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
Authority: ZA; South Africa
Prior art keywords: lactic acid; aqueous; contain; organic; octol
Prior art date: 1988-12-22

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.)

1988-12-22

Filing date

1989-12-19

Publication date

1990-09-26

1989-12-19 Application filed by Donegani Guido Ist filed Critical Donegani Guido Ist

1990-09-26 Publication of ZA899741B publication Critical patent/ZA899741B/xx

Links

JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title abstract 10
235000014655 lactic acid Nutrition 0.000 title abstract 5
239000004310 lactic acid Substances 0.000 title abstract 5
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
239000012736 aqueous medium Substances 0.000 abstract 2
239000008139 complexing agent Substances 0.000 abstract 2
239000012074 organic phase Substances 0.000 abstract 2
239000003960 organic solvent Substances 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
UPSVYNDQEVZTMB-UHFFFAOYSA-N 2-methyl-1,3,5-trinitrobenzene;1,3,5,7-tetranitro-1,3,5,7-tetrazocane Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O.[O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UPSVYNDQEVZTMB-UHFFFAOYSA-N 0.000 abstract 1
-1 alkane hydrocarbons Chemical class 0.000 abstract 1
239000008346 aqueous phase Substances 0.000 abstract 1
150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
229930195733 hydrocarbon Natural products 0.000 abstract 1
239000007788 liquid Substances 0.000 abstract 1
239000003208 petroleum Substances 0.000 abstract 1
229920006395 saturated elastomer Polymers 0.000 abstract 1

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 (11)

* 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
CA2735411C (en)	2009-02-25	2020-06-30	Council Of Scientific & Industrial Research	A polybenzimidazole based membrane for deacidification
BRPI1009166A2 (pt)	2010-08-19	2013-01-15	Companhia Refinadora Da Amazônia	processo de obtenÇço de Ácido lÁtico com elevado grau de pureza a partir de licor fermentativo
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
CN115724735A (zh) *	2021-08-27	2023-03-03	上海凯赛生物技术股份有限公司	一种分离提取乳酸的方法、乳酸产品及其制备方法、乳酸钙颗粒的制备方法

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

1988
- 1988-12-22 IT IT8823057A patent/IT1227895B/it active
1989
- 1989-12-19 ZA ZA899741A patent/ZA899741B/xx unknown
- 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 US US07/452,340 patent/US5089664A/en not_active Expired - Fee Related
- 1989-12-20 IL IL92806A patent/IL92806A0/xx not_active IP Right Cessation
- 1989-12-21 SU SU894742831A patent/SU1836326A3/ru active
- 1989-12-21 BR BR898906651A patent/BR8906651A/pt not_active Application Discontinuation
- 1989-12-21 NO NO895197A patent/NO171846C/no unknown
- 1989-12-21 HU HU896724A patent/HU202816B/hu not_active IP Right Cessation
- 1989-12-22 JP JP1334661A patent/JPH02221243A/ja active Pending
- 1989-12-22 DE DE89313557T patent/DE68909573T2/de not_active Expired - Fee Related
- 1989-12-22 ES ES89313557T patent/ES2045477T3/es not_active Expired - Lifetime
- 1989-12-22 AT AT89313557T patent/ATE95160T1/de not_active IP Right Cessation
- 1989-12-22 EP EP89313557A patent/EP0375463B1/de not_active Expired - Lifetime

Also Published As

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

Publication	Publication Date	Title
AU4710889A (en)	1990-06-28	Process for recovering lactic acid from solutions which contain it
ES8501728A1 (es)	1984-12-01	Procedimiento para la separacion de etanol de la solucion que contiene etanol que resulta de la fermentacion alcoholica
AU556333B2 (en)	1986-10-30	Recovery of water soluble rhodium and phosphine catalysts
DE3061208D1 (en)	1983-01-05	Process for treating mixtures of rare earth oxides and gallium oxides
ES503050A0 (es)	1982-04-16	Un procedimiento para recuperar cafeina de carbono activado
FR2340910B1 (de)	1981-01-16
BG103734A (en)	2001-05-31	Process for purifying caprolactam
FR2612911B1 (fr)	1991-04-05	Procede de separation des terres rares par extraction liquide-liquide
EP0617158A4 (de)	1995-05-03	Verfahren zur stabilisierung der hygrothermischen ausdehnung eines proteinfaserprodukt.
TW364902B (en)	1999-07-21	Process for the preparation of diacetylrhein
IE37858B1 (en)	1977-10-26	Method of removing a lactam from solution in an organic solvent
KR950032021A (ko)	1995-12-20	이산화탄소를 이용하여 산성 유기 화합물을 이의 염으로부터 방출시키는 방법
GB1296444A (de)	1972-11-15
GB2039897A (en)	1980-08-20	Process for purifying naphthoqinone
JPS5298601A (en)	1977-08-18	Separation by extracting with solvent
GB1598234A (en)	1981-09-16	Separation of unsaturated carboxylic acids
JPS5240473A (en)	1977-03-29	Process for recovering and purifying of solvent used for treating meat
JPS51125309A (en)	1976-11-01	Process for preparation of glycerine
GB1278652A (en)	1972-06-21	Process of preparing lactones
RU97115868A (ru)	1999-06-27	СПОСОБ ВЫДЕЛЕНИЯ АРОМАТИЧЕСКИХ УГЛЕВОДОРОДОВ ИЗ ДЕПАРАФИНИРОВАННОЙ ФРАКЦИИ 200-320oC
JPS55124798A (en)	1980-09-26	Separation of nucleotide
JPS51141792A (en)	1976-12-06	Regeneration method of activated carbon
ATE113988T1 (de)	1994-11-15	Verfahren zur herstellung einer gereinigten wässrigen indollösung.