PRESSURE FILTRATION REMOVAL OF QI AND PREPARATION OF ULTRA-CLEAN PITCH FROM COAL TAR

摘要

A novel combination technique of pressure filtration and the supercritical fluid extraction and fractionation (SFEF) of the high temperature coal tar sampled from a coking plant of Shanxi province was developed in order to obtain the ultra-clean pitch (UCP) for the preparation of the high-performance carbon material.