ZA899741B - Process for recovering lactic acid from solutions which contain it - Google Patents

Process for recovering lactic acid from solutions which contain it

Info

Publication number
ZA899741B
ZA899741B ZA899741A ZA899741A ZA899741B ZA 899741 B ZA899741 B ZA 899741B ZA 899741 A ZA899741 A ZA 899741A ZA 899741 A ZA899741 A ZA 899741A ZA 899741 B ZA899741 B ZA 899741B
Authority
ZA
South Africa
Prior art keywords
lactic acid
aqueous
contain
organic
octol
Prior art date
Application number
ZA899741A
Other languages
English (en)
Inventor
Enrico Dalcanale
Dalcanale Enrico
Stefanio Bonsignore
Bonsignore Stefanio
Annick Du Vosel
Du Vosel Annick
Original Assignee
Donegani Guido Ist
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 Donegani Guido Ist filed Critical Donegani Guido Ist
Publication of ZA899741B publication Critical patent/ZA899741B/xx

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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
ZA899741A 1988-12-22 1989-12-19 Process for recovering lactic acid from solutions which contain it ZA899741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8823057A IT1227895B (it) 1988-12-22 1988-12-22 Processo per il recupero di acido lattico da soluzioni che lo contengono

Publications (1)

Publication Number Publication Date
ZA899741B true ZA899741B (en) 1990-09-26

Family

ID=11203327

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA899741A ZA899741B (en) 1988-12-22 1989-12-19 Process for recovering lactic acid from solutions which contain it

Country Status (15)

Country Link
US (1) US5089664A (de)
EP (1) EP0375463B1 (de)
JP (1) JPH02221243A (de)
AT (1) ATE95160T1 (de)
AU (1) AU623719B2 (de)
BR (1) BR8906651A (de)
CA (1) CA2005921A1 (de)
DE (1) DE68909573T2 (de)
ES (1) ES2045477T3 (de)
HU (1) HU202816B (de)
IL (1) IL92806A0 (de)
IT (1) IT1227895B (de)
NO (1) NO171846C (de)
SU (1) SU1836326A3 (de)
ZA (1) ZA899741B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426219A (en) * 1993-07-26 1995-06-20 A.E. Staley Manufacturing Co. Process for recovering organic acids
US5766439A (en) * 1996-10-10 1998-06-16 A. E. Staley Manufacturing Co. Production and recovery of organic acids
US6153791A (en) * 1999-08-02 2000-11-28 Archer-Daniels-Midland Company Process for purifying 2-keto-L-gulonic acid
US6509179B1 (en) 2000-10-12 2003-01-21 Barbara I. Veldhuis-Stribos Continuous process for preparing lactic acid
CN102196856B (zh) 2009-02-25 2016-05-11 科学与工业研究委员会 用于脱酸的基于聚苯并咪唑的膜
US8859808B2 (en) 2010-08-19 2014-10-14 Paulo Yoshida Method for obtaining lactic acid with a high degree of purity from fermentative liquor
WO2012021956A1 (pt) * 2010-08-19 2012-02-23 Companhia Refinadora Da Amazônia Processo de obtenção de ácido lático com elevado grau de pureza a partir de licor fermentativo
CN102659563B (zh) * 2012-03-06 2014-09-17 河南金丹乳酸科技股份有限公司 从重相乳酸中提取乳酸的有机萃取相
CN102643191B (zh) * 2012-03-28 2014-08-06 河南金丹乳酸科技股份有限公司 重相乳酸处理工艺
RU2675823C2 (ru) * 2013-09-06 2018-12-25 Торэй Индастриз, Инк. Способ получения молочной кислоты и полимолочной кислоты

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1906068A (en) * 1931-03-02 1933-04-25 Grasselli Chemical Co Lactic acid
US2092494A (en) * 1933-12-09 1937-09-07 Dow Chemical Co Purification of alpha-hydroxy-aliphatic acids
DE1468126A1 (de) * 1962-04-26 1968-12-05 Knapsack Ag Verfahren zur kontinuierlichen Gewinnung,Reinigung und Isolierung von Milchsaeure
US3980702A (en) * 1974-05-06 1976-09-14 The Dow Chemical Company Extraction of carboxylic acids from dilute aqueous solutions
DE3415141A1 (de) * 1984-04-21 1985-10-31 Basf Ag, 6700 Ludwigshafen Verfahren zur isolierung von milchsaeure aus feststoffhaltigen waessrigen loesungen

Also Published As

Publication number Publication date
DE68909573D1 (de) 1993-11-04
EP0375463A1 (de) 1990-06-27
AU623719B2 (en) 1992-05-21
CA2005921A1 (en) 1990-06-22
NO171846C (no) 1993-05-12
IT8823057A0 (it) 1988-12-22
ES2045477T3 (es) 1994-01-16
BR8906651A (pt) 1990-09-11
HUT52748A (en) 1990-08-28
AU4710889A (en) 1990-06-28
SU1836326A3 (en) 1993-08-23
NO895197L (no) 1990-06-25
JPH02221243A (ja) 1990-09-04
IT1227895B (it) 1991-05-14
HU896724D0 (en) 1990-03-28
NO895197D0 (no) 1989-12-21
DE68909573T2 (de) 1994-01-27
IL92806A0 (en) 1990-09-17
NO171846B (no) 1993-02-01
US5089664A (en) 1992-02-18
HU202816B (en) 1991-04-29
EP0375463B1 (de) 1993-09-29
ATE95160T1 (de) 1993-10-15

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