DE68906421T2 - Verfahren zur herstellung von pyromellitsaeuredianhydrid und in diesem verfahren verwendeter katalysator. - Google Patents
Verfahren zur herstellung von pyromellitsaeuredianhydrid und in diesem verfahren verwendeter katalysator.Info
- Publication number
- DE68906421T2 DE68906421T2 DE8989103175T DE68906421T DE68906421T2 DE 68906421 T2 DE68906421 T2 DE 68906421T2 DE 8989103175 T DE8989103175 T DE 8989103175T DE 68906421 T DE68906421 T DE 68906421T DE 68906421 T2 DE68906421 T2 DE 68906421T2
- Authority
- DE
- Germany
- Prior art keywords
- pyromellitsaeuredianhydride
- producing
- catalyst used
- catalyst
- producing pyromellitsaeuredianhydride
- 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 - Fee Related
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0221—Coating of particles
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3947288 | 1988-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68906421D1 DE68906421D1 (de) | 1993-06-17 |
DE68906421T2 true DE68906421T2 (de) | 1993-09-09 |
Family
ID=12554010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989103175T Expired - Fee Related DE68906421T2 (de) | 1988-02-24 | 1989-02-23 | Verfahren zur herstellung von pyromellitsaeuredianhydrid und in diesem verfahren verwendeter katalysator. |
Country Status (5)
Country | Link |
---|---|
US (2) | US4925957A (de) |
EP (1) | EP0330195B1 (de) |
CA (1) | CA1332831C (de) |
DE (1) | DE68906421T2 (de) |
NZ (1) | NZ228084A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ286616B6 (cs) * | 1989-10-16 | 2000-05-17 | Haldor Topsoe A/S | Katalyzátor pro výrobu aldehydů |
DE4305817A1 (de) * | 1993-02-25 | 1994-09-01 | Consortium Elektrochem Ind | Verfahren zur Herstellung von Pyromellitsäuredianhydrid |
US5663114A (en) * | 1993-10-22 | 1997-09-02 | Nippon Shokubai Co., Ltd. | Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride |
CN1066707C (zh) * | 1994-04-05 | 2001-06-06 | 株式会社日本触媒 | 生产1,2,4,5-苯四酸酐的方法 |
KR100549778B1 (ko) * | 2003-09-27 | 2006-02-08 | 한국전력기술 주식회사 | 저온 탈질 특성을 갖는 바나듐/티타니아계 질소산화물제거용 촉매, 이의 사용방법 및 이의 탈질방법 |
CN114433155B (zh) * | 2020-10-20 | 2023-08-29 | 中国石油化工股份有限公司 | 一种用于均四甲苯氧化合成均酐的催化剂及其制备方法和应用 |
CN115518683B (zh) * | 2021-06-24 | 2024-02-02 | 中国石油化工股份有限公司 | 负载型催化剂及其制备方法和应用以及均四甲苯气相氧化合成均酐的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3227752A (en) * | 1962-05-03 | 1966-01-04 | Union Oil Co | Oxidation of alkylaromatic hydrocarbons |
NL134884C (de) * | 1965-05-18 | |||
US3799888A (en) * | 1970-10-28 | 1974-03-26 | B Suvorov | Method of preparing a catalyst of vanadium-titanium oxides for vaporphase oxidation and oxidizing ammonolysis of aromatic and heterocyclic compounds |
US4415752A (en) * | 1973-10-23 | 1983-11-15 | Union Carbide Corporation | Process for preparing unsaturated acids with Mo, V, Nb, Fe-containing catalysts |
DE2626887B2 (de) * | 1976-06-16 | 1978-06-29 | Basf Ag, 6700 Ludwigshafen | Katalysator für die Oxadation von (Methacrolein zu (Meth)Acrylsäure |
ES2028180T3 (es) * | 1987-06-05 | 1992-07-01 | Nippon Shokubai Kagaku Kogyo Kabushiki Kaisha | Catalizador para la oxidacion de acroleina y procedimiento para su preparacion. |
-
1989
- 1989-02-22 US US07/314,367 patent/US4925957A/en not_active Expired - Fee Related
- 1989-02-22 NZ NZ228084A patent/NZ228084A/en unknown
- 1989-02-23 EP EP89103175A patent/EP0330195B1/de not_active Expired - Lifetime
- 1989-02-23 DE DE8989103175T patent/DE68906421T2/de not_active Expired - Fee Related
- 1989-02-23 CA CA000591873A patent/CA1332831C/en not_active Expired - Fee Related
-
1990
- 1990-02-23 US US07/484,396 patent/US5001100A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NZ228084A (en) | 1990-11-27 |
US4925957A (en) | 1990-05-15 |
DE68906421D1 (de) | 1993-06-17 |
US5001100A (en) | 1991-03-19 |
EP0330195A1 (de) | 1989-08-30 |
EP0330195B1 (de) | 1993-05-12 |
CA1332831C (en) | 1994-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |