A method of removing sulfur from a filter system of an engine includes continuously passing an exhaust flow through a desulfation leg of the filter system during desulfation. The method also includes sensing at least one characteristic of the exhaust flow and modifying a flow rate of the exhaust flow during desulfation in response to the sensing.
This invention was made with Government support under the terms of Contract No. DE-FC05-97OR22605 awarded by the Department of Energy. The Government may have certain rights in this invention.