JPS51136613A - Process for purification of acetic acid - Google Patents

Process for purification of acetic acid

Info

Publication number
JPS51136613A
JPS51136613A JP6173475A JP6173475A JPS51136613A JP S51136613 A JPS51136613 A JP S51136613A JP 6173475 A JP6173475 A JP 6173475A JP 6173475 A JP6173475 A JP 6173475A JP S51136613 A JPS51136613 A JP S51136613A
Authority
JP
Japan
Prior art keywords
acetic acid
purification
acetaldehyde
urea
distilled
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.)
Pending
Application number
JP6173475A
Other languages
Japanese (ja)
Inventor
Kazuo Motosawa
Tsudoi Oga
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.)
Daicel Corp
Original Assignee
Daicel Corp
Daicel 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 Daicel Corp, Daicel Chemical Industries Ltd filed Critical Daicel Corp
Priority to JP6173475A priority Critical patent/JPS51136613A/en
Publication of JPS51136613A publication Critical patent/JPS51136613A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: After the high boiling point impurities are removed from the product obtained by oxidation of acetaldehyde, urea is added and the solution is treated at high temperature, and then it is distilled to give high quality acetic acid for food additives.
COPYRIGHT: (C)1976,JPO&Japio
JP6173475A 1975-05-23 1975-05-23 Process for purification of acetic acid Pending JPS51136613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6173475A JPS51136613A (en) 1975-05-23 1975-05-23 Process for purification of acetic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6173475A JPS51136613A (en) 1975-05-23 1975-05-23 Process for purification of acetic acid

Publications (1)

Publication Number Publication Date
JPS51136613A true JPS51136613A (en) 1976-11-26

Family

ID=13179714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6173475A Pending JPS51136613A (en) 1975-05-23 1975-05-23 Process for purification of acetic acid

Country Status (1)

Country Link
JP (1) JPS51136613A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10758838B2 (en) 2015-02-25 2020-09-01 Sabic Global Technologies B.V. Process for removing impurities from acetic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10758838B2 (en) 2015-02-25 2020-09-01 Sabic Global Technologies B.V. Process for removing impurities from acetic acid

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