keywords
nickel
coal
aqueous
reducing gas
ammonium
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.)
Expired - Lifetime
Application number
DE19823223828
Other languages
German (de)
English (en)
Other versions
DE3223828A1 (de
Inventor
Yasukatsu Tamai
Taijiro Okabe
Akira Sendai Miyagi Jp Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Engineering Corp
Original Assignee
Toyo Engineering 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 Toyo Engineering Corp filed Critical Toyo Engineering Corp
Publication of DE3223828A1 publication Critical patent/DE3223828A1/de
Application granted granted Critical
Publication of DE3223828C2 publication Critical patent/DE3223828C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/12—Complexes with ammonia
    • 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
    • C10J3/78—High-pressure apparatus
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0446—Leaching processes with an ammoniacal liquor or with a hydroxide of an alkali or alkaline-earth metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0959—Oxygen
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0966—Hydrogen
    • 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
    • C10J2300/0953—Gasifying agents
    • C10J2300/0973—Water
    • C10J2300/0976—Water as steam
    • 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
    • C10J2300/0983—Additives
    • C10J2300/0986—Catalysts
    • 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
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DE19823223828 1981-06-26 1982-06-25 Verfahren zur gewinnung von nickel Granted DE3223828A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56099239A JPS6053730B2 (ja) 1981-06-26 1981-06-26 ニツケル精錬法

Publications (2)

Publication Number Publication Date
DE3223828A1 DE3223828A1 (de) 1983-01-20
DE3223828C2 true DE3223828C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-09

Family

ID=14242133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823223828 Granted DE3223828A1 (de) 1981-06-26 1982-06-25 Verfahren zur gewinnung von nickel

Country Status (4)

Country Link
US (1) US4466828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6053730B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU547102B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3223828A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320314C2 (de) * 1992-06-18 2001-11-08 Outokumpu Harjavalta Metals Oy Verfahren zur Verhinderung der Bildung von Jarosit und Doppelsalzen auf Ammonium- und Alkalibasis bei Lösungsextraktionskreisläufen in Verbindung mit Säureauslaugprozessen

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10308269B4 (de) * 2003-02-26 2015-06-11 Thyssenkrupp Industrial Solutions Ag Verfahren zur Gewinnung von Nickel
US8114176B2 (en) * 2005-10-12 2012-02-14 Great Point Energy, Inc. Catalytic steam gasification of petroleum coke to methane
US7922782B2 (en) 2006-06-01 2011-04-12 Greatpoint Energy, Inc. Catalytic steam gasification process with recovery and recycle of alkali metal compounds
US8163048B2 (en) 2007-08-02 2012-04-24 Greatpoint Energy, Inc. Catalyst-loaded coal compositions, methods of making and use
CN101910373B (zh) 2007-12-28 2013-07-24 格雷特波因特能源公司 从焦炭中回收碱金属的催化气化方法
WO2009086370A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Processes for making syngas-derived products
WO2009086383A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
WO2009086407A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock
US8709113B2 (en) 2008-02-29 2014-04-29 Greatpoint Energy, Inc. Steam generation processes utilizing biomass feedstocks
US8652222B2 (en) 2008-02-29 2014-02-18 Greatpoint Energy, Inc. Biomass compositions for catalytic gasification
US7926750B2 (en) 2008-02-29 2011-04-19 Greatpoint Energy, Inc. Compactor feeder
US8114177B2 (en) 2008-02-29 2012-02-14 Greatpoint Energy, Inc. Co-feed of biomass as source of makeup catalysts for catalytic coal gasification
US8366795B2 (en) 2008-02-29 2013-02-05 Greatpoint Energy, Inc. Catalytic gasification particulate compositions
US8286901B2 (en) 2008-02-29 2012-10-16 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
CA2716135C (en) 2008-02-29 2013-05-28 Greatpoint Energy, Inc. Particulate composition for gasification, preparation and continuous conversion thereof
US8297542B2 (en) 2008-02-29 2012-10-30 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
WO2009111332A2 (en) 2008-02-29 2009-09-11 Greatpoint Energy, Inc. Reduced carbon footprint steam generation processes
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
KR101256288B1 (ko) 2008-09-19 2013-04-23 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
CN102159683B (zh) * 2008-09-19 2014-10-01 格雷特波因特能源公司 碳质原料的气化方法
US8502007B2 (en) 2008-09-19 2013-08-06 Greatpoint Energy, Inc. Char methanation catalyst and its use in gasification processes
KR101275429B1 (ko) 2008-10-23 2013-06-18 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
AU2009335163B2 (en) 2008-12-30 2013-02-21 Greatpoint Energy, Inc. Processes for preparing a catalyzed coal particulate
KR101290453B1 (ko) 2008-12-30 2013-07-29 그레이트포인트 에너지, 인크. 촉매된 탄소질 미립자의 제조 방법
CN102482597B (zh) 2009-05-13 2014-08-20 格雷特波因特能源公司 含碳原料的加氢甲烷化方法
CN102459525B (zh) 2009-05-13 2016-09-21 格雷特波因特能源公司 进行含碳原料的加氢甲烷化的方法
US8268899B2 (en) 2009-05-13 2012-09-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
CN102482598B (zh) * 2009-09-16 2014-09-17 格雷特波因特能源公司 双模式制氢法
CN102597417B (zh) 2009-10-19 2014-10-01 格雷特波因特能源公司 整合的强化采油方法
US8479833B2 (en) 2009-10-19 2013-07-09 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
WO2011084580A2 (en) 2009-12-17 2011-07-14 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
CN102754266B (zh) 2010-02-23 2015-09-02 格雷特波因特能源公司 集成的加氢甲烷化燃料电池发电
US8652696B2 (en) 2010-03-08 2014-02-18 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
CA2791942A1 (en) 2010-04-26 2011-11-10 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with vanadium recovery
CA2793893A1 (en) 2010-05-28 2011-12-01 Greatpoint Energy, Inc. Conversion of liquid heavy hydrocarbon feedstocks to gaseous products
JP2013535565A (ja) 2010-08-18 2013-09-12 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ハイドロメタネーション
KR101543136B1 (ko) 2010-11-01 2015-08-07 그레이트포인트 에너지, 인크. 탄소질 공급원료의 히드로메탄화
WO2012116003A1 (en) 2011-02-23 2012-08-30 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with nickel recovery
US9127221B2 (en) 2011-06-03 2015-09-08 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
WO2013052553A1 (en) 2011-10-06 2013-04-11 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
CN104685039B (zh) 2012-10-01 2016-09-07 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
KR101717863B1 (ko) 2012-10-01 2017-03-17 그레이트포인트 에너지, 인크. 연소를 위한 오염된 저등급 석탄의 용도
WO2014055349A1 (en) 2012-10-01 2014-04-10 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
US9273260B2 (en) 2012-10-01 2016-03-01 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815888A (en) * 1929-04-02 1931-07-28 Thaddeus F Baily Method of recovering metals and oxides from boiler ash
US3644114A (en) * 1970-01-26 1972-02-22 Sherritt Gordon Mines Ltd Method for leaching reduced laterite ores
US3736125A (en) * 1970-07-16 1973-05-29 Kennecott Copper Corp Two stage selective leaching of copper and nickel from complex ore
JPS51111205A (en) * 1975-03-26 1976-10-01 Univ Tohoku Method of gasification accompanied by liquid ammonia treatment of the carbonnaceous substance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320314C2 (de) * 1992-06-18 2001-11-08 Outokumpu Harjavalta Metals Oy Verfahren zur Verhinderung der Bildung von Jarosit und Doppelsalzen auf Ammonium- und Alkalibasis bei Lösungsextraktionskreisläufen in Verbindung mit Säureauslaugprozessen

Also Published As

Publication number Publication date
AU8530982A (en) 1983-01-06
DE3223828A1 (de) 1983-01-20
US4466828A (en) 1984-08-21
JPS6053730B2 (ja) 1985-11-27
JPS581028A (ja) 1983-01-06
AU547102B2 (en) 1985-10-03

Similar Documents

Publication Publication Date Title
DE3223828C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2808263C2 (de) Verfahren zur Rückgewinnung von Nickel aus nickelhaltigen Rückständen
DE2816891C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE2613471A1 (de) Verfahren zum behandeln von festen brennstoffen
DE2626520A1 (de) Verfahren zur herstellung von synthesegas
DE3224870A1 (de) Verfahren und vorrichtung zur crackung von schwefelwasserstoff
DE2750006C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE1769352A1 (de) Regenerierung eines Absorptionsmittels unter Verwendung eines Kohlenstoff-Regenerierungsmittels
DE69006860T2 (de) Verfahren zur Reinigung eines reduzierenden Gases hoher Temperatur.
DE2802825A1 (de) Verfahren zur rueckgewinnung von alkalimetallverbindungen zur wiederverwendung in katalytischen kohleumwandlungsprozessen
DE2167259C2 (de) Verfahren zum Pyrolysieren von kohlenstoffhaltigen Materialien
DE2014695A1 (de) Verfahren zum Vergasen von kohlen stoffhaltigem Material
DE2804910C3 (de) Verfahren zur Behandlung von uranhaltigen Erzen
DE2544599B2 (de) Verfahren zur Herstellung von gasförmigen Produkten aus kohlenstoffhaltigen Brennstoffen
DE2627325A1 (de) Umwandlung fester brennstoffe
DE2802998A1 (de) Verfahren zur umwandlung von kohlenstoffhaltigen ausgangsmaterialien
DE2641895A1 (de) Verfahren zur erzeugung von durch co-verschiebung umgewandelten gasen
DE2364266A1 (de) Verfahren zur gasreinigung
DE2149443C2 (de) Verfahren zur Entfernung von Schwefeloxiden aus Abgasen
DE2854908A1 (de) Verfahren zum vergasen von kohle
DE2754819A1 (de) Kontinuierliches verfahren zur reduktion des schwefeldioxidgehaltes eines gasstromes
CH509946A (de) Verfahren zur Behandlung von Abwässern
DE2944824A1 (de) Verbessertes verfahren zur kohleverfluessigung
DE581986C (de) Herstellung von Wasserstoff oder Wasserstoff-Stickstoff-Gemischen aus Methan oder methanreichen Gasen
DE68913468T2 (de) Verfahren und Vorrichtung zum Entschwefeln von Gas.

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee