NO171846C - Fremgangsmaate for gjenvinning av melkesyre fra vandige medier inneholdende denne - Google Patents

Fremgangsmaate for gjenvinning av melkesyre fra vandige medier inneholdende denne

Info

Publication number
NO171846C
NO171846C NO895197A NO895197A NO171846C NO 171846 C NO171846 C NO 171846C NO 895197 A NO895197 A NO 895197A NO 895197 A NO895197 A NO 895197A NO 171846 C NO171846 C NO 171846C
Authority
NO
Norway
Prior art keywords
lactic acid
aqueous
aqueous media
organic
procedure
Prior art date
Application number
NO895197A
Other languages
English (en)
Norwegian (no)
Other versions
NO895197L (no
NO895197D0 (no
NO171846B (no
Inventor
Enrico Dalcanale
Stefanio Bonsignore
Annick Du Vosel
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 NO895197D0 publication Critical patent/NO895197D0/no
Publication of NO895197L publication Critical patent/NO895197L/no
Publication of NO171846B publication Critical patent/NO171846B/no
Publication of NO171846C publication Critical patent/NO171846C/no

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)
NO895197A 1988-12-22 1989-12-21 Fremgangsmaate for gjenvinning av melkesyre fra vandige medier inneholdende denne NO171846C (no)

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 (4)

Publication Number Publication Date
NO895197D0 NO895197D0 (no) 1989-12-21
NO895197L NO895197L (no) 1990-06-25
NO171846B NO171846B (no) 1993-02-01
NO171846C true NO171846C (no) 1993-05-12

Family

ID=11203327

Family Applications (1)

Application Number Title Priority Date Filing Date
NO895197A NO171846C (no) 1988-12-22 1989-12-21 Fremgangsmaate for gjenvinning av melkesyre fra vandige medier inneholdende denne

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
WO2010097681A1 (en) 2009-02-25 2010-09-02 Council Of Scientific & Industrial Research A polybenzimidazole based membrane for deacidification
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
JP2013537541A (ja) 2010-08-19 2013-10-03 コンパニア レフィナドラ ダ アマゾニア 発酵液から高純度の乳酸を得る方法
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
WO2015034036A1 (ja) * 2013-09-06 2015-03-12 東レ株式会社 乳酸およびポリ乳酸の製造方法

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
AU4710889A (en) 1990-06-28
ZA899741B (en) 1990-09-26
NO895197L (no) 1990-06-25
AU623719B2 (en) 1992-05-21
IL92806A0 (en) 1990-09-17
HU202816B (en) 1991-04-29
ES2045477T3 (es) 1994-01-16
SU1836326A3 (en) 1993-08-23
US5089664A (en) 1992-02-18
EP0375463A1 (de) 1990-06-27
HUT52748A (en) 1990-08-28
BR8906651A (pt) 1990-09-11
DE68909573T2 (de) 1994-01-27
IT1227895B (it) 1991-05-14
CA2005921A1 (en) 1990-06-22
NO895197D0 (no) 1989-12-21
DE68909573D1 (de) 1993-11-04
NO171846B (no) 1993-02-01
EP0375463B1 (de) 1993-09-29
ATE95160T1 (de) 1993-10-15
IT8823057A0 (it) 1988-12-22
HU896724D0 (en) 1990-03-28
JPH02221243A (ja) 1990-09-04

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