RO81394B - Process for the selective ethylation of toluene - Google Patents

Process for the selective ethylation of toluene

Info

Publication number
RO81394B
RO81394B RO94164A RO9416478A RO81394B RO 81394 B RO81394 B RO 81394B RO 94164 A RO94164 A RO 94164A RO 9416478 A RO9416478 A RO 9416478A RO 81394 B RO81394 B RO 81394B
Authority
RO
Romania
Prior art keywords
toluene
ethylation
ethylene
carried out
pressure
Prior art date
Application number
RO94164A
Other languages
Romanian (ro)
Other versions
RO81394A (en
Inventor
Warren William Kaeding
Lewis Brewster Young
Original Assignee
Mobil Oil Corporation
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 Mobil Oil Corporation filed Critical Mobil Oil Corporation
Publication of RO81394A publication Critical patent/RO81394A/en
Publication of RO81394B publication Critical patent/RO81394B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/02—Monocyclic hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
    • C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
    • C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
    • C07C15/46—Styrene; Ring-alkylated styrenes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
    • C07C2/66—Catalytic processes
    • C07C2/68—Catalytic processes with halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
    • C07C2/66—Catalytic processes
    • C07C2/70—Catalytic processes with acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic processes
    • C07C5/3332—Catalytic processes with metal oxides or metal sulfides
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/26—After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/36—Steaming
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/42—Addition of matrix or binder particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Fats And Perfumes (AREA)

Abstract

Inventia se refera la un procedeu de etilare selectiva a toluenului folosind ca agent de etilare etilena, reactia avînd loc în prezenta unui catalizator constituit dintr-un zeolit pe baza de aluminosilicati cristalini avand un raport SiO2/Al2O3 de minimum 12 si un indice de constructie cuprins între 1 si 12, la temperatura si presiune ridicate si consta izomerului para cu un randament se desfasoara la temperatura cuprinsa între 300 si 450 degree C la o presiune de 0,2....100 at, raportul molar toluen etilena fiind cuprins între 2,5 si 5,1 debitul de alimentare fiind de 3,9....7,4 iar timpul de contact cuprins între 1 si 7 h.The invention relates to a process for selectively ethylation of toluene using ethylene as the ethylation agent, the reaction being carried out in the presence of a catalyst comprising a crystalline aluminosilicate zeolite having a SiO2 / Al2O3 ratio of at least 12 and a building index between 1 and 12 at elevated temperature and pressure and consisting of the para isomer in a yield is carried out at a temperature of between 300 and 450 degrees C at a pressure of 0.2 ... 100 atmospheres, the molar ratio toluene ethylene being between 2 , 5 and 5.1 the feed rate being 3.9 ... 7.4 and the contact time between 1 and 7 hours.

RO94164A 1977-05-27 1978-05-25 Process for the selective ethylation of toluene RO81394B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80117777A 1977-05-27 1977-05-27

Publications (2)

Publication Number Publication Date
RO81394A RO81394A (en) 1983-04-29
RO81394B true RO81394B (en) 1983-04-30

Family

ID=25180397

Family Applications (1)

Application Number Title Priority Date Filing Date
RO94164A RO81394B (en) 1977-05-27 1978-05-25 Process for the selective ethylation of toluene

Country Status (17)

Country Link
JP (1) JPS53147032A (en)
AU (1) AU523302B2 (en)
BE (1) BE867415A (en)
BR (1) BR7803383A (en)
CA (1) CA1157889A (en)
CS (1) CS213344B2 (en)
DD (1) DD136958A5 (en)
DE (1) DE2821520A1 (en)
FR (1) FR2391979A1 (en)
GB (1) GB1592129A (en)
IN (1) IN147121B (en)
IT (1) IT1096347B (en)
MX (1) MX147739A (en)
NL (1) NL7805687A (en)
PL (1) PL115231B1 (en)
RO (1) RO81394B (en)
ZA (2) ZA783035B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288647A (en) * 1980-03-10 1981-09-08 Mobil Oil Corporation Shape selective reactions with alkaline earth-modified zeolite catalysts
JPS6116410A (en) * 1984-06-29 1986-01-24 日本石油化学株式会社 Electrically insulating oil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920119A (en) * 1955-06-02 1960-01-05 Mid Century Corp Process for producing paraethyltoluene
CH349962A (en) * 1955-06-02 1960-11-15 Mid Century Corp Process for preparing an ethyltoluene fraction with a para isomer content of at least 30%
US3944628A (en) * 1972-04-07 1976-03-16 Mitsubishi Chemical Industries, Ltd. Method for the separation of hydrocarbons
US4086287A (en) * 1976-07-19 1978-04-25 Mobil Oil Corporation Selective ethylation of mono alkyl benzenes

Also Published As

Publication number Publication date
BE867415A (en) 1978-11-24
PL115231B1 (en) 1981-03-31
IT7823884A0 (en) 1978-05-26
DE2821520C2 (en) 1989-10-12
GB1592129A (en) 1981-07-01
CS213344B2 (en) 1982-04-09
IN147121B (en) 1979-11-17
PL207109A1 (en) 1979-03-12
NL7805687A (en) 1978-11-29
DD136958A5 (en) 1979-08-08
FR2391979A1 (en) 1978-12-22
ZA783034B (en) 1980-01-30
CA1157889A (en) 1983-11-29
JPS53147032A (en) 1978-12-21
DE2821520A1 (en) 1978-12-07
RO81394A (en) 1983-04-29
ZA783035B (en) 1980-01-30
IT1096347B (en) 1985-08-26
AU523302B2 (en) 1982-07-22
AU3653578A (en) 1979-11-29
MX147739A (en) 1983-01-10
BR7803383A (en) 1979-02-20
FR2391979B1 (en) 1984-03-30

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