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

1988-03-07

1989-10-24

Woodard, Joye

Distillation: processes, thermolytic

And shaping to desired form or configuration

201 17, 201 20, 264 295, 423449, C10B 5700, C01B 3104

Patent

active

048759791

ABSTRACT:
A process for treating high sulfur petroleum coke to inhibit puffing is disclosed wherein particles of the petroleum coke are contacted, in the absence of a binder, 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.

REFERENCES:
patent: 3642962 (1972-02-01), Wallouch

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