DE2615657C2 - - Google Patents
Info
- Publication number
- DE2615657C2 DE2615657C2 DE2615657A DE2615657A DE2615657C2 DE 2615657 C2 DE2615657 C2 DE 2615657C2 DE 2615657 A DE2615657 A DE 2615657A DE 2615657 A DE2615657 A DE 2615657A DE 2615657 C2 DE2615657 C2 DE 2615657C2
- Authority
- DE
- Germany
- Prior art keywords
- terephthalic acid
- acetic acid
- cobalt
- mass
- mixture
- 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
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/08—Halides
-
- 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
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB14964/75A GB1511181A (en) | 1975-04-11 | 1975-04-11 | Preparation of terephthalic acid by oxidation of p-xylene |
| GB3320475 | 1975-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2615657A1 DE2615657A1 (de) | 1976-10-21 |
| DE2615657C2 true DE2615657C2 (US07923587-20110412-C00001.png) | 1989-05-24 |
Family
ID=26250923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762615657 Granted DE2615657A1 (de) | 1975-04-11 | 1976-04-09 | Oxidationsverfahren, insbesondere zur herstellung von terephthalsaeure |
Country Status (5)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1595974A (en) * | 1977-04-07 | 1981-08-19 | Ici Ltd | Recovering catalyst values |
| GB1595904A (en) * | 1977-04-25 | 1981-08-19 | Ici Ltd | Recovery catalyst values |
| US4241220A (en) * | 1977-12-28 | 1980-12-23 | Mitsui Petrochemical Industries, Ltd. | Process for producing terephthalic acid |
| NL7900151A (nl) * | 1978-01-13 | 1979-07-17 | Ici Ltd | Oxydatiewerkwijze. |
| JPS54160330A (en) * | 1978-06-05 | 1979-12-19 | Kuraray Yuka Kk | Preparation of high-purity terephthalic acid of stable quality |
| RU2458038C2 (ru) * | 2007-02-28 | 2012-08-10 | Хитачи Плант Текнолоджиз, Лтд. | Способ получения неочищенной ароматической дикарбоновой кислоты, предназначенной для гидрогенизационной очистки |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2113424A5 (US07923587-20110412-C00001.png) * | 1970-11-01 | 1972-06-23 | Maruzen Oil Co Ltd | |
| JPS5328419B1 (US07923587-20110412-C00001.png) * | 1971-04-26 | 1978-08-15 | ||
| JPS5328421B2 (US07923587-20110412-C00001.png) * | 1973-05-15 | 1978-08-15 | ||
| JPS5328901B2 (US07923587-20110412-C00001.png) * | 1973-07-28 | 1978-08-17 |
-
1976
- 1976-04-09 NL NL7603780A patent/NL7603780A/xx not_active Application Discontinuation
- 1976-04-09 FR FR7610590A patent/FR2306967A1/fr active Granted
- 1976-04-09 DE DE19762615657 patent/DE2615657A1/de active Granted
- 1976-04-09 IT IT22164/76A patent/IT1063362B/it active
- 1976-04-12 JP JP51041176A patent/JPS6050775B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2306967B1 (US07923587-20110412-C00001.png) | 1980-07-25 |
| DE2615657A1 (de) | 1976-10-21 |
| FR2306967A1 (fr) | 1976-11-05 |
| NL7603780A (nl) | 1976-10-13 |
| JPS6050775B2 (ja) | 1985-11-11 |
| JPS51127037A (en) | 1976-11-05 |
| IT1063362B (it) | 1985-02-11 |
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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 |