Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Boron or compound containing same
Patent
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).
Aono Toshinao
Arima Yusaku
Asami Yukio
Fujii Susumu
Hirooka Noboru
Kawasaki Steel Corp.
Konopka Paul E.
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