1. Institute of Catalysis for Energy and EnvironmentCollege of Chemistry and Chemical EngineeringShenyang Normal University Shenyang 110034 China
2. State Key Laboratory of Rare Earth Resource UtilizationChangchun Institute of Applied ChemistryChinese Academy of Science Changchun 130022 China
3. College of Chemistry and Chemical EngineeringWuhan Textile University Wuhan 430200 China