1. Department
of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274000, People’s Republic of China
2. School
of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454003, People’s Republic of China
3. State
Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, People’s Republic of China