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