CH516500A - Process for separating, by esterification and extraction, organic acids contained in an aqueous solution - Google Patents

Process for separating, by esterification and extraction, organic acids contained in an aqueous solution

Info

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
Application number
CH1519769A
Other languages
French (fr)
Inventor
Stewart Mims Samuel
Original Assignee
El Paso Products Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US04/766,476 external-priority patent/US4076948A/en
Application filed by El Paso Products Co filed Critical El Paso Products Co
Publication of CH516500A publication Critical patent/CH516500A/en

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)
CH1519769A 1968-10-10 1969-10-09 Process for separating, by esterification and extraction, organic acids contained in an aqueous solution CH516500A (en)

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 (en) 1971-12-15

Family

ID=27117750

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1519769A CH516500A (en) 1968-10-10 1969-10-09 Process for separating, by esterification and extraction, organic acids contained in an aqueous solution

Country Status (11)

Country Link
AT (1) AT297038B (en)
BE (1) BE739957A (en)
CH (1) CH516500A (en)
DE (1) DE1951299C3 (en)
FR (1) FR2020339A1 (en)
GB (1) GB1282926A (en)
IE (1) IE33399B1 (en)
LU (1) LU59601A1 (en)
NL (1) NL6915365A (en)
NO (1) NO133800C (en)
SE (1) SE368193B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484405A1 (en) * 1980-06-11 1981-12-18 Velsicol Chemical Corp PROCESS FOR THE PREPARATION OF 2-METHOXY-3, 6-DICHLOROBENZOIC ACID WITH A PURITY OF MORE THAN 95% BY WEIGHT

Families Citing this family (11)

* Cited by examiner, † Cited by third party
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 (en) * 2008-10-01 2010-04-08 Basf Se Method for producing polycarboxylic acid alkyl esters
FR2957075B1 (en) * 2010-03-04 2012-06-22 Centre Nat Rech Scient METHOD FOR OBTAINING BIOSOLVANT COMPOSITIONS BY ESTERIFICATION AND OBTAINED BIOSOLVANT COMPOSITIONS
CN104066705B (en) 2011-11-23 2016-12-07 Gf生化有限公司 The method preparing levulic acid
US9073841B2 (en) 2012-11-05 2015-07-07 Segetis, Inc. Process to prepare levulinic acid
WO2014125027A1 (en) * 2013-02-14 2014-08-21 Purac Biochem Bv Method for manufacturing succinic acid esters
CN112441915A (en) * 2019-09-04 2021-03-05 中国石油化工股份有限公司 Method for treating crystallization mother liquor in adipic acid crystallization refining process
CN114436843B (en) * 2020-11-04 2024-07-26 长沙资材科技有限公司 Method for continuously producing dimethyl adipate from cyclohexane
CN114717056B (en) * 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 Method for acid-catalyzed methyl esterification of grease

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484405A1 (en) * 1980-06-11 1981-12-18 Velsicol Chemical Corp PROCESS FOR THE PREPARATION OF 2-METHOXY-3, 6-DICHLOROBENZOIC ACID WITH A PURITY OF MORE THAN 95% BY WEIGHT

Also Published As

Publication number Publication date
AT297038B (en) 1972-03-10
SE368193B (en) 1974-06-24
FR2020339A1 (en) 1970-07-10
IE33399B1 (en) 1974-06-12
DE1951299A1 (en) 1970-04-16
NO133800B (en) 1976-03-22
NL6915365A (en) 1970-04-14
NO133800C (en) 1976-07-07
LU59601A1 (en) 1970-01-09
DE1951299C3 (en) 1981-05-14
DE1951299B2 (en) 1973-11-15
BE739957A (en) 1970-03-16
GB1282926A (en) 1972-07-26
IE33399L (en) 1970-04-10

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Legal Events

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PL Patent ceased