DE3147445C2 - - Google Patents

Info

Publication number
DE3147445C2
DE3147445C2 DE19813147445 DE3147445A DE3147445C2 DE 3147445 C2 DE3147445 C2 DE 3147445C2 DE 19813147445 DE19813147445 DE 19813147445 DE 3147445 A DE3147445 A DE 3147445A DE 3147445 C2 DE3147445 C2 DE 3147445C2
Authority
DE
Germany
Prior art keywords
vanadium pentoxide
optionally
carrier
titanium dioxide
catalyst
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
Application number
DE19813147445
Other languages
German (de)
English (en)
Other versions
DE3147445A1 (de
Inventor
Klaus M. Caracas Ve Felice
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oxidaciones Organicas Ca "oxidor" Caracas Ve
Original Assignee
Oxidaciones Organicas Ca "oxidor" Caracas Ve
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oxidaciones Organicas Ca "oxidor" Caracas Ve filed Critical Oxidaciones Organicas Ca "oxidor" Caracas Ve
Publication of DE3147445A1 publication Critical patent/DE3147445A1/de
Application granted granted Critical
Publication of DE3147445C2 publication Critical patent/DE3147445C2/de
Granted legal-status Critical Current

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
    • C07C51/21—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
    • 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
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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
    • B01J27/14—Phosphorus; Compounds thereof
    • B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
    • B01J27/198—Vanadium
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Catalysts (AREA)
DE19813147445 1980-12-01 1981-12-01 Katalysator fuer die herstellung von phthalsaeureanhydrid, verfahren zur herstellung von phthalsaeureanhydrid und verfahren zur herstellung des katalysators Granted DE3147445A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21178280A 1980-12-01 1980-12-01

Publications (2)

Publication Number Publication Date
DE3147445A1 DE3147445A1 (de) 1982-07-01
DE3147445C2 true DE3147445C2 (https=) 1992-07-30

Family

ID=22788350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813147445 Granted DE3147445A1 (de) 1980-12-01 1981-12-01 Katalysator fuer die herstellung von phthalsaeureanhydrid, verfahren zur herstellung von phthalsaeureanhydrid und verfahren zur herstellung des katalysators

Country Status (1)

Country Link
DE (1) DE3147445A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116059994B (zh) * 2021-11-01 2025-11-28 中国石油化工股份有限公司 均四甲苯气相氧化制均酐的催化剂及其制备方法、均四甲苯气相氧化制均酐的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2510994B2 (de) * 1975-03-13 1977-04-14 Basf Ag, 6700 Ludwigshafen Vanadium- und titanhaltiger traegerkatalysator

Also Published As

Publication number Publication date
DE3147445A1 (de) 1982-07-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B01J 23/22

D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8380 Miscellaneous part iii

Free format text: ES ERFOLGT NEUDRUCK DER PATENTSCHRIFT NACH UNBESCHRAENKTER AUFRECHTERHALTUNG

8339 Ceased/non-payment of the annual fee