A novel efficient bioflocculant QZ-7 for the removal of heavy metals from industrial wastewater.

In this study, a novel bioflocculant QZ-7 was produced from 139SI for industrial wastewater treatment. Biochemical analysis, FTIR, scanning electron microscopy-energy dispersive X-ray spectroscopy, and thermogravimetric analysis were performed. A synthetic wastewater sample was used to validate the performance of the prepared OZ-7 for the adsorption efficiency of As, Zn Pb, Cu, and Cd under optimal experimental conditions such as initial metal concentrations, pH, contact time (h) and QZ-7 adsorbent dosage (mg mL).