PT913385E - Processo para a preparaao de acido citrico e/ou citratos - Google Patents

Processo para a preparaao de acido citrico e/ou citratos

Info

Publication number
PT913385E
PT913385E PT98119467T PT98119467T PT913385E PT 913385 E PT913385 E PT 913385E PT 98119467 T PT98119467 T PT 98119467T PT 98119467 T PT98119467 T PT 98119467T PT 913385 E PT913385 E PT 913385E
Authority
PT
Portugal
Prior art keywords
citric acid
solution
anion exchanger
raw material
citrates
Prior art date
Application number
PT98119467T
Other languages
English (en)
Inventor
Klaus Hohamnn
Rudolf Bonsch
Juergen Kuhn
Vaclav Cerny
Frantisek Hotek
Jiri Pendl
Original Assignee
Mg Technologies 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 Mg Technologies Ag filed Critical Mg Technologies Ag
Publication of PT913385E publication Critical patent/PT913385E/pt

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/803—Physical recovery methods, e.g. chromatography, grinding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/8215—Microorganisms
    • Y10S435/911—Microorganisms using fungi
    • Y10S435/913—Aspergillus
    • Y10S435/917—Aspergillus niger

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)
  • Peptides Or Proteins (AREA)
  • Saccharide Compounds (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
PT98119467T 1997-10-30 1998-10-15 Processo para a preparaao de acido citrico e/ou citratos PT913385E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19747902A DE19747902C2 (de) 1997-10-30 1997-10-30 Verfahren zur Herstellung von Citronensäure und/oder Citraten

Publications (1)

Publication Number Publication Date
PT913385E true PT913385E (pt) 2002-11-29

Family

ID=7847072

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98119467T PT913385E (pt) 1997-10-30 1998-10-15 Processo para a preparaao de acido citrico e/ou citratos

Country Status (11)

Country Link
US (1) US6087139A (pt)
EP (1) EP0913385B1 (pt)
CN (1) CN1201014C (pt)
AT (1) ATE221869T1 (pt)
BR (1) BR9804315A (pt)
DE (2) DE19747902C2 (pt)
DK (1) DK0913385T3 (pt)
ES (1) ES2181107T3 (pt)
ID (1) ID21206A (pt)
PT (1) PT913385E (pt)
ZA (1) ZA989828B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29912559U1 (de) * 1999-07-17 1999-09-16 Metallgesellschaft Ag Vorrichtung zum Feinreinigen fermentativ erzeugter organischer Säuren
DE19939630C2 (de) * 1999-08-20 2001-07-12 Mg Technologies Ag Verfahren zum Feinreinigen einer wässrigen Lösung, die eine fermentativ hergestellte organische Säure enthält
CN1103816C (zh) * 2000-08-25 2003-03-26 武汉市双凤生物化学有限责任公司 一种柠檬酸的生产工艺
US20050209328A1 (en) * 2004-03-19 2005-09-22 Allgood Charles C Alphahydroxyacids with ultra-low metal concentration
CN104557519A (zh) * 2014-12-22 2015-04-29 南通市飞宇精细化学品有限公司 一种柠檬酸硒的生产工艺
CN112457185A (zh) * 2019-09-09 2021-03-09 连云港树人科创食品添加剂有限公司 一种柠檬酸钾母液除铁提纯工艺
CN114790467A (zh) * 2022-06-06 2022-07-26 杭州鸿满化工有限公司 一种柠檬酸发酵工艺
WO2024097329A1 (en) 2022-11-02 2024-05-10 Amalgamated Research Llc Smb separator for organic acid purification using a strong acid cation resin

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931759C2 (de) * 1979-08-04 1983-10-20 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen Verfahren zur Abtrennung von Citronensäure aus einem Gemisch mit Oxalsäure und Salpetersäure
DD203533A1 (de) * 1981-12-05 1983-10-26 Bitterfeld Chemie Verfahren zur gewinnung aliphatischer carbonsaeuren aus salzloesungen
DD232723A5 (de) * 1984-02-03 1986-02-05 ���k�K@���������@����k�� Verfahren zur gewinnung von citronensaeure
US4851573A (en) * 1986-12-18 1989-07-25 Uop Separation of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent
US4851574A (en) * 1986-12-18 1989-07-25 Uop Inc. Separation of citric acid from fermentation broth with a strongly basic anionic exchange resin adsorbent
US4924027A (en) * 1986-12-18 1990-05-08 Uop Separation of salts of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent
US5237098A (en) * 1992-10-09 1993-08-17 Miles, Inc. Production of citric acid and trisodium citrate from molasses
WO1997010350A1 (en) * 1995-09-11 1997-03-20 Likospol S.R.O. Process, apparatus and microorganism strain for the manufacture of citric acid
DE19545303C1 (de) * 1995-12-05 1997-04-24 Metallgesellschaft Ag Verfahren zur Herstellung einer organischen Säure

Also Published As

Publication number Publication date
EP0913385A1 (de) 1999-05-06
ZA989828B (en) 2000-04-28
EP0913385B1 (de) 2002-08-07
CN1219589A (zh) 1999-06-16
BR9804315A (pt) 2001-03-20
ID21206A (id) 1999-05-06
ES2181107T3 (es) 2003-02-16
DK0913385T3 (da) 2002-11-18
DE59805083D1 (de) 2002-09-12
DE19747902C2 (de) 1999-09-23
ATE221869T1 (de) 2002-08-15
CN1201014C (zh) 2005-05-11
US6087139A (en) 2000-07-11
DE19747902A1 (de) 1999-05-12

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