IT1227895B - Processo per il recupero di acido lattico da soluzioni che lo contengono - Google Patents
Processo per il recupero di acido lattico da soluzioni che lo contengonoInfo
- Publication number
- IT1227895B IT1227895B IT8823057A IT2305788A IT1227895B IT 1227895 B IT1227895 B IT 1227895B IT 8823057 A IT8823057 A IT 8823057A IT 2305788 A IT2305788 A IT 2305788A IT 1227895 B IT1227895 B IT 1227895B
- Authority
- IT
- Italy
- Prior art keywords
- lactic acid
- aqueous
- contain
- organic
- octol
- Prior art date
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)
Priority Applications (15)
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 |
AU47108/89A AU623719B2 (en) | 1988-12-22 | 1989-12-19 | Process for recovering lactic acid from solutions which contain it |
ZA899741A ZA899741B (en) | 1988-12-22 | 1989-12-19 | Process for recovering lactic acid from solutions which contain it |
CA002005921A CA2005921A1 (en) | 1988-12-22 | 1989-12-19 | Process for recovering lactic acid from solutions which contain it |
US07/452,340 US5089664A (en) | 1988-12-22 | 1989-12-19 | Process for recovering lactic acid from solutions which contain it |
IL92806A IL92806A0 (en) | 1988-12-22 | 1989-12-20 | Recovery of lactic acid from solution containing it |
HU896724A HU202816B (en) | 1988-12-22 | 1989-12-21 | Process for regenerating lactic acid from acidic aquous medium |
NO895197A NO171846C (no) | 1988-12-22 | 1989-12-21 | Fremgangsmaate for gjenvinning av melkesyre fra vandige medier inneholdende denne |
BR898906651A BR8906651A (pt) | 1988-12-22 | 1989-12-21 | Processo para a recuperacao de acido lactico |
SU894742831A SU1836326A3 (en) | 1988-12-22 | 1989-12-21 | Method for separating lactic acid from aqueous medium containing this acid |
JP1334661A JPH02221243A (ja) | 1988-12-22 | 1989-12-22 | 乳酸を含む溶液からの乳酸の回収法 |
AT89313557T ATE95160T1 (de) | 1988-12-22 | 1989-12-22 | Verfahren zur gewinnung von milchsaeure aus loesungen, die sie enthalten. |
DE89313557T DE68909573T2 (de) | 1988-12-22 | 1989-12-22 | Verfahren zur Gewinnung von Milchsäure aus Lösungen, die sie enthalten. |
EP89313557A EP0375463B1 (en) | 1988-12-22 | 1989-12-22 | Process for recovering lactic acid from solutions which contain it |
ES89313557T ES2045477T3 (es) | 1988-12-22 | 1989-12-22 | Procedimiento para la recuperacion de acido lactico de soluciones que lo contienen. |
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 (2)
Publication Number | Publication Date |
---|---|
IT8823057A0 IT8823057A0 (it) | 1988-12-22 |
IT1227895B true IT1227895B (it) | 1991-05-14 |
Family
ID=11203327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8823057A IT1227895B (it) | 1988-12-22 | 1988-12-22 | Processo per il recupero di acido lattico da soluzioni che lo contengono |
Country Status (15)
Country | Link |
---|---|
US (1) | US5089664A (it) |
EP (1) | EP0375463B1 (it) |
JP (1) | JPH02221243A (it) |
AT (1) | ATE95160T1 (it) |
AU (1) | AU623719B2 (it) |
BR (1) | BR8906651A (it) |
CA (1) | CA2005921A1 (it) |
DE (1) | DE68909573T2 (it) |
ES (1) | ES2045477T3 (it) |
HU (1) | HU202816B (it) |
IL (1) | IL92806A0 (it) |
IT (1) | IT1227895B (it) |
NO (1) | NO171846C (it) |
SU (1) | SU1836326A3 (it) |
ZA (1) | ZA899741B (it) |
Families Citing this family (10)
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 |
JP5526154B2 (ja) | 2009-02-25 | 2014-06-18 | カウンシル・オヴ・サイエンティフィック・アンド・インダストリアル・リサーチ | 脱酸用ポリベンゾイミダゾール系膜 |
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 |
EP2609989A1 (en) | 2010-08-19 | 2013-07-03 | Companhia Refinadora da Amazônia | Method for obtaining lactic acid with a high degree of purity from fermentative liquor |
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 |
US10640445B2 (en) * | 2013-09-06 | 2020-05-05 | Toray Industries, Inc. | Method of producing lactic acid and polylactic acid |
Family Cites Families (5)
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 |
-
1988
- 1988-12-22 IT IT8823057A patent/IT1227895B/it active
-
1989
- 1989-12-19 US US07/452,340 patent/US5089664A/en not_active Expired - Fee Related
- 1989-12-19 CA CA002005921A patent/CA2005921A1/en not_active Abandoned
- 1989-12-19 AU AU47108/89A patent/AU623719B2/en not_active Ceased
- 1989-12-19 ZA ZA899741A patent/ZA899741B/xx unknown
- 1989-12-20 IL IL92806A patent/IL92806A0/xx not_active IP Right Cessation
- 1989-12-21 NO NO895197A patent/NO171846C/no unknown
- 1989-12-21 SU SU894742831A patent/SU1836326A3/ru active
- 1989-12-21 HU HU896724A patent/HU202816B/hu not_active IP Right Cessation
- 1989-12-21 BR BR898906651A patent/BR8906651A/pt not_active Application Discontinuation
- 1989-12-22 AT AT89313557T patent/ATE95160T1/de not_active IP Right Cessation
- 1989-12-22 JP JP1334661A patent/JPH02221243A/ja active Pending
- 1989-12-22 EP EP89313557A patent/EP0375463B1/en not_active Expired - Lifetime
- 1989-12-22 ES ES89313557T patent/ES2045477T3/es not_active Expired - Lifetime
- 1989-12-22 DE DE89313557T patent/DE68909573T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT8823057A0 (it) | 1988-12-22 |
NO895197L (no) | 1990-06-25 |
AU4710889A (en) | 1990-06-28 |
HUT52748A (en) | 1990-08-28 |
IL92806A0 (en) | 1990-09-17 |
HU896724D0 (en) | 1990-03-28 |
DE68909573D1 (de) | 1993-11-04 |
BR8906651A (pt) | 1990-09-11 |
SU1836326A3 (en) | 1993-08-23 |
ATE95160T1 (de) | 1993-10-15 |
EP0375463A1 (en) | 1990-06-27 |
HU202816B (en) | 1991-04-29 |
US5089664A (en) | 1992-02-18 |
NO171846B (no) | 1993-02-01 |
ZA899741B (en) | 1990-09-26 |
NO895197D0 (no) | 1989-12-21 |
NO171846C (no) | 1993-05-12 |
CA2005921A1 (en) | 1990-06-22 |
EP0375463B1 (en) | 1993-09-29 |
JPH02221243A (ja) | 1990-09-04 |
DE68909573T2 (de) | 1994-01-27 |
AU623719B2 (en) | 1992-05-21 |
ES2045477T3 (es) | 1994-01-16 |
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