[Wu, Xiaofu; Zhao, Fang] Cent S Univ Forestry & Technol, Inst Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China.
[Zhou, Hailan] Hunan Acad Environm Protect, Changsha 410004, Hunan, Peoples R China.
[Zhao, Chong] Shandong Water Polytechn, Rizhao, Shandong, Peoples R China.
[Wu, Xiaofu] Cent S Univ Forestry & Technol, Inst Environm Sci & Engn, Shaoshan S Rd, Changsha 410004, Hunan, Peoples R China.