JPS5746890B2 - - Google Patents

Info

Publication number
JPS5746890B2
JPS5746890B2 JP50071229A JP7122975A JPS5746890B2 JP S5746890 B2 JPS5746890 B2 JP S5746890B2 JP 50071229 A JP50071229 A JP 50071229A JP 7122975 A JP7122975 A JP 7122975A JP S5746890 B2 JPS5746890 B2 JP S5746890B2
Authority
JP
Japan
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
Application number
JP50071229A
Other languages
Japanese (ja)
Other versions
JPS51147470A (en
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
Priority to JP50071229A priority Critical patent/JPS51147470A/ja
Priority to US05/665,946 priority patent/US4046888A/en
Publication of JPS51147470A publication Critical patent/JPS51147470A/ja
Publication of JPS5746890B2 publication Critical patent/JPS5746890B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
JP50071229A 1975-06-12 1975-06-12 A process for catalytic reduction of nitrogen oxides Granted JPS51147470A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50071229A JPS51147470A (en) 1975-06-12 1975-06-12 A process for catalytic reduction of nitrogen oxides
US05/665,946 US4046888A (en) 1975-06-12 1976-03-11 Methods for catalytic reduction of nitrogen oxides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50071229A JPS51147470A (en) 1975-06-12 1975-06-12 A process for catalytic reduction of nitrogen oxides

Publications (2)

Publication Number Publication Date
JPS51147470A JPS51147470A (en) 1976-12-17
JPS5746890B2 true JPS5746890B2 (OSRAM) 1982-10-06

Family

ID=13454637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50071229A Granted JPS51147470A (en) 1975-06-12 1975-06-12 A process for catalytic reduction of nitrogen oxides

Country Status (2)

Country Link
US (1) US4046888A (OSRAM)
JP (1) JPS51147470A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6086380U (ja) * 1983-11-18 1985-06-14 株式会社タカラ ゲ−ム玩具

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022922A (ja) * 1983-07-20 1985-02-05 Babcock Hitachi Kk アンモニア還元脱硝触媒、装置および脱硝法
JPS60106535A (ja) * 1983-11-16 1985-06-12 Mitsubishi Heavy Ind Ltd 廃ガス処理用触媒
FR2568789B1 (fr) * 1984-08-13 1990-03-30 Babcock Hitachi Kk Procede de reduction-denitration par l'ammoniac et appareil pour sa mise en oeuvre
US4571329A (en) * 1984-08-13 1986-02-18 Babcock-Hitachi Kabushiki Kaisha Ammonia reduction-denitration process and apparatus therefor
DE3523326A1 (de) * 1985-06-29 1987-01-08 Steag Ag Verfahren zur abscheidung von no(pfeil abwaerts)x(pfeil abwaerts) aus gasen, insbesondere rauchgasen
US4798813A (en) * 1986-07-04 1989-01-17 Babcock-Hitachi Kabushiki Kaisha Catalyst for removing nitrogen oxide and process for producing the catalyst
DE3633493A1 (de) * 1986-10-02 1988-04-14 Metallgesellschaft Ag Verfahren zur katalytischen reduktion von no
US4867954A (en) * 1988-04-07 1989-09-19 Uop Catalytic reduction of nitrogen oxides
US4874590A (en) * 1988-04-07 1989-10-17 Uop Catalytic reduction of nitrogen oxides
DE68912262T2 (de) * 1988-10-07 1994-05-11 Sakai Chemical Industry Co Katalysatoren und Verfahren zur Denitrierung.
DE3841990A1 (de) * 1988-12-14 1990-06-21 Degussa Verfahren zur reduktion von stickoxiden aus abgasen
US5254515A (en) * 1989-10-31 1993-10-19 Mitsubishi Jukogyo Kabushiki Kaisha Catalyst for decomposing nitrogen oxides and a method of purifying a waste gas containing nitrogen oxides
US5364439A (en) * 1992-04-29 1994-11-15 Union Oil Company Of California Method to treat geothermal fluid streams
EP0667181B1 (en) * 1994-02-15 2000-11-02 Tokyo Gas Co., Ltd. Method and catalyst for the purification of NOx-containing exhaust gases
DE19728701A1 (de) * 1997-07-04 1999-01-07 Metallgesellschaft Ag Verfahren zur Herstellung feinkörniger Katalysatoren aus natürlich vorkommendem Zeolith
US6347627B1 (en) 1998-04-23 2002-02-19 Pioneer Inventions, Inc. Nitrous oxide based oxygen supply system
DE10112444A1 (de) * 2001-03-13 2002-10-02 Krupp Uhde Gmbh Verfahren zur Verringerung des Gehalts von N¶2¶O und NO¶x¶ in Gasen
US7390471B2 (en) * 2005-11-17 2008-06-24 Siemens Power Generation, Inc. Apparatus and method for catalytic treatment of exhaust gases
AR065501A1 (es) 2007-02-27 2009-06-10 Basf Catalysts Llc Catalizadores de zeolita cha de cobre
US7998423B2 (en) * 2007-02-27 2011-08-16 Basf Corporation SCR on low thermal mass filter substrates
MY180938A (en) * 2007-04-26 2020-12-13 Johnson Matthey Plc Transition metal/zeolite scr catalysts
US20090196812A1 (en) 2008-01-31 2009-08-06 Basf Catalysts Llc Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure
GB2464478A (en) † 2008-10-15 2010-04-21 Johnson Matthey Plc Aluminosilicate zeolite catalyst and use thereof in exhaust gas after-treatment
US10583424B2 (en) * 2008-11-06 2020-03-10 Basf Corporation Chabazite zeolite catalysts having low silica to alumina ratios
RU2597090C2 (ru) * 2011-05-31 2016-09-10 Джонсон Мэтти Паблик Лимитед Компани Каталитический фильтр с двойной функцией
WO2013155244A1 (en) * 2012-04-11 2013-10-17 Johnson Matthey Public Limited Company Zeolite catalyst containing metals
WO2014144954A1 (en) * 2013-03-15 2014-09-18 Three D Stack, LLC Cleaning stack gas
JP6546919B2 (ja) * 2013-12-03 2019-07-17 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ Ｃｕ−ｃｈａ含有ｓｃｒ触媒
US10807082B2 (en) * 2014-10-13 2020-10-20 Johnson Matthey Public Limited Company Zeolite catalyst containing metals
EP3812034A1 (en) 2019-10-24 2021-04-28 Dinex A/S Durable copper-scr catalyst
EP4496654A1 (en) 2022-03-23 2025-01-29 Umicore AG & Co. KG Scr zeolite catalysts for improved nox reduction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596425A (OSRAM) * 1968-12-27 1970-06-15
US3895094A (en) * 1974-01-28 1975-07-15 Gulf Oil Corp Process for selective reduction of oxides of nitrogen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6086380U (ja) * 1983-11-18 1985-06-14 株式会社タカラ ゲ−ム玩具

Also Published As

Publication number Publication date
JPS51147470A (en) 1976-12-17
US4046888A (en) 1977-09-06

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