School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
Hunan Metallurgic Professional Technical College, Zhuzhou 412000, China;
School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
School of Resources Processing and Bioengineering, Central South University, Changsha 410083,China;
School of Resources Processing and Bioengineering, Central South University, Changsha 410083,China;
pyrite; MnO2; bio-oxidation; simultaneous leaching; electro-generation;