ATE254592T1 - Ein verfahren zur rückgewinnung von säure - Google Patents

Ein verfahren zur rückgewinnung von säure

Info

Publication number
ATE254592T1
ATE254592T1 AT00960955T AT00960955T ATE254592T1 AT E254592 T1 ATE254592 T1 AT E254592T1 AT 00960955 T AT00960955 T AT 00960955T AT 00960955 T AT00960955 T AT 00960955T AT E254592 T1 ATE254592 T1 AT E254592T1
Authority
AT
Austria
Prior art keywords
acid
extract
carboxylic acid
derivative
aqueous solution
Prior art date
Application number
AT00960955T
Other languages
English (en)
Inventor
Avraham Baniel
Original Assignee
Staley Mfg Co A E
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 Staley Mfg Co A E filed Critical Staley Mfg Co A E
Application granted granted Critical
Publication of ATE254592T1 publication Critical patent/ATE254592T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic 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
    • C07C51/48—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
    • C07C51/487—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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Saccharide Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
AT00960955T 1999-10-08 2000-09-17 Ein verfahren zur rückgewinnung von säure ATE254592T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL13228999A IL132289A (en) 1999-10-08 1999-10-08 Process for conversion of an extracted carboxylic acid to a non-ionized product
PCT/IL2000/000573 WO2001027063A1 (en) 1999-10-08 2000-09-17 A process for recovery of acid

Publications (1)

Publication Number Publication Date
ATE254592T1 true ATE254592T1 (de) 2003-12-15

Family

ID=11073314

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00960955T ATE254592T1 (de) 1999-10-08 2000-09-17 Ein verfahren zur rückgewinnung von säure

Country Status (10)

Country Link
US (1) US6627768B1 (de)
EP (1) EP1218330B1 (de)
JP (1) JP2003511433A (de)
AT (1) ATE254592T1 (de)
AU (1) AU7310200A (de)
CA (1) CA2386852C (de)
DE (1) DE60006702T2 (de)
ES (1) ES2209978T3 (de)
IL (1) IL132289A (de)
WO (1) WO2001027063A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006124899A2 (en) * 2005-05-13 2006-11-23 Cargill, Incorporated Production of derivatives of lactide, production of lactides, and use of lactide in foods and to produce polymers
JPWO2009110384A1 (ja) * 2008-03-03 2011-07-14 昭和電工株式会社 水中の有機物回収方法及び装置
CN101977664B (zh) * 2008-03-20 2014-02-26 塔特和莱利技术有限公司 从叔酰胺溶剂中去除酸
FI20106311A (fi) 2010-12-10 2012-06-11 Kemira Oyj Menetelmä orgaanisen hapon talteenottamiseksi laimeasta vesiliuoksesta

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL39710A (en) * 1972-06-19 1975-04-25 Imi Inst For Res & Dev Recovery of acids from aqueous solutions by solvent extraction
US4334095A (en) * 1980-10-06 1982-06-08 Miles Laboratories, Inc. Extraction of organic acids from aqueous solutions
US5231225A (en) * 1989-12-11 1993-07-27 Innova S.A. Concurrent production of citric acid and alkali citrates
US4994609A (en) * 1990-06-06 1991-02-19 Innova S.A. Production of citric acid
US5332839A (en) * 1990-09-18 1994-07-26 Biopak Technology, Ltd. Catalytic production of lactide directly from lactic acid
US5420304A (en) * 1992-03-19 1995-05-30 Biopak Technology, Ltd. Method to produce cyclic esters
JP3502419B2 (ja) * 1993-03-02 2004-03-02 株式会社武蔵野化学研究所 乳酸および乳酸エステルの製造方法
US5510526A (en) 1993-06-29 1996-04-23 Cargill, Incorporated Lactic acid production, separation and/or recovery process

Also Published As

Publication number Publication date
US6627768B1 (en) 2003-09-30
AU7310200A (en) 2001-04-23
CA2386852A1 (en) 2001-04-19
DE60006702D1 (de) 2003-12-24
ES2209978T3 (es) 2004-07-01
DE60006702T2 (de) 2004-09-30
CA2386852C (en) 2008-07-29
EP1218330A1 (de) 2002-07-03
WO2001027063A1 (en) 2001-04-19
IL132289A (en) 2003-12-10
IL132289A0 (en) 2001-03-19
JP2003511433A (ja) 2003-03-25
EP1218330B1 (de) 2003-11-19

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