Coking process by addition of free radical inhibitors
AssigneeMobil Oil Corporation
InventorsStuart S. Shih, Philip J. Angevine
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Abstract
A process for increasing coker distillate yield in a coking process by adding a small amount, generally 0.005-10% by weight of a free radical inhibitor selected from the group consisting of hydroquinone and N-phenyl-2-naphthylamine to the coker feed material.
Claims3
In a coking process wherein a heavy petroleum feedstock is subject to coking conditions of temperature and pressure to produce coke and lighter gaseous and liquid hydrocarbon product, the improvement which comprises carrying out the coking process in the presence of 0.005 to 10.0 wt. % of a free radical inhibitor selected from the group consisting of hydroquinone and N-phenyl-2-naphthylamine.
Dependencies are inferred from the claim text.