DE2715293C2 - - Google Patents
Info
- Publication number
- DE2715293C2 DE2715293C2 DE2715293A DE2715293A DE2715293C2 DE 2715293 C2 DE2715293 C2 DE 2715293C2 DE 2715293 A DE2715293 A DE 2715293A DE 2715293 A DE2715293 A DE 2715293A DE 2715293 C2 DE2715293 C2 DE 2715293C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- catalyst
- alcohol
- residue
- separation
- 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
- C07C51/16—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
- C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
-
- 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
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (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 |
|---|---|---|---|
| GB14759/76A GB1511438A (en) | 1976-04-12 | 1976-04-12 | Treatment of residues from the oxidation process for the preparation of adipic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2715293A1 DE2715293A1 (de) | 1977-10-27 |
| DE2715293C2 true DE2715293C2 (cs) | 1988-06-16 |
Family
ID=10046986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772715293 Granted DE2715293A1 (de) | 1976-04-12 | 1977-04-05 | Verfahren zur abtrennung von katalysatormetallen aus dem rueckstand einer oxidationsreaktion |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS52125111A (cs) |
| BE (1) | BE853274A (cs) |
| CA (1) | CA1093049A (cs) |
| DE (1) | DE2715293A1 (cs) |
| FR (1) | FR2347977A1 (cs) |
| GB (1) | GB1511438A (cs) |
| IT (1) | IT1125770B (cs) |
| NL (1) | NL7703376A (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047250A1 (de) * | 1979-12-18 | 1981-09-24 | Agustín Vitoria Arana Eraña | Formsandmischmaschine |
| US5420336A (en) * | 1994-11-02 | 1995-05-30 | E. I. Du Pont De Nemours And Company | Catalyst recovery and dialkyl ester synthesis |
| TWI238157B (en) | 2001-01-25 | 2005-08-21 | Asahi Kasei Corp | Process for producing alkanedicarboxylic acid |
-
1976
- 1976-04-12 GB GB14759/76A patent/GB1511438A/en not_active Expired
-
1977
- 1977-03-29 NL NL7703376A patent/NL7703376A/xx unknown
- 1977-04-05 BE BE176449A patent/BE853274A/xx not_active IP Right Cessation
- 1977-04-05 DE DE19772715293 patent/DE2715293A1/de active Granted
- 1977-04-08 FR FR7710831A patent/FR2347977A1/fr active Granted
- 1977-04-08 IT IT22342/77A patent/IT1125770B/it active
- 1977-04-11 JP JP4126977A patent/JPS52125111A/ja active Granted
- 1977-04-12 CA CA276,005A patent/CA1093049A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7703376A (nl) | 1977-10-14 |
| JPS6220178B2 (cs) | 1987-05-06 |
| FR2347977A1 (fr) | 1977-11-10 |
| IT1125770B (it) | 1986-05-14 |
| DE2715293A1 (de) | 1977-10-27 |
| GB1511438A (en) | 1978-05-17 |
| FR2347977B1 (cs) | 1981-12-11 |
| JPS52125111A (en) | 1977-10-20 |
| BE853274A (fr) | 1977-10-05 |
| CA1093049A (en) | 1981-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |