Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1995-06-22
1998-06-09
Caldarola, Glenn
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502305, 502311, 502312, 502314, B01J 2322, B01J 2326, B01J 2376
Patent
active
057633525
ABSTRACT:
The composition based on a discharge from an oil refining plant after a desulfurization of heavy oils in the oil refining plant using a catalyst, comprising: 80% or less of vanadium; 80% or less of molybdenum; 20% or less of nickel; 30% or less of cobalt; 99% or less of alumina; and a trace of the impurities, which is catalytically active to purify the exhaust of diesel vehicles. A filter or a washcoat made of the discharged catalyst composition alone or in combination with ordinary filtering materials or ordinary washcoat materials can be very useful for purification of smoke. In addition, a catalyst in which at least one metal of the platinum group is uniformly impregnated on the filter is quite superior to conventional ones employing alumina or titania as a washcoat in stability to both high temperature and sulfur trioxide.
REFERENCES:
patent: 4221768 (1980-09-01), Inoue et al.
Choi Yong-Taek
Jung Hyun-Jong
Kim Yong-Woo
Ku Bon-chul
Lee Ki-Ho
Caldarola Glenn
Ghyka Alexander G.
Yukong Ltd.
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