JPS5785330A - Isomerization of halogenated toluene - Google Patents

Isomerization of halogenated toluene

Info

Publication number
JPS5785330A
JPS5785330A JP55161373A JP16137380A JPS5785330A JP S5785330 A JPS5785330 A JP S5785330A JP 55161373 A JP55161373 A JP 55161373A JP 16137380 A JP16137380 A JP 16137380A JP S5785330 A JPS5785330 A JP S5785330A
Authority
JP
Japan
Prior art keywords
zeolite
type
isomerization
halogenated toluene
catalyst
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.)
Granted
Application number
JP55161373A
Other languages
Japanese (ja)
Other versions
JPS6215050B2 (en
Inventor
Kuniyuki Tada
Kazuyoshi Iwayama
Hidekazu Minomiya
Takehisa Inoue
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP55161373A priority Critical patent/JPS5785330A/en
Publication of JPS5785330A publication Critical patent/JPS5785330A/en
Publication of JPS6215050B2 publication Critical patent/JPS6215050B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To carry out the catalytic isomerization of a halogenated toluene without side reactions, by using a catalyst comprising a long-life acid-type zeolite having high isomerization activity and selectivity having a crystalline structure wherein the opening of the principal cavity is composed of a 10-membered oxygen-containing ring.
CONSTITUTION: A halogenated toluene (o-, m- or p-halogenated toluene) is isomerized using a catalyst comprising a zeolite wherein the opening of the principal cavity is composed of a 10-membered ring (e.g. zeolite of ZSM-5-type, 8- type, 11-type, etc.). The composition of ZSM-5 zeolite which is a representative catalyst component is shown in the formula (M is cation; n is valency of the cation), and the zeolite is used usually as a molded article. The isomerization reaction is esp. carried out by fixed-bed gas-flow process, at 200W500°C, esp. 250W400°C.
COPYRIGHT: (C)1982,JPO&Japio
JP55161373A 1980-11-18 1980-11-18 Isomerization of halogenated toluene Granted JPS5785330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55161373A JPS5785330A (en) 1980-11-18 1980-11-18 Isomerization of halogenated toluene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55161373A JPS5785330A (en) 1980-11-18 1980-11-18 Isomerization of halogenated toluene

Publications (2)

Publication Number Publication Date
JPS5785330A true JPS5785330A (en) 1982-05-28
JPS6215050B2 JPS6215050B2 (en) 1987-04-06

Family

ID=15733847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55161373A Granted JPS5785330A (en) 1980-11-18 1980-11-18 Isomerization of halogenated toluene

Country Status (1)

Country Link
JP (1) JPS5785330A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG74639A1 (en) 1997-07-10 2000-08-22 Toray Industries A catalyst composition and a method for isomerizing halogenated aromatics

Also Published As

Publication number Publication date
JPS6215050B2 (en) 1987-04-06

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