1. Division
of Energy and Furnace Technology, Department of Material Science and
Engineering, Royal Institute of Technology, Brinellvägen 23, 100-44 Stockholm, Sweden
2. Engler-Bunte-Institute,
Division of Fuel Chemistry and Technology (EBI-ceb), Karlsruhe Institute of Technology (KIT), Engler-Bunte-Ring 1, 76131 Karlsruhe, Germany
3. Karlsruhe Institute of Technology (KIT), Institute
for Technical Chemistry (ITC), Department Gasification Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany