1. College of Chemistry and Chemical Engineering,
Jishou University, Hunan Provincial Engineering Laboratory of Integrated
Control and Remediation of Heavy Metal Pollution from Mn−Zn
Mining, Key Laboratory of Mineral Cleaner Production and Exploit of
Green Functional Materials in Hunan Province, and The Collaborative
Innovation Center of Manganese−Zinc-Vanadium Industrial Technology
(the 2011 Plan of Hunan Province), Jishou, Hunan 416000, China