GB540799A - Improvements in or relating to the manufacture of acetonitrile - Google Patents

Improvements in or relating to the manufacture of acetonitrile

Info

Publication number
GB540799A
GB540799A GB763140A GB763140A GB540799A GB 540799 A GB540799 A GB 540799A GB 763140 A GB763140 A GB 763140A GB 763140 A GB763140 A GB 763140A GB 540799 A GB540799 A GB 540799A
Authority
GB
United Kingdom
Prior art keywords
entrainer
acetonitrile
azeotrope
layers
mixture
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
GB763140A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB763140A priority Critical patent/GB540799A/en
Publication of GB540799A publication Critical patent/GB540799A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

540,799. Dehydrating acetoritrile. PRATT, H. R. C.. and IMPERIAL CHEMICAL INDUSTRIES, Ltd. April 29, 1940, No. 7631. [Class 32] Aqueous solutions of acetonitrile are dehydrated by adding thereto an entrainer which forms a ternary azeotropic mixture with the water and acetonitrile and distilling the mixture to drive off the azeotrope in vapour. form. Entraining liquids specified comprise carbon tetrachloride, carbon disulphide, trichloro ethylene, perchloro ethylene, benzene, toluene, xylene, ethyl or propyl acetate, or a petroleum fraction of 60-80‹C. or 80-100‹C. boiling range. The azeotrope on condensation separates into two of three layers, the layers rich in entrainer being returned to the still while the aqueous layer is discarded or distilled to recover its content of entrainer.
GB763140A 1940-04-29 1940-04-29 Improvements in or relating to the manufacture of acetonitrile Expired GB540799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB763140A GB540799A (en) 1940-04-29 1940-04-29 Improvements in or relating to the manufacture of acetonitrile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB763140A GB540799A (en) 1940-04-29 1940-04-29 Improvements in or relating to the manufacture of acetonitrile

Publications (1)

Publication Number Publication Date
GB540799A true GB540799A (en) 1941-10-30

Family

ID=9836815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB763140A Expired GB540799A (en) 1940-04-29 1940-04-29 Improvements in or relating to the manufacture of acetonitrile

Country Status (1)

Country Link
GB (1) GB540799A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451899A (en) * 1965-12-21 1969-06-24 Badger Co Purification of acetonitrile by an azeotropic distillation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451899A (en) * 1965-12-21 1969-06-24 Badger Co Purification of acetonitrile by an azeotropic distillation method

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