Fluid catalyst for use in gas phase oxidation of aromatic hydroc

Details Fluid catalyst for use in gas phase oxidation of aromatic hydroc Fluid catalyst for use in gas phase oxidation of aromatic hydroc

1991-03-22

1993-02-09

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Boron or compound containing same

549248, 549249, 502350, B01J 2102, B01J 2106, C07D30789

Patent

active

051853094

ABSTRACT:
A high activity and high selectivity fluid catalyst for use in gas phase oxidation of aromatic hydrocarbons, comprising 50 to 95% by weight (calculated by TiO.sub.2 +SiO.sub.2 +B.sub.2 O.sub.3) of component (A) which comprises titanium oxide, silicon dioxide and boron oxide and 5 to 50% by weight [calculated by V.sub.2 O.sub.5 +M.sub.2 O (M represents an alkali metal)+SO.sub.3 ] of component (B) comprising vanadium oxide, an alkali metal oxide and sulfuric anhydride, wherein weight ratios of B.sub.2 O.sub.3 to TiO.sub.2 and SiO.sub.2 to TiO.sub.2 in said component (A) are in the range of from 0.02 to 0.5 and from 0.25 to 1.0, respectively, is provided.

REFERENCES:
patent: 3806469 (1974-04-01), Morita et al.
patent: 3843552 (1974-10-01), Jouy et al.
patent: 4397768 (1983-08-01), Felice
European Search Report (3 pages).

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