CA1057766A - Anhydride separation process - Google Patents

Anhydride separation process

Info

Publication number
CA1057766A
CA1057766A CA222,291A CA222291A CA1057766A CA 1057766 A CA1057766 A CA 1057766A CA 222291 A CA222291 A CA 222291A CA 1057766 A CA1057766 A CA 1057766A
Authority
CA
Canada
Prior art keywords
absorbent
anhydride
maleic anhydride
accordance
absorber
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
CA222,291A
Other languages
English (en)
French (fr)
Other versions
CA222291S (en
Inventor
David M. Marquis
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.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
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 Chevron Research and Technology Co filed Critical Chevron Research and Technology Co
Application granted granted Critical
Publication of CA1057766A publication Critical patent/CA1057766A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/573Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA222,291A 1974-03-18 1975-03-17 Anhydride separation process Expired CA1057766A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45248874A 1974-03-18 1974-03-18
US55007075A 1975-02-14 1975-02-14

Publications (1)

Publication Number Publication Date
CA1057766A true CA1057766A (en) 1979-07-03

Family

ID=27036787

Family Applications (1)

Application Number Title Priority Date Filing Date
CA222,291A Expired CA1057766A (en) 1974-03-18 1975-03-17 Anhydride separation process

Country Status (6)

Country Link
JP (1) JPS5442962B2 (enrdf_load_stackoverflow)
CA (1) CA1057766A (enrdf_load_stackoverflow)
DE (1) DE2510479C3 (enrdf_load_stackoverflow)
FR (1) FR2264812B1 (enrdf_load_stackoverflow)
GB (1) GB1443411A (enrdf_load_stackoverflow)
IT (1) IT1034245B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1163975B (it) * 1979-03-21 1987-04-08 Ftalital Prod Chim Spec Procedimento per separare in modo continuo anidride maleica da gas di processo
KR20140015418A (ko) 2011-05-11 2014-02-06 헌츠만 페트로케미칼 엘엘씨 가스 스트림으로부터 말레산 무수물을 회수하기 위한 개량된 용매

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850758A (en) * 1973-07-02 1974-11-26 Allied Chem Purification of crude maleic anhydride by treatment with dimethylbenzophenone

Also Published As

Publication number Publication date
DE2510479A1 (de) 1975-09-25
JPS5442962B2 (enrdf_load_stackoverflow) 1979-12-17
GB1443411A (en) 1976-07-21
DE2510479B2 (de) 1979-01-18
DE2510479C3 (de) 1979-09-20
JPS50131923A (enrdf_load_stackoverflow) 1975-10-18
FR2264812A1 (enrdf_load_stackoverflow) 1975-10-17
FR2264812B1 (enrdf_load_stackoverflow) 1978-10-20
IT1034245B (it) 1979-09-10

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