In Situ Polyaniline Immobilized ZnO Nanorods for Efficient Adsorptive Detoxification of Cr (VI) from Aquatic System

The elimination of toxic heavy metal ions from wastewater has been found to be great importance in human as well marine animal wellbeing. Among various metals, Cr (VI) one the highly and carcinogenic metals which are dissolved water stream, urgent treatment needs a priority. present study demonstrates fabrication zinc oxide nanorods (ZnO NRs) an immobilized polyaniline nanorod (ZnO@PAni NR) composite through situ free radical polymerization reactions. material synthesis purity were verified by X-ray diffractometer (XRD), Fourier transform infrared (FTIR), scanning electron microscope (SEM), energy dispersive spectroscope (EDS), transmission (TEM). Further, ZnO@PAni NRs applied adsorbent for aquatic system exhibited tremendous removal efficiency 98.76%. impact operating parameters such dose effect pH on adsorption properties studied. uptake mechanism was best explained pseudo-second-order reaction, suggested that synthesized processed chemisorption, i.e., formation chemical bonds. process proved viable endothermic thermodynamically, supported Langmuir model, suggesting monolayer surface NRs.