FR2189112A1 - - Google Patents

Info

Publication number
FR2189112A1
FR2189112A1 FR7321840A FR7321840A FR2189112A1 FR 2189112 A1 FR2189112 A1 FR 2189112A1 FR 7321840 A FR7321840 A FR 7321840A FR 7321840 A FR7321840 A FR 7321840A FR 2189112 A1 FR2189112 A1 FR 2189112A1
Authority
FR
France
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Withdrawn
Application number
FR7321840A
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.)
Princeton Chemical Research Inc
Original Assignee
Princeton Chemical Research Inc
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 Princeton Chemical Research Inc filed Critical Princeton Chemical Research Inc
Publication of FR2189112A1 publication Critical patent/FR2189112A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/0404—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process
    • 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
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3433—Regenerating or reactivating of sorbents or filter aids other than those covered by B01J20/3408 - B01J20/3425
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
    • B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/34—Regenerating or reactivating
    • B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
    • B01D2253/1124—Metal oxides
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/515—Specific contaminant removal
    • Y10S502/517—Sulfur or sulfur compound removal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
FR7321840A 1972-06-16 1973-06-15 Withdrawn FR2189112A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26348372A 1972-06-16 1972-06-16

Publications (1)

Publication Number Publication Date
FR2189112A1 true FR2189112A1 (fr) 1974-01-25

Family

ID=23001969

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7321840A Withdrawn FR2189112A1 (fr) 1972-06-16 1973-06-15

Country Status (9)

Country Link
US (1) US4323544A (fr)
JP (1) JPS4963685A (fr)
AU (1) AU5689473A (fr)
BE (1) BE801007A (fr)
DE (1) DE2330234A1 (fr)
FR (1) FR2189112A1 (fr)
GB (1) GB1433762A (fr)
IT (1) IT985466B (fr)
NL (1) NL7307675A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371221A1 (fr) * 1976-10-29 1978-06-16 Matsushita Electric Ind Co Ltd Procede d'enlevement d'oxydes d'azote a partir de gaz
FR2486822A1 (fr) * 1980-07-21 1982-01-22 Aluminum Co Of America Catalyseur de claus a base d'alumine activee et d'oxyde de sodium, son procede de fabrication et son procede d'utilisation
FR2578753A1 (fr) * 1985-03-13 1986-09-19 Hokkaido Electric Power Procede de preparation d'agents de desulfuration et de denitrification pour un gaz residuaire produit par combustion
WO1992000803A1 (fr) * 1990-07-03 1992-01-23 Alcan International Limited Adsorbants d'acides contenant de l'oxyde d'aluminium et procede de production de ces acides
EP0511544A1 (fr) * 1991-04-24 1992-11-04 W.R. Grace & Co.-Conn. Nouveau sorbant SOx/NOx et procédé d'utilisation
EP0540428A2 (fr) * 1991-10-31 1993-05-05 Hitachi Zosen Corporation Adsorbant pour éliminer des oxides d'azote à basse concentration
EP0658370A1 (fr) * 1993-12-17 1995-06-21 Toyota Jidosha Kabushiki Kaisha Procédé de préparation d'un catalyseur pour la purification de gaz d'échappement
EP0692302A3 (fr) * 1994-07-12 1996-02-14 Cataler Industrial Co., Ltd. Catalyseur et procédé pour la purification de gaz d'échappement

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JPS5822247B2 (ja) * 1974-10-11 1983-05-07 ニホンコウギヨウ カブシキガイシヤ ハイガスノシヨリホウ
JPS52101681A (en) * 1976-02-21 1977-08-25 Katsukawa Heitarou Gas absorbing and adsorbing agents
US4298497A (en) * 1980-01-21 1981-11-03 Nalco Chemical Company Composition for preventing cold end corrosion in boilers
US4579831A (en) * 1983-03-29 1986-04-01 Chevron Research Company Method of zeolitic catalyst manufacture
US4836993A (en) * 1983-09-27 1989-06-06 Amoco Corporation Process for removing sulfur oxides from a gas
DE3430887A1 (de) * 1984-08-22 1986-02-27 Didier-Werke Ag, 6200 Wiesbaden Verfahren zur reaktivierung eines katalysators und anlage zur durchfuehrung des verfahrens
US4940569A (en) * 1984-10-12 1990-07-10 Noxso Corporation Sorbent and processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
DE3590533C2 (de) * 1984-10-12 1996-10-31 Noxso Corp Sorbens für die Entfernung von Stickoxiden, Schwefeloxiden und Schwefelwasserstoff aus Gasströmen
US4798711A (en) * 1984-10-12 1989-01-17 Noxso Corporation Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
US4755499A (en) * 1984-10-12 1988-07-05 Noxso Corporation Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
US4925549A (en) * 1984-10-31 1990-05-15 Chevron Research Company Sulfur removal system for protection of reforming catalyst
US4783325A (en) * 1985-05-14 1988-11-08 Jones Dale G Process and apparatus for removing oxides of nitrogen and sulfur from combustion gases
DE3529272A1 (de) * 1985-08-16 1987-02-19 Bergwerksverband Gmbh Verfahren zur abtrennung von festen und gasfoermigen schadstoffen aus heissen gasen
FR2587237B1 (fr) * 1985-09-13 1988-01-08 Inst Francais Du Petrole Procede d'elimination d'oxydes de soufre d'un gaz au moyen d'une masse d'absorption regenerable par reaction avec du soufre elementaire
US4855117A (en) * 1985-09-13 1989-08-08 Institut Francais Du Petrole Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur
US4639259A (en) * 1985-10-09 1987-01-27 Kaiser Aluminum & Chemical Corporation Promoted scavenger for purifying HCl-contaminated gases
US4663020A (en) * 1986-02-21 1987-05-05 Amoco Corporation Multizone naphtha reforming process
US4732888A (en) * 1986-05-15 1988-03-22 Amax Inc. Durable zinc ferrite sorbent pellets for hot coal gas desulfurization
GB2200621A (en) * 1987-02-06 1988-08-10 Coal Ind Treatment of gases
DE3855248D1 (de) * 1987-05-18 1996-06-05 Ftu Gmbh Verwendung von reaktionsfähigem calciumhydroxid für die gas- und abgasreinigung sowie
US4829036A (en) * 1988-04-21 1989-05-09 Sanitech, Inc. Regeneration process for spent SO2 -NOX sorbents
EP0454885A1 (fr) * 1990-05-02 1991-11-06 Ftu Gmbh Procédé pour la purification de gaz et de gaz d'échappement de polluant
JPH0741142B2 (ja) * 1991-06-11 1995-05-10 川崎重工業株式会社 道路トンネル換気ガス中の低濃度窒素酸化物の除去方法
DE4130035C2 (de) * 1991-09-10 1997-08-14 Alpha Labor Gmbh Absorber zur Entfernung von sauren Schadstoffen aus einem Abgasstrom
US5514351A (en) * 1992-04-15 1996-05-07 Mobil Oil Corporation Desulfurizing tailgas from sulfur recovery unit
US5591417A (en) * 1992-04-15 1997-01-07 Mobil Oil Corporation Removing SOx, CO and NOx from flue gases
US5458861A (en) * 1992-04-15 1995-10-17 Mobil Oil Corporation Desulfurizing a gas stream
US5292492A (en) * 1992-05-04 1994-03-08 Mobil Oil Corporation Recovering sulfur from ammonia acid gas stream
US5741469A (en) * 1994-07-20 1998-04-21 Mobil Oil Corporation Process scheme for SOx removal from flue gases
US5599758A (en) * 1994-12-23 1997-02-04 Goal Line Environmental Technologies Regeneration of catalyst/absorber
US5656064A (en) * 1995-10-04 1997-08-12 Air Products And Chemicals, Inc. Base treated alumina in pressure swing adsorption
KR100222918B1 (ko) * 1997-09-04 1999-10-01 윤덕용 γ-알루미나에 알칼리염 및 산화구리가 담지되어 있는 흡수제
US5910294A (en) * 1997-11-17 1999-06-08 Air Products And Chemicals, Inc. Abatement of NF3 with metal oxalates
US5953911A (en) * 1998-02-04 1999-09-21 Goal Line Environmental Technologies Llc Regeneration of catalyst/absorber
US20020052291A1 (en) * 1999-09-30 2002-05-02 Ranjani Siriwardane Low temperature sorbents for removal of sulfur compounds from fluid feed streams
CA2397226C (fr) * 2000-01-11 2009-09-29 Emerachem, Llc Procede, systeme catalyseur et appareil de traitement de compose de soufre contenant un effluent
US7021049B2 (en) * 2000-09-29 2006-04-04 Ford Global Technologies, Llc Vehicle sulfur oxide trap and related method
DE10053904C2 (de) * 2000-10-31 2003-05-22 Emitec Emissionstechnologie Kleinvolumiger NO¶x¶-Adsorber
US8790668B2 (en) * 2003-05-08 2014-07-29 The Procter & Gamble Company Personal care compositions that deposit shiny particles
US20040223929A1 (en) * 2003-05-08 2004-11-11 The Procter & Gamble Company Personal care compositions containing hydrophobically modified interference pigments
US20040234565A1 (en) * 2003-05-08 2004-11-25 The Procter & Gamble Company Method for using personal care compositions containing shiny particles
US20050250658A1 (en) * 2004-05-07 2005-11-10 Putman Christopher D Methods of conditioning the skin and articles of commerce
US8147853B2 (en) * 2005-02-15 2012-04-03 The Procter & Gamble Company Personal care compositions containing hydrophobically modified non-platelet particles
US7744841B2 (en) * 2005-09-15 2010-06-29 New Technology Ventures, Inc. Sulfur removal using ferrous carbonate absorbent
EP2125159A1 (fr) * 2006-11-30 2009-12-02 Purafil, Inc. Compositions de milieux de lavage à sec et procédés de production et d'utilisation de celles-ci
US8168297B2 (en) * 2007-04-23 2012-05-01 E. I. Du Pont De Nemours And Company Fluoropolymer coated film, process for forming the same, and fluoropolymer liquid composition
DE602008002999D1 (de) * 2008-03-17 2010-11-25 Res Inst Petroleum Industry Verbesserung von Süsslösungen zur Entfernung von Schwefelwasserstoff aus Gasströmen
WO2009120744A1 (fr) * 2008-03-25 2009-10-01 Purafil, Inc. Compositions de milieu de lavage à sec et procédés de production et d'utilisation
CN101816886B (zh) * 2010-04-29 2012-01-25 昆明理工大学 燃煤烟气同时脱硫、脱硝和脱碳的方法
US9023237B2 (en) 2013-06-19 2015-05-05 New Technology Ventures, Inc. Highly active nano iron catalyst for the absorption of hydrogen sulfide
US9458027B2 (en) 2013-06-19 2016-10-04 New Technology Ventures, Inc. Sulfided iron (II) compound and method of manufacture
JP7120650B2 (ja) * 2016-10-14 2022-08-17 黄 立維 浄化剤の製造方法、浄化剤による浄化方法、及び浄化剤の再生方法
CN112933909B (zh) * 2021-03-08 2022-09-06 上海交通大学 一种烟气硫氧化物去除用脱硫吸附剂及其制备方法和应用

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US2992884A (en) * 1959-10-07 1961-07-18 Bienstock Daniel Process for the removal of sulfur oxides from gases
US3551093A (en) * 1968-10-21 1970-12-29 Us Interior Alkalized alumina absorbent and method of making same
US3790660A (en) * 1971-02-22 1974-02-05 Wellman Lord Inc Process for recovering sulfur dioxide from gases
US3755535A (en) * 1971-09-16 1973-08-28 Shell Oil Co Process for the removal of sulfur trioxide from industrial off gases
CA1106151A (fr) * 1975-10-10 1981-08-04 Robert Voirin Desulfuration de gaz contenant du so.sub.2

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371221A1 (fr) * 1976-10-29 1978-06-16 Matsushita Electric Ind Co Ltd Procede d'enlevement d'oxydes d'azote a partir de gaz
FR2486822A1 (fr) * 1980-07-21 1982-01-22 Aluminum Co Of America Catalyseur de claus a base d'alumine activee et d'oxyde de sodium, son procede de fabrication et son procede d'utilisation
FR2578753A1 (fr) * 1985-03-13 1986-09-19 Hokkaido Electric Power Procede de preparation d'agents de desulfuration et de denitrification pour un gaz residuaire produit par combustion
WO1992000803A1 (fr) * 1990-07-03 1992-01-23 Alcan International Limited Adsorbants d'acides contenant de l'oxyde d'aluminium et procede de production de ces acides
EP0722775A3 (fr) * 1991-04-24 1996-08-14 W.R. Grace & Co.-Conn. Nouveau sorbant pour SOx/NOx et procédé d'utilisation
EP0722775A2 (fr) * 1991-04-24 1996-07-24 W.R. Grace & Co.-Conn. Nouveau sorbant pour SOx/NOx et procédé d'utilisation
EP0511544A1 (fr) * 1991-04-24 1992-11-04 W.R. Grace & Co.-Conn. Nouveau sorbant SOx/NOx et procédé d'utilisation
EP0540428A2 (fr) * 1991-10-31 1993-05-05 Hitachi Zosen Corporation Adsorbant pour éliminer des oxides d'azote à basse concentration
EP0540428A3 (en) * 1991-10-31 1993-08-11 Hitachi Zosen Corporation Adsorbents for removing low-concentration nitrogen oxides
US5439868A (en) * 1991-10-31 1995-08-08 Hitachi Zosen Corporation Absorbents for removing low-concentration nitrogen oxides
EP0668099A2 (fr) * 1991-10-31 1995-08-23 Hitachi Zosen Corporation Adsorbants pour éliminer des oxydes d'azote à concentration réduite
US5612276A (en) * 1991-10-31 1997-03-18 Hitachi Zosen Corporation Adsorbents for removing low-concentration nitrogen oxides
EP0668099B1 (fr) * 1991-10-31 1998-01-14 Hitachi Zosen Corporation Adsorbants pour éliminer des oxydes d'azote à concentration réduite
EP0658370A1 (fr) * 1993-12-17 1995-06-21 Toyota Jidosha Kabushiki Kaisha Procédé de préparation d'un catalyseur pour la purification de gaz d'échappement
US5547913A (en) * 1993-12-17 1996-08-20 Toyota Jidosha Kabushiki Kaisha Process for producing exhaust-gases-purifying catalyst
EP0692302A3 (fr) * 1994-07-12 1996-02-14 Cataler Industrial Co., Ltd. Catalyseur et procédé pour la purification de gaz d'échappement
US5762892A (en) * 1994-07-12 1998-06-09 Cataler Industrial Co., Ltd. Process for purifying exhaust gases

Also Published As

Publication number Publication date
AU5689473A (en) 1974-12-19
JPS4963685A (fr) 1974-06-20
NL7307675A (fr) 1973-12-18
GB1433762A (en) 1976-04-28
IT985466B (it) 1974-11-30
DE2330234A1 (de) 1974-01-03
BE801007A (fr) 1973-10-01
US4323544A (en) 1982-04-06

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