ES459967A1 - Procedimiento para la hidrodesalquilacion de hidrocarburos alquil aromaticos. - Google Patents

Procedimiento para la hidrodesalquilacion de hidrocarburos alquil aromaticos.

Info

Publication number
ES459967A1
ES459967A1 ES459967A ES459967A ES459967A1 ES 459967 A1 ES459967 A1 ES 459967A1 ES 459967 A ES459967 A ES 459967A ES 459967 A ES459967 A ES 459967A ES 459967 A1 ES459967 A1 ES 459967A1
Authority
ES
Spain
Prior art keywords
catalyst
hydrodealkylation
alkylaromatic hydrocarbons
hydrodealkylating
rhodium
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.)
Expired
Application number
ES459967A
Other languages
English (en)
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.)
Pro Catalyse SA
Original Assignee
Pro Catalyse SA
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 Pro Catalyse SA filed Critical Pro Catalyse SA
Publication of ES459967A1 publication Critical patent/ES459967A1/es
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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • B01J23/89—Catalysts 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/12—Preparation 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
    • C07C4/14—Preparation 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
    • C07C4/18—Catalytic processes
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of zinc, cadmium or mercury
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/42—Platinum
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/44—Palladium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/46—Ruthenium, rhodium, osmium or iridium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/72—Copper
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/745—Iron
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/75—Cobalt
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/755—Nickel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Procedimiento para la hidrodesalquilación de hidrocarburos alquil aromáticos por reacción entre el hidrocarbuaro alquil aromático y el hidrógeno en ausencia de vapor de agua, caracterizado porque se efectúa la reacción a una temperatura comprendida entre 450 y 650ºC, bajo una presión de 1 a 30 bares,
ES459967A 1976-06-22 1977-06-21 Procedimiento para la hidrodesalquilacion de hidrocarburos alquil aromaticos. Expired ES459967A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7618961A FR2355791A1 (fr) 1976-06-22 1976-06-22 Procede d'hydrodealkylation d'hydrocarbures alkyl aromatiques en presence d'un catalyseur plurimetallique

Publications (1)

Publication Number Publication Date
ES459967A1 true ES459967A1 (es) 1978-05-01

Family

ID=9174726

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459967A Expired ES459967A1 (es) 1976-06-22 1977-06-21 Procedimiento para la hidrodesalquilacion de hidrocarburos alquil aromaticos.

Country Status (8)

Country Link
US (1) US4138443A (es)
JP (1) JPS532426A (es)
BE (1) BE855956A (es)
DE (1) DE2727759A1 (es)
ES (1) ES459967A1 (es)
FR (1) FR2355791A1 (es)
GB (1) GB1569658A (es)
NL (1) NL7706845A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414034A1 (fr) * 1978-01-06 1979-08-03 Inst Francais Du Petrole Procede de dealkylation, a la vapeur d'eau, d'hydrocarbures aromatiques
GB9306334D0 (en) * 1993-03-26 1993-05-19 Univ Dundee Catalyst
US10118243B2 (en) 2011-10-14 2018-11-06 Lincoln Global, Inc. Real time inductance monitoring in welding and cutting power supply
US11623292B2 (en) 2019-03-29 2023-04-11 Lincoln Global, Inc. Real time resistance monitoring of an arc welding circuit
BR112022017204A2 (pt) * 2020-03-31 2022-10-11 Mitsubishi Chem Corp Catalisador, método para produção de isobutileno, método para produção de ácido metacrílico e método para produção de metacrilato de metila
CN111871428B (zh) * 2020-07-22 2023-04-28 上海应用技术大学 一种用于制备d,l-薄荷醇的铑催化剂及d,l-薄荷醇的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306944A (en) * 1965-12-27 1967-02-28 Universal Oil Prod Co Process for the hydrodealkylation of alkyl aromatic hydrocarbons
FR1594541A (es) * 1967-12-20 1970-06-08
US3595932A (en) * 1968-08-20 1971-07-27 Gdal Nossonovich Maslyansky Method of producing benzene and its low-molecular weight homologs
US3812196A (en) * 1970-11-30 1974-05-21 Mitsubishi Petrochemical Co Catalytic steam dealkylation
FR2254542B1 (es) * 1973-12-13 1976-05-14 Inst Francais Du Petrole
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

Also Published As

Publication number Publication date
GB1569658A (en) 1980-06-18
JPS532426A (en) 1978-01-11
BE855956A (fr) 1977-12-21
US4138443A (en) 1979-02-06
NL7706845A (nl) 1977-12-27
FR2355791B1 (es) 1979-07-20
DE2727759A1 (de) 1978-01-05
FR2355791A1 (fr) 1978-01-20

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