1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
2. Biomass Chem Group, Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
3. The Higher Educational Key Laboratory for Phosphorus Chemical Engineering of Yunnan Province, Kunming University of Science and Technology, Kunming, Yunnan 650500, China