[1] Penn State Univ, Clean Fuels & Catalysis Program, Energy Inst, University Pk, PA 16802 USA
[2] Penn State Univ, Dept Energy & Geoenvironm Engn, University Pk, PA 16802 USA
[3] Virginia Polytech Inst & State Univ, Dept Chem Engn, Blacksburg, VA 24061 USA