Ash removal and synthesis gas generation from heavy oils produced by coal hydrogenation

摘要

Coal hydrogenation processes which produce a residual fraction containing carbonaceous material and ash as well as the desired hydrocarbon product fractions are improved by introducing the residual fraction into an oxidation reactor operating under tangential gas velocities and at a temperature in excess of that of the fusion temperature of the ash. Molten ash drips from the side walls of the reactor and hot hydrogen containing gases are generated for use in the hydrogenation process.