FR2162486A1 - (meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillation - Google Patents
(meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillationInfo
- Publication number
- FR2162486A1 FR2162486A1 FR7243367A FR7243367A FR2162486A1 FR 2162486 A1 FR2162486 A1 FR 2162486A1 FR 7243367 A FR7243367 A FR 7243367A FR 7243367 A FR7243367 A FR 7243367A FR 2162486 A1 FR2162486 A1 FR 2162486A1
- Authority
- FR
- France
- Prior art keywords
- meth
- acrylic acid
- acetic acid
- aqs
- soln
- 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.)
- Granted
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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9924871A JPS4862712A (enrdf_load_stackoverflow) | 1971-12-07 | 1971-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2162486A1 true FR2162486A1 (en) | 1973-07-20 |
FR2162486B1 FR2162486B1 (enrdf_load_stackoverflow) | 1975-10-17 |
Family
ID=14242385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7243367A Granted FR2162486A1 (en) | 1971-12-07 | 1972-12-06 | (meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillation |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4862712A (enrdf_load_stackoverflow) |
DE (1) | DE2259501A1 (enrdf_load_stackoverflow) |
FR (1) | FR2162486A1 (enrdf_load_stackoverflow) |
NL (1) | NL7216556A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2451360A1 (fr) * | 1979-03-15 | 1980-10-10 | Halcon Res & Dev | Procede de recuperation, par extraction a l'aide d'un melange de solvants, de l'acide methacrylique forme par oxydation de la methacroleine |
WO2015197197A1 (en) * | 2014-06-26 | 2015-12-30 | L'air Liquide Societe Anonyme Pour L Etude Et L' Exploitation Des Procedes Georges Claude | Process and plant for the purification of acrylic acid |
WO2025131819A2 (en) | 2023-12-19 | 2025-06-26 | IFP Energies Nouvelles | Process for production of bio-acrylic acid |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4599144A (en) * | 1984-06-25 | 1986-07-08 | Standard Oil Company (Indiana) | Process for recovery of methacrylic acid |
JP5066309B2 (ja) * | 1999-04-05 | 2012-11-07 | 株式会社日本触媒 | 易重合性物質含有物の精製方法 |
-
1971
- 1971-12-07 JP JP9924871A patent/JPS4862712A/ja active Pending
-
1972
- 1972-12-05 DE DE19722259501 patent/DE2259501A1/de active Pending
- 1972-12-06 FR FR7243367A patent/FR2162486A1/fr active Granted
- 1972-12-06 NL NL7216556A patent/NL7216556A/xx unknown
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2451360A1 (fr) * | 1979-03-15 | 1980-10-10 | Halcon Res & Dev | Procede de recuperation, par extraction a l'aide d'un melange de solvants, de l'acide methacrylique forme par oxydation de la methacroleine |
WO2015197197A1 (en) * | 2014-06-26 | 2015-12-30 | L'air Liquide Societe Anonyme Pour L Etude Et L' Exploitation Des Procedes Georges Claude | Process and plant for the purification of acrylic acid |
US10029976B2 (en) | 2014-06-26 | 2018-07-24 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and plant for the purification of acrylic acid |
WO2025131819A2 (en) | 2023-12-19 | 2025-06-26 | IFP Energies Nouvelles | Process for production of bio-acrylic acid |
Also Published As
Publication number | Publication date |
---|---|
JPS4862712A (enrdf_load_stackoverflow) | 1973-09-01 |
NL7216556A (enrdf_load_stackoverflow) | 1973-06-12 |
DE2259501A1 (de) | 1973-06-14 |
FR2162486B1 (enrdf_load_stackoverflow) | 1975-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3433831A (en) | Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system | |
AU528657B2 (en) | Production of anhydrous formic acid | |
KR830000537A (ko) | 불순한 수용액으로부터 에틸렌옥사이드를 분리해내는 개량된 회수장치 | |
JPS5665834A (en) | Purification of phenol | |
JPS5610131A (en) | Recovery of acetic acid | |
US3666632A (en) | Method for the separation of acrylic acid from aqueous solution containing acrylic acid and acetic acid | |
FR2162486A1 (en) | (meth)acrylic acid purification - in aqs soln contg acetic acid by extraction and distillation | |
JPS5625130A (en) | Purification of high melting point compound | |
SU445645A1 (ru) | Способ выделени низкомолекул рных монокарбоновых кислот с1-с4 из водных растворов | |
US2431554A (en) | Purification of vinyl acetate by distillation and scrubbing of the distillate | |
SU437269A1 (ru) | Способ выделени уксусной кислоты из водного раствора | |
GB1222993A (en) | Process for recovery and purification of acrylate and methacrylate esters | |
JPS56123926A (en) | Purification of methanol | |
FR2451360A1 (fr) | Procede de recuperation, par extraction a l'aide d'un melange de solvants, de l'acide methacrylique forme par oxydation de la methacroleine | |
SU518121A3 (ru) | Способ разделени смеси 3,3-диметил-акролеина и 3-метил-3-бутенола-1 или 3,3-диметилакролеина,3-метил-3-бутенола-1 и 3-метил-2бутенола-1 | |
SU585147A1 (ru) | Способ разделени азеотропа этиленгликоль-карбитол | |
US2875213A (en) | Recovery of gamma-butyrolactone | |
GB310623A (en) | Improvements in the manufacture of higher alcohols | |
SU439296A1 (ru) | Способ отделени малых количеств легкокип щих примесей | |
SU413136A1 (enrdf_load_stackoverflow) | ||
GB682487A (en) | Purifying aqueous formaldehyde by distillation | |
GB762974A (en) | Dehydrating alcohols by extractive distillation | |
SU401660A1 (ru) | Способ выделения формальдегида | |
SU570583A1 (ru) | Способ выделени пропилена из продуктов эпоксидировани пропилена гидроперекисью этилбензола | |
GB904931A (en) | Process for the production of acrylic acid methyl ester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |