1. College of Energy, Xiamen University, Xiang’an South Road, Xiamen 361102, P. R. China
2. School of Environmental Engineering, Henan University of Technology, Lianhua Street 100, Zhengzhou 450001, P. R. China
3. Fujian Engineering and Research Center of Clean and High-valued Technologies for Biomass, Xiamen Key Laboratory of Clean and High-valued Utilization for Biomass, Xiang’an South Road, Xiamen 361102, P. R. China
4. Henan Academy of Sciences, Hongzhuan Road 58, Zhengzhou 450008, P. R. China
5. Institute of Urban and Rural Mining, Changzhou University, Gehu Middle Road 21, Changzhou 213164, P. R. China