1. School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
2. Institute of Chemical Sciences, University of Peshawar, Peshawar 25120, Khyber Pakhtunkhwa Pakistan
3. Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 520004, P.R. China
4. School of Mechanics, Guangxi University, Nanning 530004, China