JPS5365814A - Purification of acetic acid - Google Patents
Purification of acetic acidInfo
- Publication number
- JPS5365814A JPS5365814A JP14046176A JP14046176A JPS5365814A JP S5365814 A JPS5365814 A JP S5365814A JP 14046176 A JP14046176 A JP 14046176A JP 14046176 A JP14046176 A JP 14046176A JP S5365814 A JPS5365814 A JP S5365814A
- Authority
- JP
- Japan
- Prior art keywords
- acetic acid
- purification
- crude
- atage
- seasonings
- 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: To obtain high quality acetic acid, useful as seasonings, by the oxidation of acetaldehyde, characterized in that, after removal of high boiling point substances from the crude product by distillation, water is introduced into a fractionating column at a state between the crude acetic acid charging atage and the product discharging stage.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14046176A JPS5365814A (en) | 1976-11-22 | 1976-11-22 | Purification of acetic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14046176A JPS5365814A (en) | 1976-11-22 | 1976-11-22 | Purification of acetic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5365814A true JPS5365814A (en) | 1978-06-12 |
Family
ID=15269127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14046176A Pending JPS5365814A (en) | 1976-11-22 | 1976-11-22 | Purification of acetic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5365814A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017149856A1 (en) * | 2016-03-01 | 2017-09-08 | 株式会社ダイセル | Acetic acid production method |
US10758838B2 (en) | 2015-02-25 | 2020-09-01 | Sabic Global Technologies B.V. | Process for removing impurities from acetic acid |
-
1976
- 1976-11-22 JP JP14046176A patent/JPS5365814A/en active Pending
Cited By (4)
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 |
WO2017149856A1 (en) * | 2016-03-01 | 2017-09-08 | 株式会社ダイセル | Acetic acid production method |
EP3623359A1 (en) * | 2016-03-01 | 2020-03-18 | Daicel Corporation | Acetic acid production method |
US11014868B2 (en) | 2016-03-01 | 2021-05-25 | Daicel Corporation | Method for producing acetic acid |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5384933A (en) | Preparation of terephthalic acid | |
JPS5427520A (en) | Purification of crude acrylic acid | |
JPS5293763A (en) | Preparation of tetrahydrofuran | |
JPS5223001A (en) | Process for elimination of formyl group | |
JPS5432431A (en) | Replacement and separation of mother liquor in terephthalic acid suspension | |
JPS5365814A (en) | Purification of acetic acid | |
JPS5283315A (en) | Purification of acetic acid | |
JPS5334789A (en) | Purification of epsilon-caprolactone | |
JPS5236621A (en) | Continuous method for purifying methyl methacrylate | |
JPS5446701A (en) | Purification of carbolylic acid esters | |
JPS5212143A (en) | Process for preparation of alpha-(4' -isobutylphenyl)alkylacetic acid | |
JPS52102217A (en) | Purification of glycidyl esters | |
JPS5239622A (en) | Process for preparation of methacrylic acid | |
JPS53144524A (en) | Production of methacrylic ester | |
JPS5387305A (en) | Preparation of 1,4-butanediol and tetrahydrofuran | |
JPS51136613A (en) | Process for purification of acetic acid | |
JPS5395953A (en) | Concentration and separation of naphthalene-1,3,6-trisulfonic acid | |
JPS5219607A (en) | Process for recovery of polyhydric alcohols | |
JPS51128930A (en) | Process for removing by-products | |
JPS5225737A (en) | Treatment of hind-running fraction | |
JPS53116337A (en) | Purification of phthalic acid anhydride | |
JPS5312155A (en) | Process for removing color of separatad loquid from heat treatment apparatus | |
JPS57156439A (en) | Continuous preparation of monochloroacetic acid ester | |
JPS55120537A (en) | Recovery of acetic acid | |
JPS52108992A (en) | Purification of cefalexin |