JPS5523086B2 - - Google Patents

Info

Publication number
JPS5523086B2
JPS5523086B2 JP3484573A JP3484573A JPS5523086B2 JP S5523086 B2 JPS5523086 B2 JP S5523086B2 JP 3484573 A JP3484573 A JP 3484573A JP 3484573 A JP3484573 A JP 3484573A JP S5523086 B2 JPS5523086 B2 JP S5523086B2
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
JP3484573A
Other languages
Japanese (ja)
Other versions
JPS49122473A (en:Method
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 DE2414333A priority patent/DE2414333C3/de
Priority to IT67946/74A priority patent/IT1024532B/it
Priority to GB1312074A priority patent/GB1466789A/en
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 (en:Method)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (en:Method) 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 (en:Method) 1973-03-26 1974-03-22
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
GB1312074A GB1466789A (en) 1973-03-26 1974-03-25 Catalytic removal of oxides of nitrogen from waste gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3484573A JPS5523086B2 (en:Method) 1973-03-26 1973-03-26

Publications (2)

Publication Number Publication Date
JPS49122473A JPS49122473A (en:Method) 1974-11-22
JPS5523086B2 true JPS5523086B2 (en:Method) 1980-06-20

Family

ID=12425513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3484573A Expired JPS5523086B2 (en:Method) 1973-03-26 1973-03-26

Country Status (6)

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

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS545388B2 (en:Method) * 1973-04-10 1979-03-16
JPS503991A (en:Method) * 1973-04-18 1975-01-16
JPS542912B2 (en:Method) * 1973-09-10 1979-02-15
JPS5427839B2 (en:Method) * 1973-09-10 1979-09-12
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
JPS6243736B2 (en:Method) * 1974-03-29 1987-09-16 Mitsubishi Yuka Kk
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
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
JPS5246558B2 (en:Method) * 1975-02-17 1977-11-25
JPS5621469B2 (en:Method) * 1975-02-25 1981-05-19
JPS585703B2 (ja) * 1975-05-19 1983-02-01 株式会社日本触媒 チツソサンカブツジヨキヨヨウシヨクバイ
JPS5823136B2 (ja) * 1975-07-23 1983-05-13 三井化学株式会社 排ガス中の窒素酸化物の除去方法
JPS6052856B2 (ja) * 1975-09-05 1985-11-21 株式会社神戸製鋼所 固定燃焼装置よりの排ガス中に含まれる窒素酸化物の除去法
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
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
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
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
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
JPS52147587A (en) * 1976-06-02 1977-12-08 Ishikawajima Harima Heavy Ind Co Ltd No# removal catalyst
US4186109A (en) * 1976-09-30 1980-01-29 Mitsubishi Jukogyo Kabushiki Kaisha Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases
JPS5456072A (en) * 1977-10-13 1979-05-04 Kawasaki Heavy Ind Ltd Denitrating method for exhaust combustion gas
US4229374A (en) * 1977-10-17 1980-10-21 Shell Oil Company Amine process using Cu-Sn-Na catalyst
US4234461A (en) * 1978-03-30 1980-11-18 Standard Oil Company (Ohio) Oxidation catalysts
US4293443A (en) * 1978-03-30 1981-10-06 Standard Oil Company 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
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
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
US6171566B1 (en) 1997-07-10 2001-01-09 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)
CN101500693A (zh) * 2006-08-15 2009-08-05 出光兴产株式会社 一氧化二氮的分解方法
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
BR112012028302A2 (pt) 2010-05-05 2016-11-01 Basf Corp "artigo catalítico, métodos para fazer um filtro de fuligem catalisado e para tratar um fluxo de gás de escape de um motor diesel, e, sistema de tratamento de gás de escape".
US9757718B2 (en) 2014-05-09 2017-09-12 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
BR112017010317B1 (pt) 2014-11-19 2022-06-28 Johnson Matthey Public Limited Company Artigo catalisador, e, revestimento reativo catalítico
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
RU2709434C2 (ru) 2015-06-18 2019-12-17 Джонсон Мэтти Паблик Лимитед Компани Зонированная система выпуска отработавших газов
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
GB2541500B (en) 2015-06-18 2019-06-26 Johnson Matthey Plc NH3 overdosing-tolerant SCR catalyst
WO2016205509A1 (en) 2015-06-18 2016-12-22 Johnson Matthey Public Limited Company Ammonia slip catalyst with low n2o formation
EP3310477A1 (en) 2015-06-18 2018-04-25 Johnson Matthey Public Limited Company Single or dual layer ammonia slip catalyst
US10201807B2 (en) 2015-06-18 2019-02-12 Johnson Matthey Public Limited Company Ammonia slip catalyst designed to be first in an SCR system
WO2017055810A1 (en) 2015-09-29 2017-04-06 Johnson Matthey Public Limited Company Catalytic filter having a soot catalyst and an scr catalyst
WO2017055857A1 (en) 2015-09-29 2017-04-06 Nunn, Andrew Dominic Zoned ammonia slip catalyst for use in combustion turbines
DE102017122001A1 (de) 2016-09-22 2018-03-22 Johnson Matthey Public Limited Company Ruthenium, geträgert auf trägern, die eine rutilphase aufweisen, als stabile katalysatoren für nh3-slip-anwendungen
BR112019008207A2 (pt) 2016-10-24 2019-07-09 Basf Corp sistemas de tratamento de gases de exaustão, método para o tratamento de uma corrente de exaustão e artigo catalítico
GB2556453A (en) 2016-10-26 2018-05-30 Johnson Matthey Plc Hydrocarbon injection through small pore CU-zeolite catalyst
GB2562160B (en) 2017-03-20 2021-06-23 Johnson Matthey Plc Catalytic wall-flow filter with an ammonia slip catalyst
GB2562161A (en) 2017-03-20 2018-11-07 Johnson Matthey Plc Rear on-wall design SCRF
WO2019042911A1 (en) 2017-08-29 2019-03-07 Rhodia Operations USE OF A MIXED OXIDE TO ABSORB NOX
US11268420B2 (en) 2018-02-19 2022-03-08 Basf Corporation Exhaust gas treatment system with upstream SCR catalyst
US11779913B2 (en) 2018-03-14 2023-10-10 Johnson Matthey Public Limited Company Ammonia slip catalyst with in-situ PT fixing
EP3841063A4 (en) 2018-08-24 2022-06-01 Rhodia Operations ALUMINOTITANOSILICATE MICROPOROUS CRYSTALLINE ZEOLITE, METHOD FOR PREPARATION AND APPLICATIONS
JP2023506375A (ja) 2019-12-10 2023-02-16 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー 選択性、活性及び耐毒性を改善するための区分化アンモニアスリップ触媒
WO2021126935A1 (en) 2019-12-19 2021-06-24 Basf Corporation Exhaust treatment system for ammonia-fueled vehicles
CN115023285A (zh) 2020-03-31 2022-09-06 庄信万丰股份有限公司 具有原位Pt固定的氨漏失催化剂
WO2022167431A1 (en) 2021-02-02 2022-08-11 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
WO2024133298A1 (en) 2022-12-21 2024-06-27 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
WO2024246488A1 (en) 2023-06-01 2024-12-05 Johnson Matthey Public Limited Company System for treating an exhaust gas
US20250146433A1 (en) 2023-11-06 2025-05-08 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

Family Cites Families (15)

* 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
US3249558A (en) * 1962-08-31 1966-05-03 Exxon Research Engineering Co Method for the preparation of vanadium catalysts
US3279884A (en) * 1963-10-31 1966-10-18 Basf Ag Selective removal of oxides of nitrogen from gas mixtures containing oxygen
US3476508A (en) * 1965-10-27 1969-11-04 Exxon Research Engineering Co Catalytic purification treatment of exhaust gas
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
US3513109A (en) * 1967-04-19 1970-05-19 Du Pont Process for applying catalytic coatings
DE1135429B (de) * 1969-06-16 1962-08-30 Engelhard Ind Inc Verfahren zur Reinigung von Abgasen, die Oxyde des Stickstoffs und Sauerstoff enthalten
GB1390182A (en) * 1971-03-16 1975-04-09 Johnson Matthey Co Ltd Catalysis
JPS5432753B2 (en:Method) * 1971-11-22 1979-10-16
JPS48101975A (en:Method) * 1972-04-05 1973-12-21
GB1438120A (en) * 1972-09-01 1976-06-03 Exxon Research Engineering Co Removal of nitrogen oxides from flue gas
CA1002732A (en) * 1972-12-27 1977-01-04 Neville L. Cull Removal of nitrogen oxides using coated catalyst
NL7805366A (nl) * 1978-05-18 1979-11-20 Philips Nv Gereedschap voor de hantering en vormgeving van glas.

Also Published As

Publication number Publication date
GB1466789A (en) 1977-03-09
US4010238A (en) 1977-03-01
FR2223072B1 (en:Method) 1978-01-06
DE2414333B2 (de) 1980-11-13
DE2414333A1 (de) 1974-10-03
IT1024532B (it) 1978-07-20
FR2223072A1 (en:Method) 1974-10-25
JPS49122473A (en:Method) 1974-11-22
DE2414333C3 (de) 1981-09-10

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