GB1411214A - Process for purifying monochloroacetic acid - Google Patents
Process for purifying monochloroacetic acidInfo
- Publication number
- GB1411214A GB1411214A GB2024274A GB2024274A GB1411214A GB 1411214 A GB1411214 A GB 1411214A GB 2024274 A GB2024274 A GB 2024274A GB 2024274 A GB2024274 A GB 2024274A GB 1411214 A GB1411214 A GB 1411214A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- temperature
- hydrogen
- monochloroacetic acid
- dehalogenating
- 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
Links
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 238000005984 hydrogenation reaction Methods 0.000 abstract 2
- 238000000746 purification Methods 0.000 abstract 2
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732323777 DE2323777C2 (de) | 1973-05-11 | 1973-05-11 | Verfahren zur kontinuierlichen Reinigung von roher Monochloressigsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1411214A true GB1411214A (en) | 1975-10-22 |
Family
ID=5880598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2024274A Expired GB1411214A (en) | 1973-05-11 | 1974-05-08 | Process for purifying monochloroacetic acid |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5030828A (enrdf_load_stackoverflow) |
| BE (1) | BE814923A (enrdf_load_stackoverflow) |
| CA (1) | CA1020170A (enrdf_load_stackoverflow) |
| DE (1) | DE2323777C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2228759B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1411214A (enrdf_load_stackoverflow) |
| IT (1) | IT1012211B (enrdf_load_stackoverflow) |
| NL (1) | NL7406061A (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191118A (en) * | 1989-04-07 | 1993-03-02 | Atochem | Catalytic dehalogenation of alpha-halogenated carboxylic acids/esters |
| US5414116A (en) * | 1992-02-19 | 1995-05-09 | Societe Elf Atochem S.A. | Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid |
| RU2119476C1 (ru) * | 1996-11-28 | 1998-09-27 | Волгоградское открытое акционерное общество "Химпром" | Способ выделения трифторуксусной кислоты из водных реакционных смесей |
| US7030270B2 (en) * | 2001-12-04 | 2006-04-18 | Akzo Nobel N.V. | Process for preparing monochloroacetic acid |
| WO2013057126A1 (en) | 2011-10-20 | 2013-04-25 | Akzo Nobel Chemicals International B.V. | Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid |
| US9505694B2 (en) | 2011-10-20 | 2016-11-29 | Akzo Nobel Chemicals International B.V. | Process for the purification of a liquid feed comprising MCA and DCA |
| US10155714B2 (en) | 2015-03-17 | 2018-12-18 | Akzo Nobel Chemicals International B.V. | Process for the purification of monochloroacetic acid |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844748A (enrdf_load_stackoverflow) * | 1971-05-18 | 1973-06-27 | ||
| FR2582645B1 (fr) * | 1985-05-31 | 1988-09-16 | Rhone Poulenc Spec Chim | Procede de purification de l'acide chloro-2 propionique et/ou de ses esters |
| JPS62296773A (ja) * | 1986-06-16 | 1987-12-24 | Yokogawa Electric Corp | 正弦波コンバ−タ |
| FR2647032B1 (fr) * | 1989-04-07 | 1993-12-10 | Atochem | Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes |
| JP4659056B2 (ja) * | 2008-03-04 | 2011-03-30 | ダイセル化学工業株式会社 | 脱ハロゲン化触媒の製造方法 |
| CN104649887B (zh) * | 2015-02-05 | 2017-05-03 | 中国天辰工程有限公司 | 一种氯乙酸生产方法及回收其生产过程中催化剂的方法 |
-
1973
- 1973-05-11 DE DE19732323777 patent/DE2323777C2/de not_active Expired
-
1974
- 1974-04-30 CA CA198,955A patent/CA1020170A/en not_active Expired
- 1974-05-06 NL NL7406061A patent/NL7406061A/xx not_active Application Discontinuation
- 1974-05-08 GB GB2024274A patent/GB1411214A/en not_active Expired
- 1974-05-09 IT IT2249874A patent/IT1012211B/it active
- 1974-05-10 JP JP5138074A patent/JPS5030828A/ja active Pending
- 1974-05-13 BE BE144229A patent/BE814923A/xx unknown
- 1974-05-13 FR FR7416427A patent/FR2228759B1/fr not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5191118A (en) * | 1989-04-07 | 1993-03-02 | Atochem | Catalytic dehalogenation of alpha-halogenated carboxylic acids/esters |
| US5278122A (en) * | 1989-04-07 | 1994-01-11 | Atochem | Catalyst for dehalogenation of alpha-halogenated carboxylic acids/esters |
| US5414116A (en) * | 1992-02-19 | 1995-05-09 | Societe Elf Atochem S.A. | Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid |
| US5466650A (en) * | 1992-02-19 | 1995-11-14 | Societe Elf Atochem S.A. | Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid |
| RU2119476C1 (ru) * | 1996-11-28 | 1998-09-27 | Волгоградское открытое акционерное общество "Химпром" | Способ выделения трифторуксусной кислоты из водных реакционных смесей |
| US7030270B2 (en) * | 2001-12-04 | 2006-04-18 | Akzo Nobel N.V. | Process for preparing monochloroacetic acid |
| WO2013057126A1 (en) | 2011-10-20 | 2013-04-25 | Akzo Nobel Chemicals International B.V. | Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid |
| US9505694B2 (en) | 2011-10-20 | 2016-11-29 | Akzo Nobel Chemicals International B.V. | Process for the purification of a liquid feed comprising MCA and DCA |
| US9505693B2 (en) | 2011-10-20 | 2016-11-29 | Akzo Nobel Chemicals International B.V. | Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid |
| EP2748139B1 (en) * | 2011-10-20 | 2017-04-26 | Akzo Nobel Chemicals International B.V. | Process for the hydrodechlorination of a liquid feed comprising dichloroacetic acid |
| US10155714B2 (en) | 2015-03-17 | 2018-12-18 | Akzo Nobel Chemicals International B.V. | Process for the purification of monochloroacetic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2323777C2 (de) | 1975-01-16 |
| BE814923A (fr) | 1974-11-13 |
| CA1020170A (en) | 1977-11-01 |
| NL7406061A (enrdf_load_stackoverflow) | 1974-11-13 |
| DE2323777B1 (enrdf_load_stackoverflow) | 1974-06-06 |
| FR2228759B1 (enrdf_load_stackoverflow) | 1978-01-27 |
| FR2228759A1 (enrdf_load_stackoverflow) | 1974-12-06 |
| JPS5030828A (enrdf_load_stackoverflow) | 1975-03-27 |
| IT1012211B (it) | 1977-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |