DE1814599C3 - Verfahren zur Extraktion und Isomerisierung von m-Xylol aus einem Xylolgemisch - Google Patents

Verfahren zur Extraktion und Isomerisierung von m-Xylol aus einem Xylolgemisch

Info

Publication number
DE1814599C3
DE1814599C3 DE1814599A DE1814599A DE1814599C3 DE 1814599 C3 DE1814599 C3 DE 1814599C3 DE 1814599 A DE1814599 A DE 1814599A DE 1814599 A DE1814599 A DE 1814599A DE 1814599 C3 DE1814599 C3 DE 1814599C3
Authority
DE
Germany
Prior art keywords
xylene
isomerization
hydrogen fluoride
boron trifluoride
extraction
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
DE1814599A
Other languages
German (de)
English (en)
Other versions
DE1814599A1 (de
DE1814599B2 (enExample
Inventor
Yoshiro Ito
Takashi Nakano
Kazuo Okamoto
Tamotsu Ueno
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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co 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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of DE1814599A1 publication Critical patent/DE1814599A1/de
Publication of DE1814599B2 publication Critical patent/DE1814599B2/de
Application granted granted Critical
Publication of DE1814599C3 publication Critical patent/DE1814599C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C15/067—C8H10 hydrocarbons
    • C07C15/08—Xylenes
    • 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
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2702—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously
    • C07C5/271—Catalytic processes not covered by C07C5/2732 - C07C5/31; Catalytic processes covered by both C07C5/2732 and C07C5/277 simultaneously with inorganic acids; with salts or anhydrides of acids
    • C07C5/2718—Acids of halogen; Salts thereof; complexes thereof with organic compounds
    • 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
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732—Catalytic processes
    • C07C5/274—Catalytic processes with inorganic acids; with salts or anhydrides of acids
    • C07C5/2748—Acids of halogen; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/152—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by forming adducts or complexes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/8995—Catalyst and recycle considerations
    • Y10S585/901—Catalyst and recycle considerations with recycle, rehabilitation, or preservation of solvent, diluent, or mass action agent
    • Y10S585/902—Recycle of solvent and catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE1814599A 1967-12-15 1968-12-13 Verfahren zur Extraktion und Isomerisierung von m-Xylol aus einem Xylolgemisch Expired DE1814599C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8041067 1967-12-15

Publications (3)

Publication Number Publication Date
DE1814599A1 DE1814599A1 (de) 1969-07-24
DE1814599B2 DE1814599B2 (enExample) 1978-04-06
DE1814599C3 true DE1814599C3 (de) 1978-11-30

Family

ID=13717505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1814599A Expired DE1814599C3 (de) 1967-12-15 1968-12-13 Verfahren zur Extraktion und Isomerisierung von m-Xylol aus einem Xylolgemisch

Country Status (6)

Country Link
US (1) US3562347A (enExample)
BE (1) BE725384A (enExample)
DE (1) DE1814599C3 (enExample)
GB (1) GB1193910A (enExample)
NL (1) NL155809B (enExample)
SU (1) SU421176A3 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624172A (en) * 1970-08-03 1971-11-30 Universal Oil Prod Co Process for the production of para-xylene
IN2015DN00188A (enExample) * 2012-06-29 2015-06-12 Mitsubishi Gas Chemical Co
EP3382248B1 (en) * 2017-03-30 2020-04-29 Hamilton Sundstrand Corporation Rotary actuation mechanism

Also Published As

Publication number Publication date
US3562347A (en) 1971-02-09
DE1814599A1 (de) 1969-07-24
BE725384A (enExample) 1969-05-16
SU421176A3 (enExample) 1974-03-25
NL155809B (nl) 1978-02-15
DE1814599B2 (enExample) 1978-04-06
GB1193910A (en) 1970-06-03
NL6817887A (enExample) 1969-06-17

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee