DE69305343D1 - Verfahren zur verbesserung der reinheit von para-xylol - Google Patents

Verfahren zur verbesserung der reinheit von para-xylol

Info

Publication number
DE69305343D1
DE69305343D1 DE69305343T DE69305343T DE69305343D1 DE 69305343 D1 DE69305343 D1 DE 69305343D1 DE 69305343 T DE69305343 T DE 69305343T DE 69305343 T DE69305343 T DE 69305343T DE 69305343 D1 DE69305343 D1 DE 69305343D1
Authority
DE
Germany
Prior art keywords
xylol
para
purity
improving
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 - Fee Related
Application number
DE69305343T
Other languages
English (en)
Other versions
DE69305343T2 (de
Inventor
John Ou
Harold Helmke
Dana Pilliod
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.)
ExxonMobil Chemical Patents Inc
Original Assignee
Exxon Chemical Patents 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 Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of DE69305343D1 publication Critical patent/DE69305343D1/de
Application granted granted Critical
Publication of DE69305343T2 publication Critical patent/DE69305343T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C07C7/14875—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
    • 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
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • 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
    • C07C7/14875—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
    • C07C7/14883—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds hydrocarbons
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69305343T 1992-05-26 1993-05-24 Verfahren zur verbesserung der reinheit von para-xylol Expired - Fee Related DE69305343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88857792A 1992-05-26 1992-05-26
PCT/US1993/004879 WO1993024432A1 (en) 1992-05-26 1993-05-24 Process for improving purity of para-xylene product

Publications (2)

Publication Number Publication Date
DE69305343D1 true DE69305343D1 (de) 1996-11-14
DE69305343T2 DE69305343T2 (de) 1997-02-20

Family

ID=25393454

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305343T Expired - Fee Related DE69305343T2 (de) 1992-05-26 1993-05-24 Verfahren zur verbesserung der reinheit von para-xylol

Country Status (7)

Country Link
EP (1) EP0646104B1 (de)
JP (1) JP2628107B2 (de)
KR (1) KR100329888B1 (de)
DE (1) DE69305343T2 (de)
ES (1) ES2092823T3 (de)
SG (1) SG48120A1 (de)
WO (1) WO1993024432A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6562996B2 (en) 1998-09-10 2003-05-13 Exxonmobil Chemical Patents Inc. Alkyl aromatic aldehydes
CA2343400A1 (en) 1998-09-10 2000-03-23 Exxonmobil Chemical Patents, Inc. Process for making aromatic aldehydes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816940A (en) * 1950-09-23 1957-12-17 California Research Corp Separation of alkyl benzenes by selective alkylation with a tertiary alkylating agent
US2801271A (en) * 1951-03-17 1957-07-30 California Research Corp Xylene separation process
US2840621A (en) * 1953-08-07 1958-06-24 Koppers Co Inc Separation of dialkylaromatic hydrocarbon isomers
GB1108178A (en) * 1964-03-26 1968-04-03 Hiroshi Tokuhisa Process for the separation of hydrocarbon compounds
JPS59100964A (ja) * 1982-12-01 1984-06-11 Hitachi Ltd ディスク制御システム及びその並列データ転送方法
JPH077359B2 (ja) * 1988-04-12 1995-01-30 日本電気株式会社 キャッシュメモリコントローラ
JP2872251B2 (ja) * 1988-10-12 1999-03-17 株式会社日立製作所 情報処理システム
JPH02187881A (ja) * 1989-01-13 1990-07-24 Mitsubishi Electric Corp 半導体集積回路

Also Published As

Publication number Publication date
ES2092823T3 (es) 1996-12-01
KR100329888B1 (ko) 2002-11-27
DE69305343T2 (de) 1997-02-20
WO1993024432A1 (en) 1993-12-09
EP0646104A1 (de) 1995-04-05
JP2628107B2 (ja) 1997-07-09
JPH07507545A (ja) 1995-08-24
KR950701609A (ko) 1995-04-28
EP0646104B1 (de) 1996-10-09
SG48120A1 (en) 1998-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee