[go: up one dir, main page]

FR1290212A - Process for the decoloration and purification of impure solutions of organic acids - Google Patents

Process for the decoloration and purification of impure solutions of organic acids

Info

Publication number
FR1290212A
FR1290212A FR853987A FR853987A FR1290212A FR 1290212 A FR1290212 A FR 1290212A FR 853987 A FR853987 A FR 853987A FR 853987 A FR853987 A FR 853987A FR 1290212 A FR1290212 A FR 1290212A
Authority
FR
France
Prior art keywords
decoloration
purification
organic acids
impure solutions
impure
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
Application number
FR853987A
Other languages
French (fr)
Inventor
Pierre Colin
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.)
Usines de Melle SA
Original Assignee
Usines de Melle SA
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 Usines de Melle SA filed Critical Usines de Melle SA
Priority to FR853987A priority Critical patent/FR1290212A/en
Priority to ES0274787A priority patent/ES274787A1/en
Application granted granted Critical
Publication of FR1290212A publication Critical patent/FR1290212A/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • B01J39/05—Processes using organic exchangers in the strongly acidic form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
FR853987A 1961-02-27 1961-02-27 Process for the decoloration and purification of impure solutions of organic acids Expired FR1290212A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR853987A FR1290212A (en) 1961-02-27 1961-02-27 Process for the decoloration and purification of impure solutions of organic acids
ES0274787A ES274787A1 (en) 1961-02-27 1962-02-20 Processing of discoloration and purification sw impured solutions of organic acids (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853987A FR1290212A (en) 1961-02-27 1961-02-27 Process for the decoloration and purification of impure solutions of organic acids

Publications (1)

Publication Number Publication Date
FR1290212A true FR1290212A (en) 1962-04-13

Family

ID=8749722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853987A Expired FR1290212A (en) 1961-02-27 1961-02-27 Process for the decoloration and purification of impure solutions of organic acids

Country Status (2)

Country Link
ES (1) ES274787A1 (en)
FR (1) FR1290212A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019536B1 (en) * 1965-03-25 1975-07-08
EP0017681A1 (en) * 1979-04-12 1980-10-29 Mitsubishi Rayon Co., Ltd. Method for removing chromium ions from aqueous solutions of organic acids
EP0115606A3 (en) * 1982-12-24 1985-10-02 Degussa Aktiengesellschaft Process for obtaining l-malic acid
FR2632302A1 (en) * 1988-06-06 1989-12-08 Roquette Freres PROCESS FOR RECOVERING CITRIC ACID FROM A LIQUOR CONTAINING
EP0483831A3 (en) * 1990-11-02 1993-01-13 Mitsubishi Kasei Corporation Process for separating an organic acid or acids from an organic acid-containing solution
WO1998055442A1 (en) * 1997-06-06 1998-12-10 'BRUSSELS BIOTECH' en abrégé '2B' Method for purifying lactic acid
EP0966421A4 (en) * 1996-12-09 2000-03-29 Ashland Inc A method for purification of acids for use in semiconductor processing
US7875153B2 (en) 1999-11-26 2011-01-25 Purac Biochem B.V. Purification of aqueous solutions of organic acids

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019536B1 (en) * 1965-03-25 1975-07-08
EP0017681A1 (en) * 1979-04-12 1980-10-29 Mitsubishi Rayon Co., Ltd. Method for removing chromium ions from aqueous solutions of organic acids
EP0115606A3 (en) * 1982-12-24 1985-10-02 Degussa Aktiengesellschaft Process for obtaining l-malic acid
FR2632302A1 (en) * 1988-06-06 1989-12-08 Roquette Freres PROCESS FOR RECOVERING CITRIC ACID FROM A LIQUOR CONTAINING
EP0346196A1 (en) * 1988-06-06 1989-12-13 Roquette Frˬres Process for the recovery of citric acid from liquors containing it
US5245078A (en) * 1990-11-02 1993-09-14 Mitsubishi Kasei Corporation Process for separating an organic acid or acids from an organic acid-containing solution
EP0483831A3 (en) * 1990-11-02 1993-01-13 Mitsubishi Kasei Corporation Process for separating an organic acid or acids from an organic acid-containing solution
EP0966421A4 (en) * 1996-12-09 2000-03-29 Ashland Inc A method for purification of acids for use in semiconductor processing
WO1998055442A1 (en) * 1997-06-06 1998-12-10 'BRUSSELS BIOTECH' en abrégé '2B' Method for purifying lactic acid
BE1011197A3 (en) * 1997-06-06 1999-06-01 Brussels Biotech En Abrege Bb Process for purification lactic acid.
US7875153B2 (en) 1999-11-26 2011-01-25 Purac Biochem B.V. Purification of aqueous solutions of organic acids
US7879197B2 (en) 1999-11-26 2011-02-01 Purac Biochem B.V. Purification of aqueous solutions of organic acids
US8192589B2 (en) 1999-11-26 2012-06-05 Purac Biochem B.V. Purification of aqueous solutions of organic acids

Also Published As

Publication number Publication date
ES274787A1 (en) 1962-07-01

Similar Documents

Publication Publication Date Title
FR1342412A (en) Process for the preparation of aminomethylenephosphonic acids
FR1290212A (en) Process for the decoloration and purification of impure solutions of organic acids
CH444181A (en) Process for the preparation of basic esters of 1-benzoxacycloalkanecarboxylic acids
FR1244576A (en) Process for the purification of phthalic acids
BE614388A (en) Process for the decoloration and purification of impure solutions of organic acids
CH411236A (en) Process for the concentration and purification of organic compounds
BE613066A (en) Process for the preparation and purification of octochlorodihydroxydiphenyl
FR1301851A (en) Process for obtaining pure glycyrrhizic acid
FR1295949A (en) Process for the purification of aromatic carboxylic acids
FR1399506A (en) Process for the purification of organic isocyanates
FR1355077A (en) Process for the synthesis of organic acids
FR1334980A (en) Process for preparing esters and anhydrides of organic acids
BE612837A (en) Process for the purification of 6-aminopenicillanic acid
FR1410099A (en) Process for the production of organic acids and anhydrides
FR1313002A (en) Process for the production of organic isocyanates
FR1300782A (en) Process for the catalytic production of epsilon-caprolactones and carboxylic acids
FR1331154A (en) Process for the production of alpha-chloroglutaric acid
FR1317328A (en) Process for the production and purification of organic peracids
FR1339045A (en) Process for preparing epoxycarboxylic acids
FR1329773A (en) Process for the preparation of (thio) -phosphor-, -phosphon- and -phosphinic acid esters
FR1356147A (en) Process for the purification of organic isocyanates
BE612903A (en) Process of continuous esterification of organic acids with aliphatic alcohols
FR1325311A (en) Process for the preparation of basic esters of 1-benzoxa-cycloalkanecarboxylic acids
FR1296558A (en) Process for the saponification of organic esters of 17-alcohols of certain 19-norsteroids
CH407105A (en) Process for the saponification of organic esters of 17-alcohols of certain 19-nor-steroids