ZA989828B - Process of producing citric acid and/or citrates. - Google Patents

Process of producing citric acid and/or citrates.

Info

Publication number
ZA989828B
ZA989828B ZA9809828A ZA989828A ZA989828B ZA 989828 B ZA989828 B ZA 989828B ZA 9809828 A ZA9809828 A ZA 9809828A ZA 989828 A ZA989828 A ZA 989828A ZA 989828 B ZA989828 B ZA 989828B
Authority
ZA
South Africa
Prior art keywords
citric acid
solution
anion exchanger
raw material
citrates
Prior art date
Application number
ZA9809828A
Other languages
English (en)
Inventor
Rudolf Boensch
Klaus Hohmann
Juergen Kuhn
Vaclav Cerny
Frantisek Hotek
Jiri Pendl
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 ZA989828B publication Critical patent/ZA989828B/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
    • 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)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Saccharide Compounds (AREA)
ZA9809828A 1997-10-30 1998-10-28 Process of producing citric acid and/or citrates. ZA989828B (en)

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
ZA989828B true ZA989828B (en) 2000-04-28

Family

ID=7847072

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9809828A ZA989828B (en) 1997-10-30 1998-10-28 Process of producing citric acid and/or citrates.

Country Status (11)

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

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, 60325 Frankfurt 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
EP0151470B1 (de) * 1984-02-03 1989-06-07 Jungbunzlauer Ladenburg GmbH Verfahren zur Gewinnung von Citronensäure
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
ID21206A (id) 1999-05-06
CN1219589A (zh) 1999-06-16
EP0913385A1 (de) 1999-05-06
DE19747902A1 (de) 1999-05-12
US6087139A (en) 2000-07-11
BR9804315A (pt) 2001-03-20
DE19747902C2 (de) 1999-09-23
ATE221869T1 (de) 2002-08-15
PT913385E (pt) 2002-11-29
ES2181107T3 (es) 2003-02-16
DK0913385T3 (da) 2002-11-18
DE59805083D1 (de) 2002-09-12
EP0913385B1 (de) 2002-08-07
CN1201014C (zh) 2005-05-11

Similar Documents

Publication Publication Date Title
IL74208A (en) Process for obtaining citric acid
ZA989828B (en) Process of producing citric acid and/or citrates.
BG104545A (en) Method for producing oxidic catalysts containing copper
ES2068000T3 (es) Separacion de metales de peroxiacidos o peroxisales acuosos.
ATE144975T1 (de) Verfahren zur herstellung von alkalimetallcitrat
EP0351127A3 (en) Method of purifying l-glutamine
FR2554551B1 (fr) Procede de production de vapeur d'eau pour des processus en consommant
EP0240423A3 (fr) Procédé perfectionné de préparation de L-carnitine
RU97110639A (ru) Способ получения комплексного удобрения
JPS577263A (en) Regeneration of basic anion exchange resin
CA2185762A1 (en) Process for the Recovery of Waste Sulphuric Acid
IN161962B (xx)
FR2723105B1 (fr) Procede biologique d'elimination des traces dihalgenoacides, des solutions aqueuses d'amino-acides
IE822997L (en) Process for removing molybdenum from aqueous manganese salt¹solutions
IE820855L (en) Process for removing molybdenum from aqueous salt solutions.
DE3270177D1 (en) Process for purifying elastase
FR2669323B1 (fr) Procede pour epurer les solutions usagees aqueuses d'acide chromique, et solutions ainsi epurees.
HUP9903028A1 (hu) Eljárás tiszta alkálifém- és/vagy ammónium-volframát-oldatok előállítására
FR2614298B1 (fr) Procede de preparation de l'acide trifluoromethylbenzoique a partir d'hexafluoroxylene.
BG50325A1 (en) Process for obtaining of protein/vitamin concentrate from precipitates resulting form biological purification of waste waters
TH34672A (th) กระบวนการผลิตกรดซิตริค และ/หรือ ซิเตรท
UA9110A1 (uk) Спосіб видобуваhhя міді з розчиhу
RO97055A2 (ro) Procedeu de obtinere a trioxidului de bismut pur
RU96100880A (ru) Способ получения гидроксилапатита кальция
RU93029073A (ru) Способ получения электролитического диоксида марганца