CH516500A - Procédé pour séparer, par estérification et extraction, des acides organiques contenus dans une solution aqueuse - Google Patents
Procédé pour séparer, par estérification et extraction, des acides organiques contenus dans une solution aqueuseInfo
- Publication number
- CH516500A CH516500A CH1519769A CH1519769A CH516500A CH 516500 A CH516500 A CH 516500A CH 1519769 A CH1519769 A CH 1519769A CH 1519769 A CH1519769 A CH 1519769A CH 516500 A CH516500 A CH 516500A
- Authority
- CH
- Switzerland
- Prior art keywords
- esterification
- extraction
- separating
- aqueous solution
- organic acids
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/316—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with oxides of nitrogen or nitrogen-containing mineral acids
-
- 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
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US04/766,476 US4076948A (en) | 1968-10-10 | 1968-10-10 | Process for treatment of adipic acid mother liquor |
US04/851,445 US4082788A (en) | 1968-10-10 | 1969-08-19 | Esterification and extraction process |
Publications (1)
Publication Number | Publication Date |
---|---|
CH516500A true CH516500A (fr) | 1971-12-15 |
Family
ID=27117750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1519769A CH516500A (fr) | 1968-10-10 | 1969-10-09 | Procédé pour séparer, par estérification et extraction, des acides organiques contenus dans une solution aqueuse |
Country Status (11)
Country | Link |
---|---|
AT (1) | AT297038B (xx) |
BE (1) | BE739957A (xx) |
CH (1) | CH516500A (xx) |
DE (1) | DE1951299C3 (xx) |
FR (1) | FR2020339A1 (xx) |
GB (1) | GB1282926A (xx) |
IE (1) | IE33399B1 (xx) |
LU (1) | LU59601A1 (xx) |
NL (1) | NL6915365A (xx) |
NO (1) | NO133800C (xx) |
SE (1) | SE368193B (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484405A1 (fr) * | 1980-06-11 | 1981-12-18 | Velsicol Chemical Corp | Procede de preparation d'acide 2-methoxy-3, 6-dichlorobenzoique a purete de plus de 95 % en poids |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3384097A (en) * | 1996-06-10 | 1998-01-07 | Renewable Energy Development Corporation | Methods for synthesis of high purity carboxylic and fatty acids |
US7378549B2 (en) | 2004-01-26 | 2008-05-27 | Shell Oil Company | Process for the reactive extractive extraction of levulinic acid |
US7501062B2 (en) * | 2005-02-22 | 2009-03-10 | Shell Oil Company | Process for permeation enhanced reactive extraction of levulinic acid |
WO2010037807A1 (de) * | 2008-10-01 | 2010-04-08 | Basf Se | Verfahren zur herstellung von polycarbonsäurealkylestern |
FR2957075B1 (fr) * | 2010-03-04 | 2012-06-22 | Centre Nat Rech Scient | Procede d'obtention de compositions de biosolvants par esterification et compositions de biosolvants obtenues |
AU2012340636A1 (en) | 2011-11-23 | 2014-07-10 | Gfbiochemicals Limited | Process to prepare levulinic acid |
US9073841B2 (en) | 2012-11-05 | 2015-07-07 | Segetis, Inc. | Process to prepare levulinic acid |
CN105026357B (zh) * | 2013-02-14 | 2017-07-18 | 普拉克生化公司 | 制备乳酸甲酯的方法 |
CN112441915A (zh) * | 2019-09-04 | 2021-03-05 | 中国石油化工股份有限公司 | 己二酸结晶精制工艺中结晶母液的处理方法 |
CN114436843A (zh) * | 2020-11-04 | 2022-05-06 | 长沙资材科技有限公司 | 一种环己烷连续生产己二酸二甲酯的方法 |
CN114717056B (zh) * | 2022-04-25 | 2023-07-18 | 广东省农业科学院农业质量标准与监测技术研究所 | 一种酸催化油脂甲酯化的方法 |
-
1969
- 1969-10-07 IE IE138569A patent/IE33399B1/xx unknown
- 1969-10-07 GB GB4925569A patent/GB1282926A/en not_active Expired
- 1969-10-08 BE BE739957D patent/BE739957A/xx not_active IP Right Cessation
- 1969-10-09 NO NO403069A patent/NO133800C/no unknown
- 1969-10-09 LU LU59601D patent/LU59601A1/xx unknown
- 1969-10-09 SE SE1390169A patent/SE368193B/xx unknown
- 1969-10-09 CH CH1519769A patent/CH516500A/fr not_active IP Right Cessation
- 1969-10-09 AT AT952169A patent/AT297038B/de not_active IP Right Cessation
- 1969-10-10 NL NL6915365A patent/NL6915365A/xx unknown
- 1969-10-10 FR FR6934713A patent/FR2020339A1/fr not_active Withdrawn
- 1969-10-10 DE DE19691951299 patent/DE1951299C3/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2484405A1 (fr) * | 1980-06-11 | 1981-12-18 | Velsicol Chemical Corp | Procede de preparation d'acide 2-methoxy-3, 6-dichlorobenzoique a purete de plus de 95 % en poids |
Also Published As
Publication number | Publication date |
---|---|
NL6915365A (xx) | 1970-04-14 |
NO133800B (xx) | 1976-03-22 |
LU59601A1 (xx) | 1970-01-09 |
AT297038B (de) | 1972-03-10 |
IE33399B1 (en) | 1974-06-12 |
NO133800C (xx) | 1976-07-07 |
GB1282926A (en) | 1972-07-26 |
DE1951299A1 (de) | 1970-04-16 |
BE739957A (xx) | 1970-03-16 |
IE33399L (en) | 1970-04-10 |
DE1951299B2 (de) | 1973-11-15 |
FR2020339A1 (xx) | 1970-07-10 |
SE368193B (xx) | 1974-06-24 |
DE1951299C3 (de) | 1981-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |