Treatment of petroleum cokes to inhibit coke puffing

Details Treatment of petroleum cokes to inhibit coke puffing Treatment of petroleum cokes to inhibit coke puffing

C - Chemistry, Metallurgy

10

B

196/5

C10B 55/00 (2006.01) C04B 35/532 (2006.01) C10L 9/02 (2006.01) C10L 9/10 (2006.01)

Patent

CA 1322184

D-15715 ABSTRACT OF THE DISCLOSURE A process for treating high sulfur petroleum coke to inhibit puffing is disclosed wherein particles of the petroleum coke are contacted with a compound containing an alkali or alkaline earth metal selected from the group consisting of sodium, potassium, calcium and magnesium, at an elevated temperature above that at which the alkali or alkaline earth metal compound begins to react with carbon, but below the temperature at which the coke particles would begin to puff in the absence of the compound. The coke particles are maintained at the elevated temperature for a sufficient period of time to permit the reaction to proceed and allow products of reaction to penetrate into the particles and form an alkali-or alkaline-earth-metal-containing deposit throughout the mass of the particles; and then cooling the so-treated coke particles. 36

606419

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