IT1034245B - Procedimento per la separazione dell anidride maleica o ftalica da una miscela gassosa mediante assorbente organico - Google Patents

Procedimento per la separazione dell anidride maleica o ftalica da una miscela gassosa mediante assorbente organico

Info

Publication number
IT1034245B
IT1034245B IT2122475A IT2122475A IT1034245B IT 1034245 B IT1034245 B IT 1034245B IT 2122475 A IT2122475 A IT 2122475A IT 2122475 A IT2122475 A IT 2122475A IT 1034245 B IT1034245 B IT 1034245B
Authority
IT
Italy
Prior art keywords
phthalic
maleic
dioxide
separation
procedure
Prior art date
Application number
IT2122475A
Other languages
English (en)
Italian (it)
Original Assignee
Chevron Res
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 Res filed Critical Chevron Res
Application granted granted Critical
Publication of IT1034245B publication Critical patent/IT1034245B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; 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)
IT2122475A 1974-03-18 1975-03-13 Procedimento per la separazione dell anidride maleica o ftalica da una miscela gassosa mediante assorbente organico IT1034245B (it)

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
IT1034245B true IT1034245B (it) 1979-09-10

Family

ID=27036787

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2122475A IT1034245B (it) 1974-03-18 1975-03-13 Procedimento per la separazione dell anidride maleica o ftalica da una miscela gassosa mediante assorbente organico

Country Status (6)

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

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
RU2607762C2 (ru) 2011-05-11 2017-01-10 ХАНТСМЭН ПЕТРОКЕМИКАЛ ЭлЭлСи Усовершенствованный растворитель для извлечения малеинового ангидрида из газового потока

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
DE2510479B2 (de) 1979-01-18
GB1443411A (en) 1976-07-21
DE2510479C3 (de) 1979-09-20
JPS50131923A (OSRAM) 1975-10-18
DE2510479A1 (de) 1975-09-25
JPS5442962B2 (OSRAM) 1979-12-17
CA1057766A (en) 1979-07-03
FR2264812A1 (OSRAM) 1975-10-17
FR2264812B1 (OSRAM) 1978-10-20

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940331