BE773890A - PROCESS FOR PURIFYING MIXTURES OF DICARBOXYLIC ACIDS ALIPHATIC - Google Patents
PROCESS FOR PURIFYING MIXTURES OF DICARBOXYLIC ACIDS ALIPHATICInfo
- Publication number
- BE773890A BE773890A BE773890A BE773890A BE773890A BE 773890 A BE773890 A BE 773890A BE 773890 A BE773890 A BE 773890A BE 773890 A BE773890 A BE 773890A BE 773890 A BE773890 A BE 773890A
- Authority
- BE
- Belgium
- Prior art keywords
- dicarboxylic acids
- acids aliphatic
- purifying mixtures
- purifying
- mixtures
- Prior art date
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
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/94—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2051320A DE2051320C3 (en) | 1970-10-20 | 1970-10-20 | Process for the purification of aliphatic dicarboxylic acid mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
BE773890A true BE773890A (en) | 1972-04-13 |
Family
ID=5785588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE773890A BE773890A (en) | 1970-10-20 | 1971-10-13 | PROCESS FOR PURIFYING MIXTURES OF DICARBOXYLIC ACIDS ALIPHATIC |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5619336B1 (en) |
BE (1) | BE773890A (en) |
DE (1) | DE2051320C3 (en) |
FR (1) | FR2111003A5 (en) |
GB (1) | GB1356620A (en) |
IT (1) | IT944759B (en) |
NL (1) | NL7114294A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1208239A (en) * | 1983-06-07 | 1986-07-22 | Christian Leboeuf | Semi-refined mixed dicarboxylic acids |
-
1970
- 1970-10-20 DE DE2051320A patent/DE2051320C3/en not_active Expired
-
1971
- 1971-10-05 FR FR7135822A patent/FR2111003A5/fr not_active Expired
- 1971-10-13 BE BE773890A patent/BE773890A/en not_active IP Right Cessation
- 1971-10-18 NL NL7114294A patent/NL7114294A/xx unknown
- 1971-10-19 IT IT53569/71A patent/IT944759B/en active
- 1971-10-19 GB GB4851171A patent/GB1356620A/en not_active Expired
- 1971-10-20 JP JP8255671A patent/JPS5619336B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT944759B (en) | 1973-04-20 |
DE2051320A1 (en) | 1972-04-27 |
GB1356620A (en) | 1974-06-12 |
DE2051320C3 (en) | 1982-04-29 |
NL7114294A (en) | 1972-04-24 |
JPS5619336B1 (en) | 1981-05-07 |
FR2111003A5 (en) | 1972-06-02 |
DE2051320B2 (en) | 1975-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RO68184A (en) | PROCESS FOR THE PREPARATION OF BENZYL-PHENOXY-ALKANE CARBOXILIC ACIDS | |
BE762644A (en) | PURIFICATION OF CARBOXYLIC ACIDS | |
BE810280A (en) | PURIFICATION OF HYDROXYACETIC ACID | |
RO64682A (en) | PROCESS FOR THE PURIFICATION OF CHLORESILANES | |
BE768658A (en) | PROCESS FOR HYDRATION OF NITRILS TO AMIDES | |
BE745512A (en) | PROCESS FOR PURIFYING SACCHAROSE ESTERS OF FATTY ACIDS | |
BE812450A (en) | PROCESS FOR PURIFYING DICARBOXYLIC ACIDS | |
BE772277A (en) | TEREPHTHALIC ACID PURIFICATION PROCESS | |
BE779549A (en) | ACRYLIC ACID PURIFICATION PROCESS | |
BE808586A (en) | PROCESS FOR PURIFYING MIXTURES OF FATTY ACIDS OR FATTY ACID ESTERS | |
RO62810A (en) | PROCESS FOR THE PREPARATION OF HYDROXYDIPHENYLYLPROPIONIC ACIDS | |
BE780450A (en) | CYANURIC ACID PURIFICATION PROCESS | |
RO69802A (en) | PROCESS FOR PURIFYING PHOSPHORIC ACID | |
BE774491A (en) | PROCESS FOR PURIFYING BENZENE-CARBOXYLIC ACIDS AND THEIR ESTERS | |
BE773890A (en) | PROCESS FOR PURIFYING MIXTURES OF DICARBOXYLIC ACIDS ALIPHATIC | |
BE768727A (en) | PROCESS FOR PREPARATION OF AROMATIC CETOCARBOXYLIC ACIDS | |
BE789996A (en) | PROCESS FOR DECARBOXYLATION OF HYDROXYARYLCARBOXYLIC ACIDS | |
BE767028A (en) | PROCESS FOR PURIFYING NONSATURATED ALIPHATIC CARBOXYLIC ACIDS | |
RO62853A (en) | PROCESS FOR THE PREPARATION OF ANTRAQUINONEULPHONIC ACIDS | |
BE776267A (en) | PROCESS FOR THE PRODUCTION OF PHTHALIC ACIDS | |
BE768943A (en) | ADIPONITRILE PURIFICATION PROCESS | |
BE818034A (en) | NITRIC ACID PURIFICATION PROCESS | |
BE770485A (en) | PROCESS FOR THE PREPARATION OF CARBOXYLIC ACIDS | |
BE762805A (en) | PROCESS FOR PURIFYING TEREPHTHALIC ACID AND ISO-PHTHALIC ACID | |
BE807987A (en) | CARBOXYLIC ACID PURIFICATION PROCESS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: BADISCHE ANILIN- & SODAFABRIK A.G. Effective date: 19871031 |