GB1293774A - Purification of carboxylic acids - Google Patents

Purification of carboxylic acids

Info

Publication number
GB1293774A
GB1293774A GB2078/71A GB207871A GB1293774A GB 1293774 A GB1293774 A GB 1293774A GB 2078/71 A GB2078/71 A GB 2078/71A GB 207871 A GB207871 A GB 207871A GB 1293774 A GB1293774 A GB 1293774A
Authority
GB
United Kingdom
Prior art keywords
purification
potassium
carboxylic acid
acid
dichromate
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
Application number
GB2078/71A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Monsanto 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
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of GB1293774A publication Critical patent/GB1293774A/en
Expired legal-status Critical Current

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
    • C07C51/487—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)
GB2078/71A 1970-02-02 1971-04-19 Purification of carboxylic acids Expired GB1293774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US807970A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1293774A true GB1293774A (en) 1972-10-25

Family

ID=21729692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2078/71A Expired GB1293774A (en) 1970-02-02 1971-04-19 Purification of carboxylic acids

Country Status (5)

Country Link
US (1) US3709795A (enExample)
BE (1) BE762644A (enExample)
DE (1) DE2104828C3 (enExample)
FR (1) FR2078074A5 (enExample)
GB (1) GB1293774A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387713A (en) * 1991-01-05 1995-02-07 Bp Chemicals Limited Process for purification of carboxylic acids
CN110072836A (zh) * 2016-12-19 2019-07-30 沙特基础工业全球技术有限公司 纯化乙酸的方法
CN116606203A (zh) * 2023-05-23 2023-08-18 生工生物工程（上海）股份有限公司 一种提高乙酸纯度的方法

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791577A (fr) * 1971-11-19 1973-05-17 Monsanto Co Purification de courants d'acide carboxylique
DE3329781A1 (de) * 1983-08-18 1985-02-28 Hoechst Ag, 6230 Frankfurt Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbonylierung von dimethylether, methylacetat oder methanol erhaltenen carbonylierungsprodukten
DE3612504A1 (de) * 1985-09-30 1987-04-09 Hoechst Ag Verfahren zur abtrennung von jod und dessen verbindungen aus den bei der carbbonylierung von dimethylether, methylacetat oder methanol erhaltenden carbonylierungsprodukten
GB8822661D0 (en) 1988-09-27 1988-11-02 Bp Chem Int Ltd Removal of iodine/iodide impurities
FR2680980A1 (fr) * 1991-09-09 1993-03-12 Commissariat Energie Atomique Procede de traitement d'une solution contenant de l'acide acetique en presence d'halogenes.
GB9120902D0 (en) * 1991-10-02 1991-11-13 Bp Chem Int Ltd Purification process
DE4140082A1 (de) * 1991-12-05 1993-06-09 Hoechst Ag, 6230 Frankfurt, De Verfahren zur reinigung von abfallessigsaeure
DE4213154C1 (enExample) * 1992-04-22 1993-06-17 Hoechst Ag, 6230 Frankfurt, De
DE4327011A1 (de) * 1993-08-12 1995-02-16 Hoechst Ag Verfahren zur Entfernung von Aldehyden und Acetalen aus technisch hergestellter Essigsäure
EP1700869A1 (en) * 2005-03-11 2006-09-13 3M Innovative Properties Company Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups
WO2008101137A1 (en) * 2007-02-16 2008-08-21 3M Innovative Properties Company System and process for the removal of fluorochemicals from water
US8575403B2 (en) 2010-05-07 2013-11-05 Celanese International Corporation Hydrolysis of ethyl acetate in ethanol separation process
US8704008B2 (en) 2010-07-09 2014-04-22 Celanese International Corporation Process for producing ethanol using a stacked bed reactor
US9272970B2 (en) 2010-07-09 2016-03-01 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
US8664454B2 (en) 2010-07-09 2014-03-04 Celanese International Corporation Process for production of ethanol using a mixed feed using copper containing catalyst
US8710279B2 (en) 2010-07-09 2014-04-29 Celanese International Corporation Hydrogenolysis of ethyl acetate in alcohol separation processes
US8754268B2 (en) 2011-04-26 2014-06-17 Celanese International Corporation Process for removing water from alcohol mixtures
TW201302684A (zh) 2011-04-26 2013-01-16 Celanese Int Corp 由醋酸進料及再循環醋酸乙酯進料生產乙醇之製程
US8592635B2 (en) 2011-04-26 2013-11-26 Celanese International Corporation Integrated ethanol production by extracting halides from acetic acid
US9073816B2 (en) 2011-04-26 2015-07-07 Celanese International Corporation Reducing ethyl acetate concentration in recycle streams for ethanol production processes
US8895786B2 (en) 2011-08-03 2014-11-25 Celanese International Corporation Processes for increasing alcohol production
US8686201B2 (en) 2011-11-09 2014-04-01 Celanese International Corporation Integrated acid and alcohol production process having flashing to recover acid production catalyst
US8614359B2 (en) 2011-11-09 2013-12-24 Celanese International Corporation Integrated acid and alcohol production process
CA2976310A1 (en) * 2015-02-25 2016-09-01 Sabic Global Technologies B.V. Process for removing impurities from acetic acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387713A (en) * 1991-01-05 1995-02-07 Bp Chemicals Limited Process for purification of carboxylic acids
CN110072836A (zh) * 2016-12-19 2019-07-30 沙特基础工业全球技术有限公司 纯化乙酸的方法
CN116606203A (zh) * 2023-05-23 2023-08-18 生工生物工程（上海）股份有限公司 一种提高乙酸纯度的方法

Also Published As

Publication number Publication date
DE2104828C3 (de) 1980-06-26
DE2104828A1 (de) 1971-08-19
FR2078074A5 (enExample) 1971-11-05
BE762644A (fr) 1971-08-09
US3709795A (en) 1973-01-09
DE2104828B2 (de) 1979-10-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years