1. Jiangxi Province Key Laboratory of Mining Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 34100, China
2. China Nerin Engineering Co. Ltd, Nanchang, Jiangxi 330031, China
3. Guangdong Institute of Resources Comprehensive Utilization, Guangzhou 510650, China
4. Hunan Academy of Forestry, Changsha, Hunan 410004, China
5. School of Chemical Engineering, The University of Queensland, St Lucia, Queensland 4072, Australia