JPS51136613A - Process for purification of acetic acid - Google Patents
Process for purification of acetic acidInfo
- 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
Links
Landscapes
- 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
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)
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 |
-
1975
- 1975-05-23 JP JP6173475A patent/JPS51136613A/en active Pending
Cited By (1)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51136613A (en) | Process for purification of acetic acid | |
JPS51136615A (en) | Process for preparation of methacrylic acid | |
JPS5219610A (en) | Process for preparation of high purity butanediol | |
JPS5239622A (en) | Process for preparation of methacrylic acid | |
JPS5325508A (en) | Production of glycols | |
JPS5239642A (en) | A process for preparing protocatechualdehyde | |
JPS5212143A (en) | Process for preparation of alpha-(4' -isobutylphenyl)alkylacetic acid | |
JPS5254087A (en) | Production prostaglandins | |
JPS5214739A (en) | Process for recovery of terephthalic acid | |
JPS51138649A (en) | P rocess for preparing cyclohexene | |
JPS5365814A (en) | Purification of acetic acid | |
ES483076A1 (en) | Process for the purification of tryptophane and derivatives of tryptophane | |
JPS5265A (en) | Method of purifying water quality | |
JPS5217447A (en) | Process for preparation of trans-4- aminomethylcyclohexane-carboxylic acid ester | |
JPS5219607A (en) | Process for recovery of polyhydric alcohols | |
JPS51141894A (en) | Process for preparing guanine. | |
JPS51128930A (en) | Process for removing by-products | |
JPS5233616A (en) | Process for preparation of methacrylic acid | |
JPS51138648A (en) | Process for preparing cyclohexene | |
JPS5227755A (en) | Preparation of benzophenone derivatives | |
JPS51136661A (en) | Process for preparing 7-dehydrocholesterols. | |
JPS539715A (en) | Crystallization of dl-acetylmethionine | |
JPS5254091A (en) | Production of prostaglandins | |
JPS5254092A (en) | Poduction of prostaglandins | |
JPS525692A (en) | Production process of catalyst for asymmetric hydrogenation |