1. Chair of Thermal Process Engineering, University of Duisburg-Essen, Lotharstraße 1, D-47057Duisburg, Germany
2. BASF Catalysts Germany GmbH, Große Drakeburger Straße 93-97, D-31582Nienburg, Germany
3. Chemiewerk Bad Köstritz GmbH, Heinrichshall 2, D-07586Bad Köstritz, Germany
4. Institute of Energy and Environmental Technology, IUTA e. V., Bliersheimer Straße 60, D-47229Duisburg, Germany