process for the conversion of materials containing hydrocarbon pyrolysis fuel oil in raw material quality constant for the production coke or carbon black

摘要

A process for the preparation of binder pitch is described. The process includes cooling and depressurizing treated pyrolysis fuel oil to a pressure of from 10 to 100 psig and at temperature of from 500 to 750.degree.F and distilling the liquid from the pyrolysis fuel oil to provide a binder pitch residue.