1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
2. Xishuangbanna Prefecture Comprehensive Inspection Center of Quality and Technical Supervision, Jinghong 666100, China
3. Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, China
4. Yunnan Research Academy of Eco-Environmental Sciences, Kunming 650093, China