JPS49122473A - - Google Patents

Info

Publication number
JPS49122473A
JPS49122473A JP48034845A JP3484573A JPS49122473A JP S49122473 A JPS49122473 A JP S49122473A JP 48034845 A JP48034845 A JP 48034845A JP 3484573 A JP3484573 A JP 3484573A JP S49122473 A JPS49122473 A JP S49122473A
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.)
Granted
Application number
JP48034845A
Other languages
Japanese (ja)
Other versions
JPS5523086B2 (enExample
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 JP3484573A priority Critical patent/JPS5523086B2/ja
Priority to US05/452,659 priority patent/US4010238A/en
Priority to FR7409945A priority patent/FR2223072B1/fr
Priority to GB1312074A priority patent/GB1466789A/en
Priority to DE2414333A priority patent/DE2414333C3/de
Priority to IT67946/74A priority patent/IT1024532B/it
Publication of JPS49122473A publication Critical patent/JPS49122473A/ja
Publication of JPS5523086B2 publication Critical patent/JPS5523086B2/ja
Expired legal-status Critical Current

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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/847—Vanadium, niobium or tantalum or polonium
    • B01J23/8472—Vanadium
    • 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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/26—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—Nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20784—Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/209—Other metals
    • B01D2255/2094—Tin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
JP3484573A 1973-03-26 1973-03-26 Expired JPS5523086B2 (enExample)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (enExample) 1973-03-26 1973-03-26
US05/452,659 US4010238A (en) 1973-03-26 1974-03-19 Proces for selective removal of nitrogen oxides from waste gases
FR7409945A FR2223072B1 (enExample) 1973-03-26 1974-03-22
GB1312074A GB1466789A (en) 1973-03-26 1974-03-25 Catalytic removal of oxides of nitrogen from waste gases
DE2414333A DE2414333C3 (de) 1973-03-26 1974-03-25 Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen
IT67946/74A IT1024532B (it) 1973-03-26 1974-03-25 Prodedimento per l eliminazione se lettiva di ossidi di azoto da gas di scarico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (enExample) 1973-03-26 1973-03-26

Publications (2)

Publication Number Publication Date
JPS49122473A true JPS49122473A (enExample) 1974-11-22
JPS5523086B2 JPS5523086B2 (enExample) 1980-06-20

Family

ID=12425513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3484573A Expired JPS5523086B2 (enExample) 1973-03-26 1973-03-26

Country Status (6)

Country Link
US (1) US4010238A (enExample)
JP (1) JPS5523086B2 (enExample)
DE (1) DE2414333C3 (enExample)
FR (1) FR2223072B1 (enExample)
GB (1) GB1466789A (enExample)
IT (1) IT1024532B (enExample)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126561A (enExample) * 1973-04-10 1974-12-04
JPS503991A (enExample) * 1973-04-18 1975-01-16
JPS5051965A (enExample) * 1973-09-10 1975-05-09
JPS5051966A (enExample) * 1973-09-10 1975-05-09
JPS50128680A (enExample) * 1974-03-29 1975-10-09
JPS5132479A (en) * 1974-09-13 1976-03-19 Asahi Glass Co Ltd Chitsusosankabutsu no shorihoho
JPS5181776A (ja) * 1975-01-13 1976-07-17 Mitsubishi Chem Ind Nenshohaigasunodatsushohoho
JPS5193792A (enExample) * 1975-02-17 1976-08-17
JPS5197590A (enExample) * 1975-02-25 1976-08-27
JPS51134395A (en) * 1975-05-19 1976-11-20 Nippon Shokubai Kagaku Kogyo Co Ltd Catalysts for removing nitrogen oxides
JPS5213472A (en) * 1975-07-23 1977-02-01 Mitsui Petrochem Ind Ltd Process for removal of nitrogen oxides in exhaust gases
JPS5231971A (en) * 1975-09-05 1977-03-10 Kobe Steel Ltd Removing method of nitrogen oxide from fixed burning eqipment
JPS5231969A (en) * 1975-09-05 1977-03-10 Kobe Steel Ltd Removing method of nitrogen oxide contained in waste gas from fixed bu rning eqipment
JPS52147587A (en) * 1976-06-02 1977-12-08 Ishikawajima Harima Heavy Ind Co Ltd No# removal catalyst
JPS5456072A (en) * 1977-10-13 1979-05-04 Kawasaki Heavy Ind Ltd Denitrating method for exhaust combustion gas
JPS57133339A (en) * 1981-02-10 1982-08-18 Shimadzu Corp Infrared rays system so2 analyzer
JPS58128127A (ja) * 1982-09-22 1983-07-30 Mitsubishi Kakoki Kaisha Ltd 排ガスから窒素酸化物を除去する方法

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430730A (en) * 1973-09-10 1976-04-07 Mitsubishi Chem Ind Reductive decomposition of oxides of nitrogen
US4170572A (en) * 1973-10-18 1979-10-09 Union Carbide Corporation Oxidation catalyst prepared with NH3
US4085193A (en) * 1973-12-12 1978-04-18 Mitsubishi Petrochemical Co. Ltd. Catalytic process for reducing nitrogen oxides to nitrogen
US4056600A (en) * 1974-06-03 1977-11-01 Gennady Alexeevich Skvortsov Method of selective catalytic purification of waste gases from nitrogen oxides
US4131643A (en) * 1975-09-05 1978-12-26 Kobe Steel Limited Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst
FR2327814A1 (fr) * 1975-10-15 1977-05-13 Hitachi Ltd Procede pour traiter par catalyse un gaz d'echappement renfermant de l'ammoniac gazeux et de l'oxygene gazeux.
US4096184A (en) * 1976-01-19 1978-06-20 Sumitomo Chemical Company, Limited Process for preparing acid amides
US4140654A (en) * 1976-04-16 1979-02-20 Mitsui Petrochemical Industries Ltd. Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides
US4188365A (en) * 1976-04-16 1980-02-12 Mitsui Petrochemical Industries, Ltd. Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor
US4186109A (en) * 1976-09-30 1980-01-29 Mitsubishi Jukogyo Kabushiki Kaisha Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
US4229374A (en) * 1977-10-17 1980-10-21 Shell Oil Company Amine process using Cu-Sn-Na catalyst
US4293443A (en) * 1978-03-30 1981-10-06 Standard Oil Company Oxidation catalysts
US4234461A (en) * 1978-03-30 1980-11-18 Standard Oil Company (Ohio) Oxidation catalysts
US4225465A (en) * 1978-05-02 1980-09-30 Standard Oil Company (Ohio) Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by hydrothermal techniques
IT1193930B (it) * 1980-04-02 1988-08-31 Alusuisse Italia Spa Catalizzatore per la fabbricazione di anidride ftalica
DE3643605C1 (de) * 1986-12-19 1988-07-14 Otto Feuerfest Gmbh Traegerkatalysator,Verfahren zu seiner Herstellung und seine Verwendung zur Reduktion von Stickoxiden
US4975256A (en) * 1988-06-09 1990-12-04 W. R. Grace & Co.-Conn. Process using catalysts for selective catalytic reduction denox technology
US4929586A (en) * 1988-06-09 1990-05-29 W. R. Grace & Co.-Conn. Catalysts for selective catalytic reduction DeNOx technology
US4962075A (en) * 1988-12-05 1990-10-09 Mobil Oil Corp. Zeolitic copper catalyst
FR2642987A1 (fr) * 1989-02-10 1990-08-17 Centre Nat Rech Scient Reduction catalytique de composes azotes
SU1822529A3 (ru) * 1991-06-17 1995-02-27 Институт катализа СО РАН Катализатор для очистки отходящих промышленных газов по реакции клауса
WO1999002258A1 (en) 1997-07-10 1999-01-21 Sk Corporation Selective catalytic reduction for the removal of nitrogen oxides and catalyst body thereof
JP3643676B2 (ja) * 1997-07-16 2005-04-27 三菱重工業株式会社 ボイラ排ガスの油田への圧入方法
RU2179954C1 (ru) * 2000-06-22 2002-02-27 Стремилова Нина Николаевна Композиция для очистки природных и сточных вод и способ получения композиции для очистки природных и сточных вод (варианты)
JPWO2008020535A1 (ja) * 2006-08-15 2010-01-07 出光興産株式会社 亜酸化窒素の分解方法
MX2009008206A (es) * 2007-01-31 2009-08-28 Basf Catalysts Llc Catalizadores de gas que comprenden panales de pared porosa.
US8524185B2 (en) 2008-11-03 2013-09-03 Basf Corporation Integrated SCR and AMOx catalyst systems
US8293182B2 (en) 2010-05-05 2012-10-23 Basf Corporation Integrated SCR and AMOx catalyst systems
CA2798326C (en) 2010-05-05 2014-11-04 Basf Corporation Catalyzed soot filter and emissions treatment systems and methods
EP3140038A1 (en) 2014-05-09 2017-03-15 Johnson Matthey Public Limited Company Ammonia slip catalyst having platinum impregnated on high porosity substrates
DE102015209987A1 (de) 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
EP3164211A1 (en) 2014-07-02 2017-05-10 Johnson Matthey Public Limited Company Perovskite with an ovlerlayer scr component as an ammonia oxidation catalyst and a system for exhaust emission control on diesel engines
EP3221032B1 (en) 2014-11-19 2020-09-09 Johnson Matthey Public Limited Company Combining scr with pna for low temperature emission control
JP5869169B1 (ja) * 2015-06-01 2016-02-24 公立大学法人大阪府立大学 酸素発生反応用ペロブスカイト酸化物触媒
CN107847924B (zh) 2015-06-18 2021-04-06 庄信万丰股份有限公司 具有低n2o形成的氨泄漏催化剂
JP6867956B2 (ja) 2015-06-18 2021-05-12 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 ゾーン化排気システム
KR20180020215A (ko) 2015-06-18 2018-02-27 존슨 맛쎄이 퍼블릭 리미티드 컴파니 단일 또는 이중 층 암모니아 슬립 촉매
US9937489B2 (en) 2015-06-18 2018-04-10 Johnson Matthey Public Limited Company Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC
US10201807B2 (en) 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
US9878287B2 (en) 2015-06-18 2018-01-30 Johnson Matthey Public Limited Company NH3 overdosing-tolerant SCR catalyst
DK3356659T3 (da) 2015-09-29 2020-08-17 Johnson Matthey Plc Zoneopdelt ammonia-slip-katalysator til anvendelse i forbrændingsturbiner
JP6755306B2 (ja) 2015-09-29 2020-09-16 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 すす触媒とｓｃｒ触媒を有する触媒フィルタ
US20180078926A1 (en) 2016-09-22 2018-03-22 Johnson Matthey Public Limited Company Ruthenium supported on supports having a rutile phase as stable catalysts for nh3-slip applications
CA3041422A1 (en) 2016-10-24 2018-05-03 Basf Corporation Integrated scr catalyst and lnt for nox abatement
GB2556453A (en) 2016-10-26 2018-05-30 Johnson Matthey Plc Hydrocarbon injection through small pore CU-zeolite catalyst
GB2562161A (en) 2017-03-20 2018-11-07 Johnson Matthey Plc Rear on-wall design SCRF
GB2562160B (en) 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
WO2019042911A1 (en) 2017-08-29 2019-03-07 Rhodia Operations USE OF A MIXED OXIDE TO ABSORB NOX
JP7584727B2 (ja) 2018-02-19 2024-11-18 ビーエーエスエフ モバイル エミッションズ カタリスツ エルエルシー 上流ｓｃｒ触媒を有する排気ガス処理システム
BR112020017976A2 (pt) 2018-03-14 2020-12-22 Johnson Matthey Public Limited Company Artigo catalítico, sistema de exaustão, método para melhorar a conversão de nh3 de um gás de exaustão, e, método para tratamento de gás de exaustão
EP3841063A4 (en) 2018-08-24 2022-06-01 Rhodia Operations ALUMINOTITANOSILICATE MICROPOROUS CRYSTALLINE ZEOLITE, METHOD FOR PREPARATION AND APPLICATIONS
WO2021116683A1 (en) 2019-12-10 2021-06-17 Johnson Matthey Public Limited Company Zoned ammonia slip catalyst for improved selectivity, activity and poison tolerance
WO2021126935A1 (en) 2019-12-19 2021-06-24 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
BR112022014342A2 (pt) 2020-03-31 2022-09-13 Johnson Matthey Plc Artigo catalítico, e, sistema de exaustão
EP4288186A1 (en) 2021-02-02 2023-12-13 BASF Corporation Exhaust gas treatment system for reducing ammonia emissions from mobile gasoline applications
EP4511157A1 (en) 2022-06-17 2025-02-26 BASF Mobile Emissions Catalysts LLC Exhaust treatment system for ammonia-fueled vehicles
EP4378566A1 (en) 2022-11-29 2024-06-05 Johnson Matthey Public Limited Company Improved catalytic wall-flow filter
EP4637974A1 (en) 2022-12-21 2025-10-29 BASF Corporation Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications
WO2024161111A1 (en) 2023-01-30 2024-08-08 Johnson Matthey Public Limited Company System comprising h2-internal combustion engine and exhaust system therefor
CN121100220A (zh) 2023-06-01 2025-12-09 庄信万丰股份有限公司 用于处理废气的系统
WO2025099410A1 (en) 2023-11-06 2025-05-15 Johnson Matthey Public Limited Company Catalytic partial wall-flow filter
WO2025114689A1 (en) 2023-11-28 2025-06-05 Johnson Matthey Public Limited Company Dual-filter exhaust gas treatment system
WO2025120310A1 (en) 2023-12-05 2025-06-12 Johnson Matthey Public Limited Company High transition metal loading for ammonia slip catalyst
WO2025125817A1 (en) 2023-12-15 2025-06-19 Johnson Matthey Public Limited Company Ammonia slip catalyst

Citations (11)

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Publication number Priority date Publication date Assignee Title
GB662460A (en) * 1949-02-17 1951-12-05 Dirk Willem Van Krevelen Process for the removal of carbon monoxide from a gas mixture containing carbon monoxide and nitric oxide
US3008796A (en) * 1958-06-05 1961-11-14 Engelhard Ind Inc Method of purifying gases containing oxygen and oxides of nitrogen
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
FR1504331A (fr) * 1966-11-29 1967-12-01 Hamburger Gaswerke Gmbh Procédé pour l'élimination d'oxydes d'azote à partir de tous les gaz
US3449063A (en) * 1966-05-13 1969-06-10 Ethyl Corp Method of controlling exhaust emission
US3615166A (en) * 1969-06-16 1971-10-26 Engelhard Min & Chem Catalysts for purification of waste gases containing oxides of nitrogen
JPS4857882A (enExample) * 1971-11-22 1973-08-14
JPS48101975A (enExample) * 1972-04-05 1973-12-21
JPS4975464A (enExample) * 1972-09-01 1974-07-22
JPS4997794A (enExample) * 1972-12-27 1974-09-17
JPS5523086A (en) * 1978-05-18 1980-02-19 Philips Nv Tool for treating and molding glass

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US3249558A (en) * 1962-08-31 1966-05-03 Exxon Research Engineering Co Method for the preparation of vanadium catalysts
US3476508A (en) * 1965-10-27 1969-11-04 Exxon Research Engineering Co Catalytic purification treatment of exhaust gas
US3513109A (en) * 1967-04-19 1970-05-19 Du Pont Process for applying catalytic coatings
GB1390182A (en) * 1971-03-16 1975-04-09 Johnson Matthey Co Ltd Catalysis

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662460A (en) * 1949-02-17 1951-12-05 Dirk Willem Van Krevelen Process for the removal of carbon monoxide from a gas mixture containing carbon monoxide and nitric oxide
US3008796A (en) * 1958-06-05 1961-11-14 Engelhard Ind Inc Method of purifying gases containing oxygen and oxides of nitrogen
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
US3449063A (en) * 1966-05-13 1969-06-10 Ethyl Corp Method of controlling exhaust emission
FR1504331A (fr) * 1966-11-29 1967-12-01 Hamburger Gaswerke Gmbh Procédé pour l'élimination d'oxydes d'azote à partir de tous les gaz
US3615166A (en) * 1969-06-16 1971-10-26 Engelhard Min & Chem Catalysts for purification of waste gases containing oxides of nitrogen
JPS4857882A (enExample) * 1971-11-22 1973-08-14
JPS48101975A (enExample) * 1972-04-05 1973-12-21
JPS4975464A (enExample) * 1972-09-01 1974-07-22
JPS4997794A (enExample) * 1972-12-27 1974-09-17
JPS5523086A (en) * 1978-05-18 1980-02-19 Philips Nv Tool for treating and molding glass

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49126561A (enExample) * 1973-04-10 1974-12-04
JPS503991A (enExample) * 1973-04-18 1975-01-16
JPS5051965A (enExample) * 1973-09-10 1975-05-09
JPS5051966A (enExample) * 1973-09-10 1975-05-09
JPS50128680A (enExample) * 1974-03-29 1975-10-09
JPS5132479A (en) * 1974-09-13 1976-03-19 Asahi Glass Co Ltd Chitsusosankabutsu no shorihoho
JPS5181776A (ja) * 1975-01-13 1976-07-17 Mitsubishi Chem Ind Nenshohaigasunodatsushohoho
JPS5193792A (enExample) * 1975-02-17 1976-08-17
JPS5197590A (enExample) * 1975-02-25 1976-08-27
JPS51134395A (en) * 1975-05-19 1976-11-20 Nippon Shokubai Kagaku Kogyo Co Ltd Catalysts for removing nitrogen oxides
JPS5213472A (en) * 1975-07-23 1977-02-01 Mitsui Petrochem Ind Ltd Process for removal of nitrogen oxides in exhaust gases
JPS5231971A (en) * 1975-09-05 1977-03-10 Kobe Steel Ltd Removing method of nitrogen oxide from fixed burning eqipment
JPS5231969A (en) * 1975-09-05 1977-03-10 Kobe Steel Ltd Removing method of nitrogen oxide contained in waste gas from fixed bu rning eqipment
JPS52147587A (en) * 1976-06-02 1977-12-08 Ishikawajima Harima Heavy Ind Co Ltd No# removal catalyst
JPS5456072A (en) * 1977-10-13 1979-05-04 Kawasaki Heavy Ind Ltd Denitrating method for exhaust combustion gas
JPS57133339A (en) * 1981-02-10 1982-08-18 Shimadzu Corp Infrared rays system so2 analyzer
JPS58128127A (ja) * 1982-09-22 1983-07-30 Mitsubishi Kakoki Kaisha Ltd 排ガスから窒素酸化物を除去する方法

Also Published As

Publication number Publication date
DE2414333B2 (de) 1980-11-13
FR2223072B1 (enExample) 1978-01-06
JPS5523086B2 (enExample) 1980-06-20
US4010238A (en) 1977-03-01
DE2414333A1 (de) 1974-10-03
GB1466789A (en) 1977-03-09
FR2223072A1 (enExample) 1974-10-25
IT1024532B (it) 1978-07-20
DE2414333C3 (de) 1981-09-10

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