PT932594E - Processo para a recuperacao de acido lactico - Google Patents

Processo para a recuperacao de acido lactico

Info

Publication number
PT932594E
PT932594E PT97911613T PT97911613T PT932594E PT 932594 E PT932594 E PT 932594E PT 97911613 T PT97911613 T PT 97911613T PT 97911613 T PT97911613 T PT 97911613T PT 932594 E PT932594 E PT 932594E
Authority
PT
Portugal
Prior art keywords
lactic acid
moiety
anion exchanger
recovery
feed solution
Prior art date
Application number
PT97911613T
Other languages
English (en)
Inventor
Patrick Richard Gruber
Aharon Meir Eyal
Paul Mcwilliams
David R Witzke
Original Assignee
Cargill Inc
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 Cargill Inc filed Critical Cargill Inc
Publication of PT932594E publication Critical patent/PT932594E/pt

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
    • C07C51/48—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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
PT97911613T 1996-10-09 1997-10-02 Processo para a recuperacao de acido lactico PT932594E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL11938896A IL119388A (en) 1996-10-09 1996-10-09 Process for the preparation of lactic acid and its esters or amides using an anion exchanger

Publications (1)

Publication Number Publication Date
PT932594E true PT932594E (pt) 2002-11-29

Family

ID=11069360

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97911613T PT932594E (pt) 1996-10-09 1997-10-02 Processo para a recuperacao de acido lactico

Country Status (10)

Country Link
EP (1) EP0932594B1 (pt)
AT (1) ATE221042T1 (pt)
AU (1) AU4893797A (pt)
BR (1) BR9712224A (pt)
DE (1) DE69714278T2 (pt)
DK (1) DK0932594T3 (pt)
ES (1) ES2180952T3 (pt)
IL (1) IL119388A (pt)
PT (1) PT932594E (pt)
WO (1) WO1998015519A2 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6475759B1 (en) 1997-10-14 2002-11-05 Cargill, Inc. Low PH lactic acid fermentation
US6229046B1 (en) 1997-10-14 2001-05-08 Cargill, Incorported Lactic acid processing methods arrangements and products
EP1059975A4 (en) * 1998-03-02 2003-04-23 Michigan Biotech Inst PURIFICATION OF ORGANIC ACIDS WITH ANIONIC REPLACEMENT CHROMATOGRAPHY
NL2009377C2 (en) * 2012-08-28 2014-03-03 Univ Delft Tech Ester formation.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252473A (en) * 1990-01-23 1993-10-12 Battelle Memorial Institute Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid
US5132456A (en) * 1991-05-07 1992-07-21 The Regents Of The University Of California Sorption of carboxylic acid from carboxylic salt solutions at PHS close to or above the pKa of the acid, with regeneration with an aqueous solution of ammonia or low-molecular-weight alkylamine
FR2677354B1 (fr) * 1991-06-05 1993-09-03 Rhone Poulenc Chimie Procede pour la preparation d'esters d'acides racemisables.
JPH07258154A (ja) * 1994-03-25 1995-10-09 Nitto Chem Ind Co Ltd 乳酸エステルの製法
IL117232A0 (en) * 1996-02-22 1996-06-18 Yissum Res Dev Co A process for the production of an ester or polyester of carboxylic acid from a concentrated fermentation liquor

Also Published As

Publication number Publication date
WO1998015519A2 (en) 1998-04-16
EP0932594B1 (en) 2002-07-24
IL119388A0 (en) 1997-01-10
DE69714278T2 (de) 2003-02-13
DE69714278D1 (de) 2002-08-29
IL119388A (en) 2000-07-16
ES2180952T3 (es) 2003-02-16
EP0932594A2 (en) 1999-08-04
ATE221042T1 (de) 2002-08-15
DK0932594T3 (da) 2002-10-14
WO1998015519A3 (en) 1998-07-02
BR9712224A (pt) 2002-03-05
AU4893797A (en) 1998-05-05

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