1. State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization , Kunming University of Science and Technology , Kunming , Yunnan 650093 , P. R. China
2. Engineering Research Center of Metallurgical Energy Conservation and Emission Reduction, Ministry of Education , Kunming University of Science and Technology , Kunming , Yunnan 650093 , P. R. China
3. GreenNovo Environment Technology Co., Ltd. , Honghe 654400 , Yunnan , China