Process for thermal cracking of heavy oil

Details Process for thermal cracking of heavy oil Process for thermal cracking of heavy oil

C - Chemistry, Metallurgy

10

G

196/81

C10G 9/14 (2006.01) C01B 3/38 (2006.01)

Patent

CA 1222715

ABSTRACT OF THE DISCLOSURE A process is disclosed for the thermal cracking of heavy oil containing nonvaporizable, high-molecular weight hydrocarbons in the presence of steam in one or more thermal cracking tubes or ducts, which process is characterized in that a fluid comprising steam and heavy oil is flowed through a thermal cracking tube such that thermal cracking is carried out under the following conditions: (a) temperature of the fluid in the thermal cracking tube: 800 to 1100°C (b) pressure of the fluid in the thermal cracking tube: 0 to 50 kg/cm2G (c) flow rate or velocity of fluid through the thermal cracking tube: 10 to 100 m/sec, and (d) residence time of the fluid in the thermal at least 0.2 cracking tube: seconds, these conditions providing an improved process with less poisoning of catalyst.

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