RT Journal T1 Persistent free radicals in humin under redox conditions and their impact in transforming polycyclic aromatic hydrocarbons A1 Hanzhong Jia, Yafang Shi, Xiaofeng Nie, Song Zhao, Tiecheng Wang, Virender K. Sharma PB Front. Environ. Sci. Eng. FD 2020-08-15 YR 2020 JF Frontiers of Environmental Science & Engineering JO Front. Environ. Sci. Eng. VO 14 IS 4 SP 73 DO 10.1007/s11783-020-1252-y K1 Humic substance;Polycyclic aromatic hydrocarbons (PAHs);Persistent free radicals (PFRs);Redox;Reactive oxygen species (ROS) LK {https://journal.hep.com.cn/fese/EN/article/article_27555.shtml}