DE2856863A1 - Verfahren zur entalkylierung von aromatischen kohlenwasserstoffen mit wasserdampf - Google Patents

Verfahren zur entalkylierung von aromatischen kohlenwasserstoffen mit wasserdampf

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Publication number
DE2856863A1
DE2856863A1 DE19782856863 DE2856863A DE2856863A1 DE 2856863 A1 DE2856863 A1 DE 2856863A1 DE 19782856863 DE19782856863 DE 19782856863 DE 2856863 A DE2856863 A DE 2856863A DE 2856863 A1 DE2856863 A1 DE 2856863A1
Authority
DE
Germany
Prior art keywords
catalyst
rhodium
hours
group
metal
Prior art date
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.)
Ceased
Application number
DE19782856863
Other languages
German (de)
English (en)
Inventor
Philippe Courty
Germain Martino
Jean-Francois Le Page
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of DE2856863A1 publication Critical patent/DE2856863A1/de
Ceased legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G59/00Treatment of naphtha by two or more reforming processes only or by at least one reforming process and at least one process which does not substantially change the boiling range of the naphtha
    • C10G59/02Treatment of naphtha by two or more reforming processes only or by at least one reforming process and at least one process which does not substantially change the boiling range of the naphtha plural serial stages only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46Ruthenium, rhodium, osmium or iridium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts 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
    • B01J23/56Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts 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
    • B01J23/8933Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8946Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali or alkaline earth metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0201Impregnation
    • B01J37/0207Pretreatment of the support
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
    • C07C4/14Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
    • C07C4/20Hydrogen being formed in situ, e.g. from steam
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04Alumina
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C07C2523/04Alkali metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/08Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of gallium, indium or thallium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/12Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of actinides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/14Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of germanium, tin or lead
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/20Vanadium, niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/20Vanadium, niobium or tantalum
    • C07C2523/22Vanadium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/24Chromium, molybdenum or tungsten
    • C07C2523/26Chromium
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
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    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/24Chromium, molybdenum or tungsten
    • C07C2523/28Molybdenum
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    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/24Chromium, molybdenum or tungsten
    • C07C2523/30Tungsten
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/32Manganese, technetium or rhenium
    • C07C2523/34Manganese
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    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • C07C2523/32Manganese, technetium or rhenium
    • C07C2523/36Rhenium
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42Platinum
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    • C07C2523/44Palladium
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    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/46Ruthenium, rhodium, osmium or iridium
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
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    • C07C2523/74Iron group metals
    • C07C2523/745Iron
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    • C07C2523/75Cobalt
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    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
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    • C07C2523/74Iron group metals
    • C07C2523/755Nickel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19782856863 1978-01-06 1978-12-30 Verfahren zur entalkylierung von aromatischen kohlenwasserstoffen mit wasserdampf Ceased DE2856863A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800335A FR2414034A1 (fr) 1978-01-06 1978-01-06 Procede de dealkylation, a la vapeur d'eau, d'hydrocarbures aromatiques

Publications (1)

Publication Number Publication Date
DE2856863A1 true DE2856863A1 (de) 1979-07-12

Family

ID=9203188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782856863 Ceased DE2856863A1 (de) 1978-01-06 1978-12-30 Verfahren zur entalkylierung von aromatischen kohlenwasserstoffen mit wasserdampf

Country Status (9)

Country Link
US (1) US4207169A (US20100268047A1-20101021-C00003.png)
JP (1) JPS5531061A (US20100268047A1-20101021-C00003.png)
BE (1) BE873180A (US20100268047A1-20101021-C00003.png)
DE (1) DE2856863A1 (US20100268047A1-20101021-C00003.png)
FR (1) FR2414034A1 (US20100268047A1-20101021-C00003.png)
GB (1) GB2011945B (US20100268047A1-20101021-C00003.png)
IT (1) IT1109943B (US20100268047A1-20101021-C00003.png)
NL (1) NL7900049A (US20100268047A1-20101021-C00003.png)
SU (1) SU888813A3 (US20100268047A1-20101021-C00003.png)

Families Citing this family (22)

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Publication number Priority date Publication date Assignee Title
FR2434131A1 (fr) * 1978-02-24 1980-03-21 Inst Francais Du Petrole Procede de desalkylation a la vapeur d'eau d'hydrocarbures aromatiques
US4977129A (en) * 1989-03-13 1990-12-11 W. R Grace & Co.-Conn. Auto exhaust catalyst composition having low H2 S emissions and method of making the catalyst
US5102853A (en) * 1989-11-22 1992-04-07 Ford Motor Company Three-way catalyst for automotive emission control
US5492880A (en) * 1991-06-24 1996-02-20 University Of Pittsburgh Of The Commonwealth System Of Higher Education Process for the inorganic chemical modification of rhodium alumina catalysts and automotive catalyst made by the process
US5714659A (en) * 1996-08-29 1998-02-03 Phillips Petroleum Company Catalyst composition and processes therefor and therewith
US5714660A (en) * 1996-08-29 1998-02-03 Phillips Petroleum Company Catalyst composition and processes therefor and therewith
US6780386B1 (en) * 1998-11-26 2004-08-24 Idemitsu Kosan Co., Ltd. Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas
JP2001232195A (ja) * 1999-12-17 2001-08-28 Ngk Insulators Ltd 触媒体
SE517251C2 (sv) * 2000-08-30 2002-05-14 Gustav Berggren Komponent för reglering av avgasåterflöde
AU2001284443A1 (en) * 2000-09-08 2002-03-22 Ngk Insulators, Ltd. Method for producing catalyst body and carrier having alumina carried thereon
US6589908B1 (en) * 2000-11-28 2003-07-08 Shell Oil Company Method of making alumina having bimodal pore structure, and catalysts made therefrom
KR100632591B1 (ko) * 2000-12-16 2006-10-09 에스케이 주식회사 다이옥신 제거용 촉매 조성물 및 이의 제조 방법
US6756340B2 (en) * 2002-04-08 2004-06-29 Uop Llc Dehydrogenation catalyst composition
US6713032B2 (en) * 2002-04-12 2004-03-30 Matsushita Electric Works, Ltd. Catalyst for removing carbon monoxide in hydrogen rich gas and production method therefor
US7569508B2 (en) * 2004-11-17 2009-08-04 Headwaters Technology Innovation, Llc Reforming nanocatalysts and method of making and using such catalysts
US7199273B2 (en) * 2003-11-24 2007-04-03 Exxonmobil Chemical Patents, Inc. Selective hydrogenation of alkynes and/or diolefins
US20050113614A1 (en) * 2003-11-24 2005-05-26 Lowe David M. Catalyst and process for selective hydrogenation
US7220700B2 (en) * 2003-11-24 2007-05-22 Exxonmobil Chemical Patents Inc. Catalyst and process for selective hydrogenation
US7220701B2 (en) * 2003-11-24 2007-05-22 Exxonmobil Chemical Patents Inc. Catalyst and process for selective hydrogenation
DE102005053230A1 (de) * 2005-11-06 2007-05-10 Basf Ag Verfahren zur Aromatisierung von Nichtaromaten und anschließende Dealkylierung von Alkyl-substituierten aromatischen Kohlenwasserstoffen mit Wasserdampf
TW200800387A (en) * 2006-06-01 2008-01-01 Ritek Corp Catalyst for catalyzing carbon nanotubes growth
JP5314910B2 (ja) * 2008-03-26 2013-10-16 株式会社東芝 メタノール酸化触媒およびその製造方法

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US2197523A (en) * 1936-07-31 1940-04-16 Gen Electric Cathode ray tube
US3992468A (en) * 1974-03-01 1976-11-16 Institut Francais Du Petrole, Des Carburants Et Lubrifiants Et Entreprise De Recherches Et D'activities Petrolieres Elf Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons
DE2727759A1 (de) * 1976-06-22 1978-01-05 Catalyse Soc Prod Francais Verfahren zur hydrodealkylierung von aromatischen alkylkohlenwasserstoffen in anwesenheit eines aus mehreren metallen bestehenden katalysators

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US3197523A (en) * 1961-11-03 1965-07-27 Universal Oil Prod Co Dealkylation of alkylaromatic compounds
US3436433A (en) * 1967-04-21 1969-04-01 Universal Oil Prod Co Dealkylation of alkyl substituted aromatic hydrocarbons
US3595932A (en) * 1968-08-20 1971-07-27 Gdal Nossonovich Maslyansky Method of producing benzene and its low-molecular weight homologs
US3649707A (en) * 1969-06-27 1972-03-14 Universal Oil Prod Co Dual catalyst in steam dealkylation process
US3649706A (en) * 1969-06-27 1972-03-14 Universal Oil Prod Co Steam dealkylation process
GB1355344A (en) * 1970-08-06 1974-06-05 Ici Ltd Dealkylation of aromatic hydrocarbons
US4013734A (en) * 1973-12-14 1977-03-22 Exxon Research And Engineering Company Novel catalyst and its use for steam hydroconversion and dealkylation processes
JPS5139588A (en) * 1974-10-01 1976-04-02 Mitsubishi Oil Co Suijokino sonzaika niokeru arukiruhokozokutankasuisono datsuarukirukayoshokubai
FR2317962A1 (fr) * 1975-07-15 1977-02-11 Raffinage Cie Francaise Nouveaux catalyseurs pour la dealkylation des hydrocarbures alkylaromatiques en presence de vapeur d'eau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2197523A (en) * 1936-07-31 1940-04-16 Gen Electric Cathode ray tube
US3992468A (en) * 1974-03-01 1976-11-16 Institut Francais Du Petrole, Des Carburants Et Lubrifiants Et Entreprise De Recherches Et D'activities Petrolieres Elf Process for the catalytic hydrodealkylation of alkylaromatic hydrocarbons
DE2727759A1 (de) * 1976-06-22 1978-01-05 Catalyse Soc Prod Francais Verfahren zur hydrodealkylierung von aromatischen alkylkohlenwasserstoffen in anwesenheit eines aus mehreren metallen bestehenden katalysators

Also Published As

Publication number Publication date
NL7900049A (nl) 1979-07-10
FR2414034A1 (fr) 1979-08-03
GB2011945B (en) 1982-03-24
FR2414034B1 (US20100268047A1-20101021-C00003.png) 1981-07-10
SU888813A3 (ru) 1981-12-07
JPS5531061A (en) 1980-03-05
BE873180A (fr) 1979-06-29
GB2011945A (en) 1979-07-18
IT1109943B (it) 1985-12-23
US4207169A (en) 1980-06-10
IT7919092A0 (it) 1979-01-05

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