DE69225886T2 - Verfahren zur wiedergewinnung von citronensäure - Google Patents

Verfahren zur wiedergewinnung von citronensäure

Info

Publication number
DE69225886T2
DE69225886T2 DE69225886T DE69225886T DE69225886T2 DE 69225886 T2 DE69225886 T2 DE 69225886T2 DE 69225886 T DE69225886 T DE 69225886T DE 69225886 T DE69225886 T DE 69225886T DE 69225886 T2 DE69225886 T2 DE 69225886T2
Authority
DE
Germany
Prior art keywords
citric acid
acid
desorbed
adsorb
contacted
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69225886T
Other languages
English (en)
Other versions
DE69225886D1 (de
Inventor
Donald Mcquigg
Charles Marston
Gina Fitzpatrick
Ernest Crowe
Susan Vorhies
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vertellus Specialties Inc
Original Assignee
Reilly Industries Inc
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 Reilly Industries Inc filed Critical Reilly Industries Inc
Application granted granted Critical
Publication of DE69225886D1 publication Critical patent/DE69225886D1/de
Publication of DE69225886T2 publication Critical patent/DE69225886T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Water Treatment By Sorption (AREA)
DE69225886T 1991-03-14 1992-03-12 Verfahren zur wiedergewinnung von citronensäure Expired - Fee Related DE69225886T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66949091A 1991-03-14 1991-03-14
PCT/US1992/001986 WO1992016490A1 (en) 1991-03-14 1992-03-12 Processes for recovering citric acid

Publications (2)

Publication Number Publication Date
DE69225886D1 DE69225886D1 (de) 1998-07-16
DE69225886T2 true DE69225886T2 (de) 1998-12-17

Family

ID=24686516

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225886T Expired - Fee Related DE69225886T2 (de) 1991-03-14 1992-03-12 Verfahren zur wiedergewinnung von citronensäure

Country Status (12)

Country Link
EP (1) EP0576547B1 (de)
JP (1) JPH06506211A (de)
KR (1) KR100294285B1 (de)
AT (1) ATE167177T1 (de)
AU (1) AU670027B2 (de)
BR (1) BR9205767A (de)
CA (1) CA2106078C (de)
DE (1) DE69225886T2 (de)
ES (1) ES2118813T3 (de)
IL (1) IL101195A (de)
TW (1) TW265331B (de)
WO (1) WO1992016490A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745062B1 (de) * 1994-02-15 2002-09-11 Reilly Industries, Inc. Desorptionsverfahren und apparatur
US6114577A (en) * 1995-02-15 2000-09-05 Reilly Industries, Inc. Desorption process and apparatus
US6146534A (en) 1996-08-19 2000-11-14 Reilly Industries, Inc. Thermally-managed separation and dewatering processes for recovering acid products
JP2000500430A (ja) * 1995-10-10 2000-01-18 レイリー・インダストリーズ・インコーポレーテッド 酸生成物を回収するための熱管理分離及び脱水方法
IL115564A (en) * 1995-10-11 1999-06-20 Yissum Res Dev Co Process for the recovery of ascorbic acid from an aqueous feed solution
IL119731A0 (en) * 1996-12-01 1997-03-18 Yissum Res Dev Co A process for the production of erythorbic acid
US5965771A (en) * 1997-10-03 1999-10-12 The Regents Of The University Of California Regeneration of carboxylic acid-laden basic sorbents by leaching with a volatile base in an organic solvent
AU3645899A (en) 1998-04-15 1999-11-01 Reilly Industries, Inc. Separations using ampholytic base polymers
US6153791A (en) * 1999-08-02 2000-11-28 Archer-Daniels-Midland Company Process for purifying 2-keto-L-gulonic acid
WO2011102479A1 (ja) 2010-02-19 2011-08-25 三菱瓦斯化学株式会社 芳香族カルボン酸類製造プロセスの触媒回収に用いるピリジン環含有キレート樹脂の前処理方法
CN102770207A (zh) 2010-02-19 2012-11-07 三菱瓦斯化学株式会社 用于对苯二甲酸制造工艺的催化剂回收的含吡啶环螯合树脂的预处理方法
CN104725212B (zh) * 2015-03-30 2016-02-10 王屹翀 吸附加蒸汽解吸分离醋酸/水体系的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB868926A (en) * 1956-06-28 1961-05-25 Benckiser Gmbh Joh A A method for the purification and concentration of carboxylic acids
US4851573A (en) * 1986-12-18 1989-07-25 Uop Separation of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent
DE3860945D1 (de) * 1988-01-11 1990-12-06 Uop Inc Abtrennung von zitronensaeure aus fermentationsbruehen.
FR2632302B1 (fr) * 1988-06-06 1991-02-22 Roquette Freres Procede de recuperation d'acide citrique a partir d'une liqueur en contenant

Also Published As

Publication number Publication date
BR9205767A (pt) 1994-11-08
EP0576547A1 (de) 1994-01-05
AU670027B2 (en) 1996-07-04
JPH06506211A (ja) 1994-07-14
TW265331B (de) 1995-12-11
DE69225886D1 (de) 1998-07-16
EP0576547B1 (de) 1998-06-10
KR100294285B1 (ko) 2001-09-17
ES2118813T3 (es) 1998-10-01
WO1992016490A1 (en) 1992-10-01
ATE167177T1 (de) 1998-06-15
IL101195A0 (en) 1992-11-15
IL101195A (en) 1996-10-31
CA2106078C (en) 2002-10-29
CA2106078A1 (en) 1992-09-15
AU1583792A (en) 1992-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee