1. College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China
2. National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China
3. Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
4. State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha, China