1. College of Energy and Fujian Engineering and Research Center of Clean and High-valued Technologies for Biomass; Xiamen Key Laboratory of Clean and High-valued Applications of Biomass, Xiamen University, Xiang’an South Road, Xiamen 361102, P. R. China
2. Henan Key Laboratory of Biomass Energy, Huayuan Road 29, Zhengzhou, Henan 450008, P. R. China