Processing of heavy high-sulfur feedstocks

Details Processing of heavy high-sulfur feedstocks Processing of heavy high-sulfur feedstocks

C - Chemistry, Metallurgy

10

B

196/72

C10B 55/00 (2006.01)

Patent

CA 1185552

PROCESSING OF HEAVY HIGH-SULFUR FEEDSTOCKS Abstract of the Disclosure A heavy high-sulfur hydrocarbonaceous feedstock is partially delayed coked and partially formcoked. The coke products are screened, with larger particles being calcined at desulfurizing temperatures and smaller particles being recycled to the formcoker. Overhead products from both coking operations are combined, fractionated, and desulfurized. The heaviest cut from the fractionator is combined with the feedstock as recycle,

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