MXPA02011952A - Proceso de intercambio de solvente. - Google Patents

Proceso de intercambio de solvente.

Info

Publication number
MXPA02011952A
MXPA02011952A MXPA02011952A MXPA02011952A MXPA02011952A MX PA02011952 A MXPA02011952 A MX PA02011952A MX PA02011952 A MXPA02011952 A MX PA02011952A MX PA02011952 A MXPA02011952 A MX PA02011952A MX PA02011952 A MXPA02011952 A MX PA02011952A
Authority
MX
Mexico
Prior art keywords
metal salt
organic acid
aqueous phase
exchange process
solvent exchange
Prior art date
Application number
MXPA02011952A
Other languages
English (en)
Inventor
Nick Allen Collins
Original Assignee
Eastman Chem Co
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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of MXPA02011952A publication Critical patent/MXPA02011952A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Abstract

Un proceso para recuperar un acido organico o una sal de metal del mismo, incluye poner en contacto una fase alcoholica que contiene uno o mas acido(s) organico o sal(es) de metal del mismo, con agua, bajo condiciones efectivas para proporcionar una fase acuosa que contiene una porcion del acido(s) organico o la sal(es) de metal del mi. La fase acuosa no contiene cantidades sustanciales del alcohol(es). Este proceso tambien puede incluir la recuperacion del acido(s) organico o la sal(es) de metal del mismo, de la fase acuosa.
MXPA02011952A 2000-06-05 2001-05-25 Proceso de intercambio de solvente. MXPA02011952A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/587,752 US6320061B1 (en) 2000-06-05 2000-06-05 Solvent exchange process
PCT/US2001/017191 WO2001094288A2 (en) 2000-06-05 2001-05-25 A solvent exchange process

Publications (1)

Publication Number Publication Date
MXPA02011952A true MXPA02011952A (es) 2003-04-22

Family

ID=24351058

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02011952A MXPA02011952A (es) 2000-06-05 2001-05-25 Proceso de intercambio de solvente.

Country Status (9)

Country Link
US (1) US6320061B1 (es)
EP (1) EP1286944B1 (es)
JP (1) JP2003535837A (es)
CN (1) CN1433394A (es)
AT (1) ATE339399T1 (es)
BR (1) BR0111412A (es)
DE (1) DE60123046T2 (es)
MX (1) MXPA02011952A (es)
WO (1) WO2001094288A2 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4554277B2 (ja) * 2004-05-27 2010-09-29 昭和電工株式会社 微生物によるコハク酸の製造方法
MX2009000535A (es) 2006-07-20 2009-03-09 Albemarle Corp Tecnologia de proceso para recuperar polimeros estirenicos bromados de mezclas de reaccion en las cuales se forman y/o convertir estas mezclas en pelotillas o granulos o pastillas.
CN114516822B (zh) * 2022-03-07 2023-06-02 运城学院 一种烷基苯磺化产生的废磺酸精制回收方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB428814A (en) * 1933-10-25 1935-05-20 Tadeus Reichstein Process for the manufacture of laevo-ascorbic acid (vitamin-c)
US2421612A (en) 1945-05-04 1947-06-03 Byron E Gray Preparation of 2-keto gulonic acid and its salts
US2421611A (en) 1945-05-04 1947-06-03 Byron E Gray Preparation of 2-keto gulonic acid and its salts
US2462251A (en) 1945-05-16 1949-02-22 Merck & Co Inc Process for preparing ascorbic acids
FR922949A (fr) * 1946-02-26 1947-06-23 Bataafsche Petroleum Procédé pour préparer l'acide ascorbique à partir d'esters de l'acide cetogulonique
US4113771A (en) 1971-04-07 1978-09-12 Ethyl Corporation Process for the purification of citric acid
US4202828A (en) 1978-01-10 1980-05-13 Kawasaki Kasei Chemicals Limited Process for separation of naphthoquinone and phthalic acid
FR2421864A1 (fr) 1978-04-05 1979-11-02 Hoechst France Procede de fabrication de l'acide hydroxy-4, dimethoxy-3,5 benzoique a partir de l'acide trimethoxy-3,4,5 benzoique
US4334074A (en) 1981-02-02 1982-06-08 The Dow Chemical Company Method of recovering 3,6-dichloropicolinic acid from basic aqueous solutions of salts thereof
DE3345411A1 (de) 1983-12-15 1985-06-27 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur reindarstellung von carbonsaeuren
US4771001A (en) 1986-03-27 1988-09-13 Neurex Corp. Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification
US5168055A (en) 1986-06-11 1992-12-01 Rathin Datta Fermentation and purification process for succinic acid
US5202476A (en) 1988-04-29 1993-04-13 Takeda Chemical Industries, Ltd. Purification of 2-keto-L-gulonic acid
FR2636343B1 (es) 1988-09-13 1994-11-25 Rhone Poulenc Sante
FR2648136B1 (fr) 1989-06-12 1994-06-17 Rhone Poulenc Sante Procede de preparation de l'acide ascorbique
CH678057A5 (de) 1989-06-26 1991-07-31 Enco Eng Ag Verfahren zur herstellung von natrium- oder kalium-l-ascorbat.
US5202475A (en) 1990-09-27 1993-04-13 Eastman Kodak Company Process for preparation of cyclohexanedicarboxylic acid
US5210296A (en) 1990-11-19 1993-05-11 E. I. Du Pont De Nemours And Company Recovery of lactate esters and lactic acid from fermentation broth
US5159110A (en) 1991-05-16 1992-10-27 W. R. Grace & Co.-Conn. Process for recovering n-methyliminodiacetic acid from sodium sulfate
IT1254254B (it) 1992-03-11 1995-09-14 Erregierre Ind Chim Procedimento per la preparazione di acido iodesossicolico ad elevata purezza per impiego farmaceutico
CA2126365C (en) 1993-07-06 1999-08-24 Steven W. Felman Recovery of citric acid from impure process streams by addition of strong acids and salts thereof
US5352825A (en) 1993-07-06 1994-10-04 Hoarmann & Reimer Corp. Recovery of organic acid salts from impure process streams by addition of bases
US5426219A (en) 1993-07-26 1995-06-20 A.E. Staley Manufacturing Co. Process for recovering organic acids
US5410076A (en) 1993-11-12 1995-04-25 Lever Brothers Company, Division Of Conopco, Inc. Process for the preparation of bis(amidocarboxylic acid)
US5741681A (en) 1994-12-09 1998-04-21 Mitsubishi Chemical Corporation Method for producing L-aspartic acid
US5522995A (en) 1995-02-28 1996-06-04 Cockrem; Michael C. M. Process for recovering organic acids from aqueous salt solutions
JP3976832B2 (ja) 1996-04-30 2007-09-19 ディーエスエム アイピー アセッツ ビー．ブイ． ２−ケト−ｌ−グロン酸の単離方法
JPH11199541A (ja) * 1997-11-14 1999-07-27 Daicel Chem Ind Ltd ソルビン酸の回収装置および回収方法

Also Published As

Publication number Publication date
WO2001094288A3 (en) 2002-07-04
EP1286944B1 (en) 2006-09-13
DE60123046D1 (de) 2006-10-26
CN1433394A (zh) 2003-07-30
JP2003535837A (ja) 2003-12-02
ATE339399T1 (de) 2006-10-15
DE60123046T2 (de) 2006-12-28
US6320061B1 (en) 2001-11-20
BR0111412A (pt) 2003-06-17
EP1286944A2 (en) 2003-03-05
WO2001094288A2 (en) 2001-12-13

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