ATE92460T1 - Verfahren zur rueckgewinnung der zitronensaeure aus fluessigkeiten, die sie enthalten. - Google Patents

Verfahren zur rueckgewinnung der zitronensaeure aus fluessigkeiten, die sie enthalten.

Info

Publication number
ATE92460T1
ATE92460T1 AT89401529T AT89401529T ATE92460T1 AT E92460 T1 ATE92460 T1 AT E92460T1 AT 89401529 T AT89401529 T AT 89401529T AT 89401529 T AT89401529 T AT 89401529T AT E92460 T1 ATE92460 T1 AT E92460T1
Authority
AT
Austria
Prior art keywords
citric acid
liquids containing
stage
recovering citric
liquor containing
Prior art date
Application number
AT89401529T
Other languages
English (en)
Inventor
Pierrick Duflot
Jean Bernard Leleu
Original Assignee
Roquette Freres
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 Roquette Freres filed Critical Roquette Freres
Application granted granted Critical
Publication of ATE92460T1 publication Critical patent/ATE92460T1/de

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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Removal Of Specific Substances (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
AT89401529T 1988-06-06 1989-06-02 Verfahren zur rueckgewinnung der zitronensaeure aus fluessigkeiten, die sie enthalten. ATE92460T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8807505A FR2632302B1 (fr) 1988-06-06 1988-06-06 Procede de recuperation d'acide citrique a partir d'une liqueur en contenant
EP89401529A EP0346196B1 (de) 1988-06-06 1989-06-02 Verfahren zur Rückgewinnung der Zitronensäure aus Flüssigkeiten, die sie enthalten

Publications (1)

Publication Number Publication Date
ATE92460T1 true ATE92460T1 (de) 1993-08-15

Family

ID=9366977

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89401529T ATE92460T1 (de) 1988-06-06 1989-06-02 Verfahren zur rueckgewinnung der zitronensaeure aus fluessigkeiten, die sie enthalten.

Country Status (8)

Country Link
US (1) US5032686A (de)
EP (1) EP0346196B1 (de)
JP (1) JPH02275835A (de)
AT (1) ATE92460T1 (de)
DE (1) DE68908024T2 (de)
ES (1) ES2042027T3 (de)
FR (1) FR2632302B1 (de)
IE (1) IE64034B1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW265331B (de) * 1991-03-14 1995-12-11 Reilly Ind Inc
US5237098A (en) * 1992-10-09 1993-08-17 Miles, Inc. Production of citric acid and trisodium citrate from molasses
US5352825A (en) * 1993-07-06 1994-10-04 Hoarmann & Reimer Corp. Recovery of organic acid salts from impure process streams by addition of bases
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
US5965028A (en) * 1994-09-12 1999-10-12 Reilly Industries, Inc. Process for treating a liquid
US6146534A (en) 1996-08-19 2000-11-14 Reilly Industries, Inc. Thermally-managed separation and dewatering processes for recovering acid products
DE19545303C1 (de) * 1995-12-05 1997-04-24 Metallgesellschaft Ag Verfahren zur Herstellung einer organischen Säure
CN1305500A (zh) 1998-04-15 2001-07-25 莱利工业公司 利用两性碱性聚合物的分离方法
US6153791A (en) * 1999-08-02 2000-11-28 Archer-Daniels-Midland Company Process for purifying 2-keto-L-gulonic acid
US6872314B2 (en) * 2003-08-29 2005-03-29 Eastman Chemical Company Dewatering process
US8864995B2 (en) * 2006-01-10 2014-10-21 Dupont Nutrition Biosciences Aps Method for separating betaine
CN115894218B (zh) * 2022-10-26 2023-08-29 湖北兴福电子材料股份有限公司 一种电子级柠檬酸的多级纯化方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA688245A (en) * 1964-06-09 Miles Laboratories, Inc. Purification of citric acid
GB868926A (en) * 1956-06-28 1961-05-25 Benckiser Gmbh Joh A A method for the purification and concentration of carboxylic acids
FR1280940A (fr) * 1961-02-01 1962-01-08 Miles Lab Procédé de purification de l'acide citrique
FR1290212A (fr) * 1961-02-27 1962-04-13 Melle Usines Sa Procédé de décoloration et de purification de solutions impures d'acides organiques
FR2434796A1 (fr) * 1978-08-31 1980-03-28 Roquette Freres Procede et installation de recuperation d'acides a-hydroxy- et a-amino-carboxyliques a partir de milieux sucres les contenant
US4720579A (en) * 1986-12-18 1988-01-19 Uop Inc. Separation of citric acid from fermentation broth with a neutral polymeric adsorbent

Also Published As

Publication number Publication date
FR2632302A1 (fr) 1989-12-08
EP0346196B1 (de) 1993-08-04
DE68908024D1 (de) 1993-09-09
IE64034B1 (en) 1995-06-28
DE68908024T2 (de) 1994-02-17
US5032686A (en) 1991-07-16
IE891817L (en) 1989-12-06
FR2632302B1 (fr) 1991-02-22
JPH02275835A (ja) 1990-11-09
ES2042027T3 (es) 1993-12-01
EP0346196A1 (de) 1989-12-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee