Prevention of coking during thermal cracking of heavy...

Details Prevention of coking during thermal cracking of heavy... Prevention of coking during thermal cracking of heavy...

C - Chemistry, Metallurgy

10

G

196/163, 204/91

C10G 15/00 (2006.01) B01J 19/08 (2006.01) C10G 32/02 (2006.01)

Patent

CA 1065791

ABSTRACT In the thermal cracking of heavy petroleum oil (having an API specific gravity of not more than 25) in a tubular furnace, it has been found that the formation of coke within the furnace tubes can be greatly reduced by applying a magnetic field transverse to the direction of flow of oil through the tubes. Further reductions in coking can be obtained by simultaneously applying a direct-current voltage parallel to the flow of oil through the furnace tubes.

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