1. College of Environmental Science and Engineering; Donghua University; 2999 Ren'min North Road Shanghai 201620 P. R. China
2. School of Chemistry and Chemical Engineering; Henan Normal University, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education; Xinxiang 453007 P. R. China
3. NRC Energy, Mining and Environment; National Research Council of Canada; 4250 Wesbrook Mall Vancouver B.C. V6T 1W5 Canada