[Zhu, Jing;Li, Wenzhang;Li, Jie;Li, Yaomin;Hu, Haishi] Cent S Univ, Sch Chem & Chem Engn, Minist Educ, Key Lab Resources Chem Nonferrous Met, Changsha 410083, Hunan, Peoples R China.^[Yang, Yahui] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.