1. Department of Ecological and Resources Engineering, Fujian Key Laboratory of Eco-industrial Green Technology, Wuyi University, Wuyishan ,Fujian 354300, P. R. China
2. College of Chemistry and Chemical Engineering, National Engineering Research Centre for Carbohydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, Nanchang ,Jiangxi 330022, P. R. China