ZA9610233B - Process of preparing an organic acid - Google Patents

Process of preparing an organic acid

Info

Publication number
ZA9610233B
ZA9610233B ZA9610233A ZA9610233A ZA9610233B ZA 9610233 B ZA9610233 B ZA 9610233B ZA 9610233 A ZA9610233 A ZA 9610233A ZA 9610233 A ZA9610233 A ZA 9610233A ZA 9610233 B ZA9610233 B ZA 9610233B
Authority
ZA
South Africa
Prior art keywords
organic acid
preparing
permeate
protein
solution
Prior art date
Application number
ZA9610233A
Other languages
English (en)
Inventor
Bernd Ahlers
Rudolf Bonsch
Michael Eichelsbacher
Jurgen Kuhn
Ulrich Sander
Jiri Pendl
Frantisek Hotek
Vaclav Cerny
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of ZA9610233B publication Critical patent/ZA9610233B/xx

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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • 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
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Peptides Or Proteins (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA9610233A 1995-12-05 1996-12-05 Process of preparing an organic acid ZA9610233B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19545303A DE19545303C1 (de) 1995-12-05 1995-12-05 Verfahren zur Herstellung einer organischen Säure

Publications (1)

Publication Number Publication Date
ZA9610233B true ZA9610233B (en) 1997-06-24

Family

ID=7779209

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610233A ZA9610233B (en) 1995-12-05 1996-12-05 Process of preparing an organic acid

Country Status (9)

Country Link
US (1) US5759826A (zh)
EP (1) EP0778256B1 (zh)
CN (1) CN1117157C (zh)
AT (1) ATE186045T1 (zh)
BR (1) BR9605847A (zh)
DE (2) DE19545303C1 (zh)
DK (1) DK0778256T3 (zh)
ES (1) ES2140012T3 (zh)
ZA (1) ZA9610233B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747902C2 (de) * 1997-10-30 1999-09-23 Metallgesellschaft Ag Verfahren zur Herstellung von Citronensäure und/oder Citraten
DE19939630C2 (de) * 1999-08-20 2001-07-12 Mg Technologies Ag Verfahren zum Feinreinigen einer wässrigen Lösung, die eine fermentativ hergestellte organische Säure enthält
US6509179B1 (en) 2000-10-12 2003-01-21 Barbara I. Veldhuis-Stribos Continuous process for preparing lactic acid
DE10393926T5 (de) * 2002-12-20 2006-09-28 Cyclics Corp. Reinigung von makrocyclischen Oligoestern
CN100427185C (zh) * 2004-05-12 2008-10-22 清华大学 一种从有机溶剂中回收有机酸的方法
FR2910823B1 (fr) * 2006-12-29 2009-02-13 Applexion Procede de purification d'acides oroganiques
DE102007018092A1 (de) * 2007-04-17 2008-10-23 Polysius Ag Vorrichtung zum Trennen oder Klassieren von Aufgabegut
TW201034976A (en) * 2008-12-03 2010-10-01 Rainer Bauder Systems and methods for wastewater treatment
CN101781190B (zh) * 2010-03-23 2013-01-09 安徽丰原发酵技术工程研究有限公司 从柠檬酸发酵液中提取精制柠檬酸的方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE446865C (de) * 1925-02-04 1927-07-12 Johann A Von Wuelfing Verfahren zur Reinigung von Milchsaeure
NL76900C (zh) * 1935-04-04
US2253061A (en) * 1940-03-14 1941-08-19 Fruit Growers Exchange Ca Manufacture of fruit acids
IL39710A (en) 1972-06-19 1975-04-25 Imi Inst For Res & Dev Recovery of acids from aqueous solutions by solvent extraction
DE2450670A1 (de) * 1974-10-25 1976-04-29 Benckiser Gmbh Joh A Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen
DE3570866D1 (en) * 1984-02-03 1989-07-13 Ladenburg Biochemie Process for the isolation of citric acid
DE3502924A1 (de) 1984-02-03 1985-08-08 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen Verfahren zur gewinnung von citronensaeure
EP0163836B1 (de) 1984-04-07 1988-10-12 Bayer Ag Verfahren und Vorrichtung zur Herstellung von Granulaten
DE3425358A1 (de) 1984-07-10 1986-02-20 Hoechst Ag, 6230 Frankfurt Verfahren zur isolierung wasserloeslicher saurer verbindungen
CN1026130C (zh) * 1986-12-18 1994-10-05 环球油品公司 用非沸石型聚合吸附剂从发酵液中分离柠檬酸
US4851573A (en) * 1986-12-18 1989-07-25 Uop Separation of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent
FR2632302B1 (fr) * 1988-06-06 1991-02-22 Roquette Freres Procede de recuperation d'acide citrique a partir d'une liqueur en contenant
JP3009421B2 (ja) * 1990-02-28 2000-02-14 秀明 山田 有機酸の生物学的製造法
DE4031108A1 (de) 1990-10-02 1992-04-09 Agfa Gevaert Ag Verfahren zum erkennen der schichtseite von transparenten bildvorlagen
US5045459A (en) * 1990-10-05 1991-09-03 Haarmann & Reimer Corp. Method for the production of granular citric acid
AT399721B (de) * 1992-11-18 1995-07-25 Axiom Angewandte Prozesstechni Verfahren zur elektrodialytischen abtrennung von citronensäure aus einer lösung

Also Published As

Publication number Publication date
CN1117157C (zh) 2003-08-06
EP0778256B1 (de) 1999-10-27
US5759826A (en) 1998-06-02
ES2140012T3 (es) 2000-02-16
BR9605847A (pt) 1998-08-25
EP0778256A1 (de) 1997-06-11
DE19545303C1 (de) 1997-04-24
CN1156759A (zh) 1997-08-13
ATE186045T1 (de) 1999-11-15
DK0778256T3 (da) 2000-02-21
DE59603480D1 (de) 1999-12-02

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