1. State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metals Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical EngineeringLanzhou University Lanzhou 730000 P. R. China
2. Center for Environmentally Beneficial CatalysisThe University of Kansas Lawrence KS-66047 USA
3. Tascon GmbH 48149 Münster Germany
4. Department of ChemistryThe University of Kansas Lawrence KS-66045 USA
5. Department of Chemical and Petroleum EngineeringThe University of Kansas Lawrence KS-66045 USA
6. Canadian Light Source Inc.University of Saskatchewan Saskatoon Saskatchewan S7 N 2 V3 Canada
7. Department of GeologyThe University of Kansas Lawrence KS-66045 USA