1. Laboratory of Industrial Chemistry Ruhr University Bochum Universitätsstraße 150 44780 Bochum Germany
2. Max Planck Institute for Chemical Energy Conversion Stiftstraße 34–36 45470 Mülheim a. d. Ruhr Germany
3. Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences 266101 Qingdao China