C - Chemistry – Metallurgy – 10 – B
Patent
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,
410133
Boyer Lyndon D.
Newman Bruce A.
Conoco Inc.
Ridout & Maybee Llp
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