BE833595A - Procede d'elimination d'oxydes d'azote a partir de gaz uses - Google Patents

Procede d'elimination d'oxydes d'azote a partir de gaz uses

Info

Publication number
BE833595A
BE833595A BE160180A BE160180A BE833595A BE 833595 A BE833595 A BE 833595A BE 160180 A BE160180 A BE 160180A BE 160180 A BE160180 A BE 160180A BE 833595 A BE833595 A BE 833595A
Authority
BE
Belgium
Prior art keywords
elimination
nitrogen oxides
waste gases
gases
waste
Prior art date
Application number
BE160180A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE833595A publication Critical patent/BE833595A/xx

Links

Classifications

    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/468—Iridium
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8926—Copper and noble metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
BE160180A 1974-09-20 1975-09-19 Procede d'elimination d'oxydes d'azote a partir de gaz uses BE833595A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49108417A JPS5135667A (en18) 1974-09-20 1974-09-20

Publications (1)

Publication Number Publication Date
BE833595A true BE833595A (fr) 1976-03-19

Family

ID=14484222

Family Applications (1)

Application Number Title Priority Date Filing Date
BE160180A BE833595A (fr) 1974-09-20 1975-09-19 Procede d'elimination d'oxydes d'azote a partir de gaz uses

Country Status (6)

Country Link
US (1) US4016241A (en18)
JP (1) JPS5135667A (en18)
BE (1) BE833595A (en18)
DE (1) DE2541165A1 (en18)
FR (1) FR2285171A1 (en18)
NL (1) NL7510990A (en18)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291776A (en) * 1976-01-30 1977-08-02 Mitsubishi Heavy Ind Ltd Treatment of nitrogen oxides in exhaust gas
FR2505205B1 (fr) * 1981-05-05 1986-05-23 Inst Francais Du Petrole Nouveaux catalyseurs de metaux nobles du groupe viii supportes a haute dispersion et grande activite leur fabrication et leur utilisation notamment dans les reactions d'hydrogenation
US4415363A (en) * 1982-05-03 1983-11-15 The Bendix Corporation Sintered iron base friction material
JPS59208264A (ja) * 1983-05-13 1984-11-26 Yokohama Rubber Co Ltd:The 無段変速機における摩擦輪
DE3405650A1 (de) * 1983-07-12 1985-01-24 Uhde Gmbh, 4600 Dortmund Verfahren zur verringerung von no(pfeil abwaerts)x(pfeil abwaerts)-gehalten in abgasen
DE3326639A1 (de) * 1983-07-23 1985-01-31 Hoechst Ag, 6230 Frankfurt Verfahren zur verminderung des stickstoffdioxidgehaltes von gasgemischen
DE3573770D1 (en) * 1984-08-03 1989-11-23 Sievers Res Inc Method for selective conversion of organic compounds and detecting same by gas chromatography and chemiluminescence detection
JPS63215731A (ja) * 1987-03-03 1988-09-08 Sumitomo Metal Ind Ltd ブレ−キ摩擦材の製造方法
JPH0427431A (ja) * 1990-05-23 1992-01-30 Sakai Chem Ind Co Ltd 窒素酸化物接触還元用触媒
US5534237A (en) * 1991-07-23 1996-07-09 Kubushiki Kaisha Riken Method of cleaning an exhaust gas and exhaust gas cleaner therefor
US5714432A (en) * 1992-12-28 1998-02-03 Kabushiki Kaisha Riken Exhaust gas cleaner comprising supported silver or silver oxide particles
JP3440290B2 (ja) * 1993-08-26 2003-08-25 独立行政法人産業技術総合研究所 排ガス浄化方法
JP3865838B2 (ja) * 1996-11-29 2007-01-10 株式会社アイシーティー 窒素酸化物除去用触媒、その製造方法及び該触媒を用いた排ガスの浄化方法
WO2002040152A1 (fr) * 2000-11-17 2002-05-23 Osaka Gas Company Limited Catalyseur utile pour purifier des gaz residuaires contenant du methane et procede de purification de gaz residuaires contenant du methane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA630690A (en) * 1961-11-07 C. Andersen Holger Treatment of gases
US3896616A (en) * 1972-04-21 1975-07-29 Engelhard Min & Chem Process and apparatus
US3867507A (en) * 1972-04-24 1975-02-18 Exxon Research Engineering Co Method for removing the oxides of nitrogen as air contaminants

Also Published As

Publication number Publication date
FR2285171B1 (en18) 1981-04-30
JPS5135667A (en18) 1976-03-26
NL7510990A (nl) 1976-03-23
DE2541165A1 (de) 1976-04-01
US4016241A (en) 1977-04-05
FR2285171A1 (fr) 1976-04-16

Similar Documents

Publication Publication Date Title
FR2289231A1 (fr) Procede ameliore d'elimination d'oxydes de soufre et/ou d'oxydes d'azote a partir de gaz uses
BE813552A (fr) Procede de separation d'oxydes d'azote a partir d'un gaz
BE827165A (fr) Procede de purification d'un gaz naturel
BE849821A (fr) Procede de separation d'oxydes d'azote a partir de gaz residuaires
FR2340763A1 (fr) Procede pour traiter un gaz d'echappement renfermant des oxydes de soufre
FR2274338A1 (fr) Epuration de gaz residuaires, notamment a teneur d'oxydes d'azote et de soufre
BE837335A (fr) Procede ameliore de separation d'oxydes d'azote a partir de gaz residuaires
FR2295784A1 (fr) Procede d'epuration d'un gaz contenant des composes du soufre
BE833595A (fr) Procede d'elimination d'oxydes d'azote a partir de gaz uses
BE842035A (fr) Procede d'adsorption selective d'oxydes d'azote de courants gazeux
FR2290243A1 (fr) Procede de traitement d'un gaz d'echappement produit par combustion et contenant des oxydes d'azote
FR1186361A (fr) Procédé de purification de fumées ou gaz perdus qui contiennent des oxydes d'azote
FR2290242A1 (fr) Procede d'enlevement d'oxydes d'azote a partir de gaz d'echappement de combustion et nouveaux produits ainsi obtenus
FR2297074A1 (fr) Procede d'elimination des oxydes d'azote contenus dans les gaz d'echappement produits par combustion
FR2290241A1 (fr) Procede d'elimination des oxydes d'azote contenus dans les gaz d'echappement produits par combustion
BE817674A (fr) Procede de separation d'oxydes de soufre et d'oxydes d'azote de gaz de combustion
BE843762A (fr) Procede de purification de gaz d'evacuation industriels
FR2284368A1 (fr) Catalyseur de reduction selective et son application pour l'elimination des oxydes d'azote d'un gaz residuaire contenant egalement des oxydes de soufre
BE793519A (fr) Procede d'elimination des oxydes d'azote de gaz residuaires
BE820229R (fr) Catalyseur de reduction pour l'elimination des oxydes d'azote des gaz d'echappement
BE833109A (fr) Procede d'elimination d'oxydes d'azote a partir de gaz uses
FR2333559A1 (fr) Procede pour eliminer les oxydes de l'azote contenus dans des gaz brules
BE831821A (fr) Procede pour l'obtention de gaz riches en azote
BE833271A (fr) Procede de purification d'actinides presentant un faible degre d'oxydation
FR2308398A1 (fr) Procede d'enlevement de poussieres a partir de gaz d'echappement provenant de combustion