Desulfurization of delayed petroleum coke

Details Desulfurization of delayed petroleum coke Desulfurization of delayed petroleum coke

C - Chemistry, Metallurgy

10

B

44/1, 196/11

C10B 57/00 (2006.01) C10L 9/02 (2006.01)

Patent

CA 1159383

ABSTRACT OF THE DISCLOSURE Delayed coke is desulfurized by first contacting the coke with an active sulfur-bearing gas at a temperature high enough to produce a reaction between the sulfur in the coke and the active sulfur in the gas, and then holding the coke in contact with the gas at said high temperature for approximately one hour. An alternative process provides for desulfurization of delayed coke by modifying the second step of the prior process to dilute or replace the sulfur-bearing gas with an inert gas. In a third alternative, the foregoing process is further modified by lowering the temperature during the second or holding step to maintain the reaction between the sulfur-bearing gas and the coke.

394501

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