Process for producing high-crystalline petroleum coke

Details Process for producing high-crystalline petroleum coke Process for producing high-crystalline petroleum coke

C - Chemistry, Metallurgy

10

B

196/74

C10B 55/00 (2006.01)

Patent

CA 1072476

ABSTRACT A novel process is described for preparation of high-crystalline petroleum coke from a variety of petroleum feedstocks, including feedstocks from which a premium grade coke could not heretofore have been obtained. The process involves the removal of non- crystalline carbon-forming substances from petroleum feedstocks by subjecting the feedstocks to preliminary heat-treatment to effect cracking and soaking, and subsequently by subjecting the materials to high- temperature flash distillation so as to remove the non-crystalline substances in the form of pitch. The overhead distillate of the flash distillation is then fractionated into cracked gas, gasoline, gas oil and a heavy residue, with subsequent coking of the heavy residue to yield high-crystalline petroleum coke.

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