Document Type and Number:
Japanese Patent JPH0234887
Kind Code:
B2
Abstract:
PURPOSE:To increase the strength of the titled activated alumina, by using alumina containing 10-50wt% of zirconia on the basis of alumina and having an average fine pore size of 40-100nm and a specific area of 20m<2>/g or more. CONSTITUTION:Molded alumina is impregnated with an aqueous zirconium salt solution and the impregnated one is dried and baked. As alumina, gamma-alumina is used and, as zirconia, one with an average fine pore size of 40-100nm is used. In addition, the amount of zirconia is set to 10-50wt% on the basis of alumina. As the zirconium salt, zirconyl chloride and zirconium nitrate are desingnated. The obtained zirconia-containing activated alumina can be used in a field of the catalytic hydroforming treatment of heavy oil.
Inventors:
TOKARI OSAMU
YONEDA NORYUKI
MAKABE TOSHIJI
YONEDA NORYUKI
MAKABE TOSHIJI
Application Number:
JP13471683A
Publication Date:
August 07, 1990
Filing Date:
July 23, 1983
Export Citation:
Assignee:
CHIYODA CHEM ENG CONSTRUCT CO
International Classes:
C10G49/02; B01J21/06; B01J23/22; B01J23/84; B01J23/847; B01J23/88; B01J32/00; B01J35/10; C01F7/02; C01G25/00
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