IT956364B - Procedimento di decomposizione di ossido di azoto - Google Patents

Procedimento di decomposizione di ossido di azoto

Info

Publication number
IT956364B
IT956364B IT25411/72A IT2541172A IT956364B IT 956364 B IT956364 B IT 956364B IT 25411/72 A IT25411/72 A IT 25411/72A IT 2541172 A IT2541172 A IT 2541172A IT 956364 B IT956364 B IT 956364B
Authority
IT
Italy
Prior art keywords
decomposition
procedure
nitrogen oxide
nitrogen
oxide
Prior art date
Application number
IT25411/72A
Other languages
English (en)
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of IT956364B publication Critical patent/IT956364B/it

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
    • B01D53/32—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 electrical effects other than those provided for in group B01D61/00
    • 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
    • B01D53/92—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
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0892—Electric or magnetic treatment, e.g. dissociation of noxious components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2846—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for granular supports, e.g. pellets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/04—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric, e.g. electrostatic, device other than a heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/28—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a plasma reactor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
    • F01N2370/04—Zeolitic material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of exhaust gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
IT25411/72A 1971-06-09 1972-06-08 Procedimento di decomposizione di ossido di azoto IT956364B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/151,396 US3983021A (en) 1971-06-09 1971-06-09 Nitrogen oxide decomposition process

Publications (1)

Publication Number Publication Date
IT956364B true IT956364B (it) 1973-10-10

Family

ID=22538577

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25411/72A IT956364B (it) 1971-06-09 1972-06-08 Procedimento di decomposizione di ossido di azoto

Country Status (4)

Country Link
US (1) US3983021A (it)
DE (1) DE2227949A1 (it)
FR (1) FR2140584B3 (it)
IT (1) IT956364B (it)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940052B2 (ja) 1980-06-16 1984-09-27 株式会社荏原製作所 電子ビ−ム多段照射式排ガス脱硫脱硝法および装置
US4451436A (en) * 1983-02-01 1984-05-29 Hare Louis R O Nitrogen fixation by plasma and catalyst
US4795617A (en) * 1984-01-16 1989-01-03 Hare Louis R O Electroluminescent chemical activation system
DE3414121A1 (de) * 1984-04-14 1985-10-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und vorrichtung zur reinigung von abgasen
DE3521462C2 (de) * 1985-06-14 1993-10-21 Guenter J Britz Verfahren zur Beseitigung von Schadstoffen im Abgas von Verbrennungskraftmaschinen
ES2032881T3 (es) * 1988-02-08 1993-03-01 Thomas Josef Heimbach Gmbh & Co. Filtro de hollin.
JPH038412A (ja) * 1989-06-07 1991-01-16 Sachiko Okazaki 放電法による排気ガスのＮＯｘ除去方法
JP2909553B2 (ja) * 1989-10-18 1999-06-23 トヨタ自動車株式会社 排気ガス浄化用触媒及び排気ガスの浄化方法
JPH0461917A (ja) * 1990-06-25 1992-02-27 Mitsubishi Heavy Ind Ltd 排ガス処理装置
US5458748A (en) * 1990-07-19 1995-10-17 Thermo Power Corporation Coronal-catalytic apparatus and method for NOx reduction
US5240575A (en) * 1990-07-19 1993-08-31 Tecogen Inc. NOx reduction by sulfur tolerant coronal-catalytic apparatus and method
US5637198A (en) * 1990-07-19 1997-06-10 Thermo Power Corporation Volatile organic compound and chlorinated volatile organic compound reduction methods and high efficiency apparatus
US5147516A (en) * 1990-07-19 1992-09-15 Tecogen, Inc. NOx reduction by sulfur tolerant coronal-catalytic apparatus and method
US5246554A (en) * 1991-03-18 1993-09-21 Cha Chang Y Process for selected gas oxide removal by radiofrequency catalysts
US5362451A (en) * 1991-03-18 1994-11-08 Cha Chang Y Process and reactor for char-gas oxide reactions by radiofrequency catalysis
US5284556A (en) * 1991-05-01 1994-02-08 Plasmachines, Inc. Exhaust treatment system and method
GB9218207D0 (en) * 1992-08-27 1992-10-14 Atomic Energy Authority Uk The purification of internal combustion engine exhaust emissions
JPH0822367B2 (ja) * 1992-11-27 1996-03-06 富士通株式会社 ガス浄化装置
DE4416676C2 (de) * 1994-05-11 2002-11-07 Siemens Ag Vorrichtung zur Entgiftung von Abgasen aus mobilen Anlagen
US5806305A (en) 1994-05-18 1998-09-15 Lockheed Martin Corporation Method and apparatus for reducing pollutants
DE19510804A1 (de) * 1995-03-24 1996-09-26 Dornier Gmbh Verfahren und Vorrichtung zur Stickoxidminderung in Abgasen von Verbrennungsmaschinen
US5609736A (en) * 1995-09-26 1997-03-11 Research Triangle Institute Methods and apparatus for controlling toxic compounds using catalysis-assisted non-thermal plasma
IT1280969B1 (it) * 1995-10-13 1998-02-11 Coral Spa Dispositivo di depurazione dei gas di scarico di un motore a combustione interna
US5863413A (en) 1996-06-28 1999-01-26 Litex, Inc. Method for using hydroxyl radical to reduce pollutants in the exhaust gases from the combustion of a fuel
US6321531B1 (en) 1996-12-18 2001-11-27 Litex, Inc. Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel
US6047543A (en) 1996-12-18 2000-04-11 Litex, Inc. Method and apparatus for enhancing the rate and efficiency of gas phase reactions
US6029442A (en) 1996-12-18 2000-02-29 Litex, Inc. Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of fuel
FR2763933B1 (fr) * 1997-06-02 1999-08-20 Rhodia Chimie Sa Procede de preparation de zircons par traitement hydrothermique et zircons ainsi obtenus
GB9715409D0 (en) * 1997-07-23 1997-09-24 Aea Technology Plc Gas purification
PT1017477E (pt) * 1997-09-09 2001-11-30 Accentus Plc Tratamento de emissoes gasosas
GB9718968D0 (en) * 1997-09-09 1997-11-12 Aea Technology Plc Substrate media for plasma gas processing reactors
GB9726713D0 (en) * 1997-12-19 1998-02-18 Aea Technology Plc Gas purification
GB9719434D0 (en) * 1997-09-13 1997-11-12 Aea Technology Plc The processing of gaseous media
GB9722173D0 (en) * 1997-10-22 1997-12-17 Aea Technology Plc Plasma gas processing device
GB9801775D0 (en) * 1998-01-29 1998-03-25 Aea Technology Plc Gas purification
GB9805628D0 (en) * 1998-03-18 1998-05-13 Aea Technology Plc Gas processing reactors
DE19819372C2 (de) 1998-04-30 2000-03-02 Degussa Verfahren zur Verminderung des Stickoxidgehaltes der Abgase eines Verbrennungsmotors
US6027616A (en) * 1998-05-01 2000-02-22 Mse Technology Applications, Inc. Extraction of contaminants from a gas
GB2346528A (en) * 1999-01-21 2000-08-09 Aea Technology Plc Power supply for processing of gaseous media
EP1061119A1 (en) 1999-06-17 2000-12-20 Abb Research Ltd. Dielectric barrier discharge cracking
US6468490B1 (en) * 2000-06-29 2002-10-22 Applied Materials, Inc. Abatement of fluorine gas from effluent
US6689252B1 (en) 1999-07-28 2004-02-10 Applied Materials, Inc. Abatement of hazardous gases in effluent
DE19950083C2 (de) * 1999-10-18 2002-12-19 Hermsdorfer Inst Tech Keramik Vorrichtung zur Stabilisierung eines ferroelektrischen Plasmareaktors
GB9924999D0 (en) 1999-10-22 1999-12-22 Aea Technology Plc Reactor for the plasma treatment of gases
GB0015952D0 (en) 2000-06-30 2000-08-23 Aea Technology Plc Plasma assisted reactor
US6673323B1 (en) 2000-03-24 2004-01-06 Applied Materials, Inc. Treatment of hazardous gases in effluent
US6391146B1 (en) 2000-04-11 2002-05-21 Applied Materials, Inc. Erosion resistant gas energizer
BR0110020A (pt) * 2000-04-11 2003-02-11 Accentus Plc Material catalìtico, processos para manufaturar esse material e para processamento de gases de descarga e reator para processamento auxiliado por plasma dos gases de descarga provenientes de um motor de combustão interna
KR100365368B1 (ko) 2000-05-16 2002-12-18 한국기계연구원 저온 플라즈마에 의한 유해가스 처리방법
GB0020430D0 (en) * 2000-08-18 2000-10-04 Aea Technology Plc Plasma assisted gas reactors
KR100434940B1 (ko) * 2000-12-12 2004-06-10 한국기계연구원 저온 플라즈마 및 유전열을 이용하여 유해가스를 처리하기위한 촉매 반응기 및 그 처리방법
GB2370518A (en) * 2000-12-15 2002-07-03 Aea Technology Plc Plasma gas purification using a metal hydroxide
US6508991B2 (en) * 2001-03-16 2003-01-21 Global Environmental Concepts, Llc Emission control device and method
GB0110345D0 (en) * 2001-04-27 2001-06-20 Accentus Plc Reactor for trapping and oxidation of carbonaceous material
US6824748B2 (en) * 2001-06-01 2004-11-30 Applied Materials, Inc. Heated catalytic treatment of an effluent gas from a substrate fabrication process
US6808694B2 (en) * 2001-09-21 2004-10-26 Battelle Memorial Institute NOx reduction methods and apparatuses
US20030101936A1 (en) * 2001-12-04 2003-06-05 Dong Hoon Lee And Yong Moo Lee Plasma reaction apparatus
US20030226751A1 (en) * 2002-06-11 2003-12-11 Kasten Stephen P. Corona discharge ozone generator
AU2004249019A1 (en) * 2003-06-17 2004-12-29 Nittetsu Mining Co., Ltd. Gas processing method and gas processing apparatus utilizing oxidation catalyst and low-temperature plasma
US7569193B2 (en) 2003-12-19 2009-08-04 Applied Materials, Inc. Apparatus and method for controlled combustion of gaseous pollutants
US7377101B2 (en) * 2004-02-13 2008-05-27 Fleetguard, Inc. Plasma fuel converter NOx adsorber system for exhaust aftertreatment
GB0403797D0 (en) * 2004-02-20 2004-03-24 Boc Group Plc Gas abatement
US7736599B2 (en) 2004-11-12 2010-06-15 Applied Materials, Inc. Reactor design to reduce particle deposition during process abatement
US7468171B2 (en) * 2005-01-31 2008-12-23 Toyota Motor Corporation Process using microwave energy and a catalyst to decompose nitrogen oxides
EP1954926A2 (en) 2005-10-31 2008-08-13 Applied Materials, Inc. Process abatement reactor
US8097554B2 (en) * 2009-02-09 2012-01-17 Airflow Catalyst Systems, Inc. Apparatus for removing soot from diesel engine exhaust streams at temperatures at or below 150° C.
US20120124976A1 (en) * 2010-11-24 2012-05-24 Airflow Catalyst Systems, Inc. Apparatus for removing mixed nitrogen oxides, carbon monoxide, hydrocarbons and diesel particulate matter from diesel engine exhaust streams at temperatures at or below 280 degrees c
US12128354B2 (en) * 2018-04-28 2024-10-29 M & R Consulting Service, Inc. Electrochemical nitrogen generator system and method
US11439932B2 (en) 2019-01-11 2022-09-13 Lawrence Livermore National Security, Llc System and method for engineered ceramic packages for use in fluid treatment technologies
TWI801058B (zh) * 2021-12-23 2023-05-01 明遠精密科技股份有限公司 一種複合式電漿源及其運作方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316057A (en) * 1959-07-22 1967-04-25 Du Pont Method of treating exhaust gases of internal combustion engines
US3179488A (en) * 1961-12-13 1965-04-20 Koppers Co Inc Method of treating exhaust gases of internal combustion engines
US3524721A (en) * 1967-12-22 1970-08-18 Ethyl Corp Catalyst composition

Also Published As

Publication number Publication date
FR2140584A1 (it) 1973-01-19
FR2140584B3 (it) 1975-08-08
US3983021A (en) 1976-09-28
DE2227949A1 (de) 1973-01-04

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