C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 11/02 (2006.01) C10G 11/18 (2006.01)
Patent
CA 2116514
ABSTRACT OF THE DISCLOSURE A process for the fluid catalytic cracking of heavy fraction oils containing heavy metals such as Ni and V, which comprises withdrawing a portion of ferrite-containing catalyst particles circulating in a fluid catalytic cracking apparatus, separating the thus withdrawn catalyst particles into metals-richly deposited catalyst particles and metals-poorly deposited ones by using a magnetic separator and then returning the metals-poorly deposited catalyst particles, together with fresh ferrite-containing catalyst particles, into said cracking apparatus.
Ino Takashi
Kato Koichi
Nakatsuka Yasuo
Nippon Oil Co. Ltd.
Swabey Ogilvy Renault
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