GB1294432A - Purification of carboxylic acid streams - Google Patents
Purification of carboxylic acid streamsInfo
- Publication number
- GB1294432A GB1294432A GB1071371A GB1071371A GB1294432A GB 1294432 A GB1294432 A GB 1294432A GB 1071371 A GB1071371 A GB 1071371A GB 1071371 A GB1071371 A GB 1071371A GB 1294432 A GB1294432 A GB 1294432A
- Authority
- GB
- United Kingdom
- Prior art keywords
- halogen
- distillation zone
- purification
- acid
- carboxylic acid
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3117970A | 1970-04-23 | 1970-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1294432A true GB1294432A (en) | 1972-10-25 |
Family
ID=21858039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1071371A Expired GB1294432A (en) | 1970-04-23 | 1971-04-22 | Purification of carboxylic acid streams |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5620292B1 (zh) |
BE (1) | BE766099A (zh) |
CA (1) | CA952852A (zh) |
DE (1) | DE2119744A1 (zh) |
FR (1) | FR2090559A5 (zh) |
GB (1) | GB1294432A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227520A (en) * | 1991-10-02 | 1993-07-13 | Bp Chemicals Limited | Process for the purification of carboxylic acids and/or their anyhdrides |
EP0696565A1 (en) | 1994-08-12 | 1996-02-14 | Daicel Chemical Industries, Ltd. | Method of purifying acetic acid |
US6140535A (en) * | 1996-12-19 | 2000-10-31 | Bp Chemicals Limited | Iridium-catalyzed carbonylation process for the production of acetic acid |
US20120067715A1 (en) * | 2009-05-20 | 2012-03-22 | Basf Se | Method for purifying carboxylic acids containing halogen compounds |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE791577A (fr) * | 1971-11-19 | 1973-05-17 | Monsanto Co | Purification de courants d'acide carboxylique |
US4029553A (en) * | 1975-07-28 | 1977-06-14 | Monsanto Company | Purification of acetic acid streams by distillation |
US4039395A (en) * | 1975-08-11 | 1977-08-02 | Monsanto Company | Purification of acetic acid |
JPS5870684U (ja) * | 1981-11-07 | 1983-05-13 | 松下電工株式会社 | 接続器 |
GB9106298D0 (en) * | 1991-03-25 | 1991-05-08 | Bp Chem Int Ltd | Process |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE364254B (zh) * | 1967-04-05 | 1974-02-18 | Monsanto Co |
-
1971
- 1971-04-22 FR FR7114336A patent/FR2090559A5/fr not_active Expired
- 1971-04-22 DE DE19712119744 patent/DE2119744A1/de active Pending
- 1971-04-22 CA CA111,123A patent/CA952852A/en not_active Expired
- 1971-04-22 GB GB1071371A patent/GB1294432A/en not_active Expired
- 1971-04-22 JP JP2575571A patent/JPS5620292B1/ja active Pending
- 1971-04-22 BE BE766099A patent/BE766099A/xx unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227520A (en) * | 1991-10-02 | 1993-07-13 | Bp Chemicals Limited | Process for the purification of carboxylic acids and/or their anyhdrides |
EP0696565A1 (en) | 1994-08-12 | 1996-02-14 | Daicel Chemical Industries, Ltd. | Method of purifying acetic acid |
US5916422A (en) * | 1994-08-12 | 1999-06-29 | Daicel Chemical Industries, Ltd. | Method of purifying acetic acid |
SG81845A1 (en) * | 1994-08-12 | 2001-07-24 | Daicel Chem | Method of purifying acetic acid |
US6140535A (en) * | 1996-12-19 | 2000-10-31 | Bp Chemicals Limited | Iridium-catalyzed carbonylation process for the production of acetic acid |
US20120067715A1 (en) * | 2009-05-20 | 2012-03-22 | Basf Se | Method for purifying carboxylic acids containing halogen compounds |
Also Published As
Publication number | Publication date |
---|---|
DE2119744A1 (zh) | 1971-11-04 |
CA952852A (en) | 1974-08-13 |
JPS5620292B1 (zh) | 1981-05-13 |
BE766099A (fr) | 1971-10-22 |
FR2090559A5 (zh) | 1972-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |