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 acidsInfo
- 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
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)
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)
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 |
EP0483831A2 (en) * | 1990-11-02 | 1992-05-06 | Mitsubishi Chemical 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 |
EP0966421A2 (en) * | 1996-12-09 | 1999-12-29 | 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 |
-
1961
- 1961-02-27 FR FR853987A patent/FR1290212A/en not_active Expired
-
1962
- 1962-02-20 ES ES0274787A patent/ES274787A1/en not_active Expired
Cited By (15)
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 |
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 |
EP0483831A2 (en) * | 1990-11-02 | 1992-05-06 | Mitsubishi Chemical Corporation | Process for separating an organic acid or acids from an organic acid-containing solution |
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 |
EP0966421A2 (en) * | 1996-12-09 | 1999-12-29 | Ashland Inc. | A method for purification of acids for use in semiconductor processing |
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 |
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