AT312573B - Process for the production of pure maleic anhydride - Google Patents

Process for the production of pure maleic anhydride

Info

Publication number
AT312573B
AT312573B AT192872A AT192872A AT312573B AT 312573 B AT312573 B AT 312573B AT 192872 A AT192872 A AT 192872A AT 192872 A AT192872 A AT 192872A AT 312573 B AT312573 B AT 312573B
Authority
AT
Austria
Prior art keywords
production
maleic anhydride
pure maleic
pure
anhydride
Prior art date
Application number
AT192872A
Other languages
German (de)
Original Assignee
Prolizenz Ag
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 Prolizenz Ag filed Critical Prolizenz Ag
Application granted granted Critical
Publication of AT312573B publication Critical patent/AT312573B/en

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
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/163—Plates with valves
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT192872A 1971-03-09 1972-03-08 Process for the production of pure maleic anhydride AT312573B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH339771A CH543471A (en) 1971-03-09 1971-03-09 Process for the production of pure maleic anhydride

Publications (1)

Publication Number Publication Date
AT312573B true AT312573B (en) 1974-01-10

Family

ID=4255090

Family Applications (1)

Application Number Title Priority Date Filing Date
AT192872A AT312573B (en) 1971-03-09 1972-03-08 Process for the production of pure maleic anhydride

Country Status (10)

Country Link
AT (1) AT312573B (en)
BE (1) BE779975A (en)
CH (1) CH543471A (en)
DE (1) DE2209036A1 (en)
ES (1) ES400455A1 (en)
FR (1) FR2128708A1 (en)
GB (1) GB1363533A (en)
IT (1) IT951809B (en)
NL (1) NL7203067A (en)
ZA (1) ZA721043B (en)

Also Published As

Publication number Publication date
CH543471A (en) 1973-10-31
IT951809B (en) 1973-07-10
GB1363533A (en) 1974-08-14
DE2209036A1 (en) 1972-12-07
NL7203067A (en) 1972-09-12
BE779975A (en) 1972-06-16
ZA721043B (en) 1972-10-25
ES400455A1 (en) 1974-12-16
FR2128708A1 (en) 1972-10-20

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee