GB1280703A - Catalyst composition containing vanadium and antimony oxides and a process for the production of phthalic anhydride - Google Patents

Catalyst composition containing vanadium and antimony oxides and a process for the production of phthalic anhydride

Info

Publication number
GB1280703A
GB1280703A GB4230369A GB4230369A GB1280703A GB 1280703 A GB1280703 A GB 1280703A GB 4230369 A GB4230369 A GB 4230369A GB 4230369 A GB4230369 A GB 4230369A GB 1280703 A GB1280703 A GB 1280703A
Authority
GB
United Kingdom
Prior art keywords
production
composition containing
catalyst composition
phthalic anhydride
containing vanadium
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
Application number
GB4230369A
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of GB1280703A publication Critical patent/GB1280703A/en
Expired legal-status Critical Current

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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
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—Vanadium
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)

Abstract

1280703 Oxidation catalysts W R GRACE & CO 25 Aug 1969 [23 Aug 1968] 42303/69 Heading B1E [Also in Division C2] Oxidation catalysts comprise 1-20% V 2 O 5 , 0.1-9 moles of Sb 2 O 3 per mole of V 2 O 5 , K 2 SO 4 or K 2 S 2 O 7 and 30-95% TiO 2 , the catalysts having a K 2 O content of 0.4-4 moles per mole of Sb 2 O 3 and an SO 3 content of 0.5-3 moles per mole K 2 O. Use of Al 2 O 3 and SiO 2 together with TiO 2 as carrier intrisit activity. The catalysts may be calcined at 300-700‹C. Comparative examples are given.
GB4230369A 1968-08-23 1969-08-25 Catalyst composition containing vanadium and antimony oxides and a process for the production of phthalic anhydride Expired GB1280703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75495768A 1968-08-23 1968-08-23

Publications (1)

Publication Number Publication Date
GB1280703A true GB1280703A (en) 1972-07-05

Family

ID=25037110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4230369A Expired GB1280703A (en) 1968-08-23 1969-08-25 Catalyst composition containing vanadium and antimony oxides and a process for the production of phthalic anhydride

Country Status (1)

Country Link
GB (1) GB1280703A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees