Nanchang Hangkong University, Nanchang Hangkong University, Nanchang Hangkong University, Nanchang Hangkong University, Nanchang Hangkong University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Nanchang Hangkong University - National-Local Joint Engineering Research Center of Heavy Metal Pollutants Control and Resource Utilization