C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/127
C10G 9/16 (2006.01) B01J 8/02 (2006.01) B01J 8/24 (2006.01) B01J 19/00 (2006.01) B01J 19/26 (2006.01) C10G 9/32 (2006.01)
Patent
CA 1064844
ABSTRACT OF THE DISCLOSURE This invention relates to a new method of preventing the formation of coke deposits on the outside wall of the feed nozzle and the walls of the fluidized bed reactor in the vicinity of the nozzle when feeding a hydrocarbon oil feedstock to the reactor using a gas-mixing type nozzle in thermally cracking a heavy hydrocarbon oil of high residual carbon content in a fluidized bed reactor. The improvement of this invention comprises blowing in an inert gas to the eddying part formed in the feed nozzle thereby blocking the formation of eddies to prevent the accumulation of coke deposits.
247519
Abiko Shiro
Kaneko Norio
Nakagawa Tetsuo
Tanaka Tsunemitsu
Chiyoda Chemical Engineering And Construction Co.
Mitsubishi Petrochemical Co. Ltd.
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