Coking Method and Coke Composition Containing Trace Metals

Abstract

A method of sequestering contaminant compounds from polymeric waste may include thermally cracking at least, a feedstock comprising a polymeric waste and a coker feedstock to produce at least coke and a coking effluent comprising hydrocarbons, wherein the polymeric waste comprises chlorine and/or chloride compounds, wherein at least a portion of the chlorine and/or chloride compounds are segregated into the coke, and wherein the coke comprises 0.01 wt. % to 1 wt. % of the chlorine and/or chloride compounds; and separating at least a portion of the coking effluent to form a coker naphtha.

Dependencies are inferred from the claim text.