Discharge of heavy metals from industrial, municipal, agricultural and domestic wastewater has become a serious threat for the ecosystem. New class of adsorbents developed during past couple of decades has helped to overcome this growing threat. They have gained popularity due to their distinct characteristic and have shown excellent potential in treatment of wastewater and industrial effluents to be reused for various purposes for the sustainable development of growing society. This paper presents a scientific review of the nanoadsorbents used in recent times in the removal of heavy metals from wastewater, highlighting their efficiency, advantages and the mechanism involved in the removal.
