1. Chemical Process Engineering (CVT), Faculty of Production Engineering, University of Bremen, Leobener Strasse 6, 28359 Bremen, Germany
2. Center for Environmental Research and Sustainable Technology (UFT), Postbox 330 440, 28334 Bremen, Germany
3. Faculty of Chemistry, in Vivo MR Group, University of Bremen, Leobener Str. 7, 28359 Bremen, Germany
4. MAPEX Center for Materials and Processes, University of Bremen, Postbox 330 440, 28334 Bremen, Germany