1. Institute of Chemical Industry of Forest Products, CAF, Key Lab. of Biomass Energy and Material, Jiangsu Province, National Engineering Research Center of Low‐Carbon Processing and Utilization of Forest Biomass, Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, Jiangsu Co‐Innovation Center of Efficient Processing and Utilization of Forest Resources Nanjing 210042 China
2. Research Institute of Forestry New Technology, CAF Beijing 100091 China