BE810280A - Purification de l'acide hydroxyacetique - Google Patents

Purification de l'acide hydroxyacetique

Info

Publication number
BE810280A
BE810280A BE140274A BE140274A BE810280A BE 810280 A BE810280 A BE 810280A BE 140274 A BE140274 A BE 140274A BE 140274 A BE140274 A BE 140274A BE 810280 A BE810280 A BE 810280A
Authority
BE
Belgium
Prior art keywords
purification
hydroxyacetic acid
hydroxyacetic
acid
Prior art date
Application number
BE140274A
Other languages
English (en)
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 filed Critical
Publication of BE810280A publication Critical patent/BE810280A/fr

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
    • 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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE140274A 1973-02-15 1974-01-29 Purification de l'acide hydroxyacetique BE810280A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US332578A US3859349A (en) 1973-02-15 1973-02-15 Purification of hydroxyacetic acid

Publications (1)

Publication Number Publication Date
BE810280A true BE810280A (fr) 1974-07-29

Family

ID=23298857

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140274A BE810280A (fr) 1973-02-15 1974-01-29 Purification de l'acide hydroxyacetique

Country Status (7)

Country Link
US (1) US3859349A (fr)
JP (1) JPS49124025A (fr)
BE (1) BE810280A (fr)
FR (1) FR2217307B3 (fr)
GB (1) GB1429591A (fr)
IT (1) IT1002937B (fr)
NL (1) NL7401188A (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3118953A1 (de) * 1981-05-13 1982-12-09 Hoechst Ag, 6000 Frankfurt Verfahren zur reingung von wasser, salze glykolationen und organische loesemittel enthaltenden gemischen und die verwendung des verfahrens bei der herstellung von natriumcarboxymethylgruppen aufweisenden polysaccharidethern
JPS63264548A (ja) * 1987-04-22 1988-11-01 Mitsui Toatsu Chem Inc 乳酸の精製方法
DE69119234T2 (de) * 1990-09-20 1996-11-28 Du Pont Verfahren zur herstellung von reiner hydroxyessigsäure
US5434301A (en) * 1993-09-01 1995-07-18 Henkel Corporation Methods for recovery of acids
JPH09286748A (ja) * 1996-04-19 1997-11-04 Dalian Chem Ind Co Ltd アルコール水溶液の脱水精製方法
TW200407300A (en) * 2002-07-12 2004-05-16 Nippon Catalytic Chem Ind Process for producing diol derivative
US20050209328A1 (en) * 2004-03-19 2005-09-22 Allgood Charles C Alphahydroxyacids with ultra-low metal concentration
CN101277920B (zh) * 2005-10-26 2013-06-19 三井化学株式会社 乙醇酸的制备方法
JP4901293B2 (ja) * 2006-04-28 2012-03-21 旭化成ケミカルズ株式会社 バイオ法グリコール酸水溶液又はグリコール酸アンモニウム水溶液の脱色方法
US9227896B2 (en) 2010-08-18 2016-01-05 Eastman Chemical Company Process for the separation and purification of a mixed diol stream
US8829248B2 (en) 2010-08-18 2014-09-09 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US8466328B2 (en) 2010-08-18 2013-06-18 Eastman Chemical Company Method for recovery and recycle of ruthenium homogeneous catalysts
US8785686B2 (en) 2010-09-23 2014-07-22 Eastman Chemical Company Process for recovering and recycling an acid catalyst
US8709376B2 (en) 2010-09-23 2014-04-29 Eastman Chemical Company Process for recovering and recycling an acid catalyst
EP2831040A1 (fr) 2012-03-27 2015-02-04 Eastman Chemical Company Processus de récupération et de recyclage d'un catalyseur acide
US8829234B2 (en) 2012-03-27 2014-09-09 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and heterogeneous catalyst
US8703999B2 (en) 2012-03-27 2014-04-22 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
US8927766B2 (en) 2012-03-27 2015-01-06 Eastman Chemical Company Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
US8765999B2 (en) 2012-03-27 2014-07-01 Eastman Chemical Company Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
US9114328B2 (en) 2012-05-16 2015-08-25 Eastman Chemical Company Reactive distillation of a carboxylic acid and a glycol
US9040748B2 (en) 2012-06-08 2015-05-26 Eastman Chemical Company Hydrocarboxylation of aqueous formaldehyde using a dehydrating recycle stream to decrease water concentration
GB201615762D0 (en) * 2016-09-16 2016-11-02 Johnson Matthey Davy Technologies Ltd Process
CN111635302B (zh) * 2020-07-08 2021-06-15 江南大学 一种多柱连续色谱除盐以纯化羟基乙酸的方法
CN112174808A (zh) * 2020-10-30 2021-01-05 河北金谷再生资源开发有限公司 一种乙醇酸脱盐装置及脱盐工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202705A (en) * 1960-05-26 1965-08-24 American Maize Prod Co Process for producing color stable lactic acid

Also Published As

Publication number Publication date
US3859349A (en) 1975-01-07
JPS49124025A (fr) 1974-11-27
FR2217307A1 (fr) 1974-09-06
NL7401188A (fr) 1974-08-19
FR2217307B3 (fr) 1976-11-26
IT1002937B (it) 1976-05-20
GB1429591A (en) 1976-03-24

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