Coking process with decant oil addition to reduce coke yield

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking

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208 50, C10G 914

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active

048328235

ABSTRACT:
An improved coking process is described wherein a feedstock comprising residual oil is passed into a coking zone along with a highly aromatic oil such as pyrolysis tars or a decanted oil produced from a fluidized catalytic cracking zone in a concentration resulting in the feedstock having froma bout 5 to about 20 percent by weight of highly aromatic oil. The yield of coke is thereby reduced.

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