1. Department of Eco-Environment, Hebei University, No. 180 Wusi Dong Road, Lian Chi District, Baoding City, Hebei Province 071002, China
2. Hebei Key Laboratory of Mineral Resources and Ecological Environment Monitoring, Hebei Research Center for Geoanalysis, No. 900 Xiangyang North Street, Jing Xiu District, Baoding City, Hebei Province 071051, China
3. School of Energy and Power Engineering, Xi’An JiaoTong University, No. 28, Xianning West Road, Xi’an, Shanxi 710049, P. R. China
4. College of Chemistry and Materials Science, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Analytical Science and Technology of Hebei Province, Hebei University, No. 180 Wusi Dong Road, Lian Chi District, Baoding City, Hebei Province 071002, China
5. Engineering Technology Research Center for Flame Retardant Materials and Processing Technology of Hebei Province, Hebei University, No. 180 Wusi Dong Road, Lian Chi District, Baoding City, Hebei Province 071002, China
6. Department of Organic Chemistry, Hamhung University of Chemical Engineering, Hoisang 1 Dong, Hoisang District, Hamhung City, South Hamgyong Province 999092, Democratic People’s Republic of Korea