GB330537A - Process for the manufacture of acetic anhydride - Google Patents

Process for the manufacture of acetic anhydride

Info

Publication number
GB330537A
GB330537A GB7656/29A GB765629A GB330537A GB 330537 A GB330537 A GB 330537A GB 7656/29 A GB7656/29 A GB 7656/29A GB 765629 A GB765629 A GB 765629A GB 330537 A GB330537 A GB 330537A
Authority
GB
United Kingdom
Prior art keywords
phosphate
catalyst
prepared
boron phosphate
alkali
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
GB7656/29A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB7656/29A priority Critical patent/GB330537A/en
Publication of GB330537A publication Critical patent/GB330537A/en
Expired legal-status Critical Current

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
    • 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
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

330,537. Carpmael, A., (I. G. Farbenindustrie Akt.-Ges.). March 8, 1929. Acetic anhydride is produced by passing aceticacid vapour over a catalyst comprising boron phosphate and an alkali phosphate or other compound of an alkali metal at 4o0-700‹ 0. When a deposit of carbon appears, the catalyst is regenerated by ignition in air. The catalyst is prepared by adding boron phosphate to a solution of alkali phosphate, borate, carbonate or hydroxide, evaporating the whole to dryness, and calcining. In the examples the catalysts are prepared from boron phosphate and acid sodium ammonium phosphate, borax and sodium hydrate respectively. Another catalyst mentioned is prepared from boron phosphate, lithium metaphosphate, and sodium metaphosphate.
GB7656/29A 1929-03-08 1929-03-08 Process for the manufacture of acetic anhydride Expired GB330537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7656/29A GB330537A (en) 1929-03-08 1929-03-08 Process for the manufacture of acetic anhydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7656/29A GB330537A (en) 1929-03-08 1929-03-08 Process for the manufacture of acetic anhydride

Publications (1)

Publication Number Publication Date
GB330537A true GB330537A (en) 1930-06-10

Family

ID=9837284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7656/29A Expired GB330537A (en) 1929-03-08 1929-03-08 Process for the manufacture of acetic anhydride

Country Status (1)

Country Link
GB (1) GB330537A (en)

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