Nippon Kokan Kabushiki Kaisha

Mitsuaki Masuo

Yoshio Nakayama

Mikio Nakaniwa

Tadashi Murakami

Described is a catalyst used for hydrogen treatment of coal tar characterized in that about 10 to 30 weight percent of Mo oxides as first catalyst component and about 1 to 6 weight percent of Ni and/or Co as second catalyst component, both relates to the total catalyst weight, are supported on a porous inorganic substrate consisting essentially of alumina or silica alumina, and in that the mean pore size is about 8 to 18 nm, the pore size distribution is such that

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Yokohama, Japan

Mitsuaki Masuo