THE EFFECT OF INCREASED RESIDENCE TIME ON THE THERMAL DESULPHURIZATION OF SYRIAN PETROLEUM COKE

Abstract

High sulphur Syrian delayed petroleum coke was thermally treated at high temperatures in order to reduce its sulphur content. It was found that the high temperature required for effective desulphurization can be reduced by increasing the residence time at the maximum heating temperature, avoiding thereby the adverse effects associated with thermal treatment at high temperatures, particularly in the case of the high sulphur Syrian coke. A maximum desulphurization of 90\% was possible at a temperature of 1700 K and a residence time of 180 minutes.