The issue of wastewater impurities along harmful heavy metal ion is rather critical. All professional and academic areas connected with environmental engineering, nanotechnology based wastewater treatment and related product design are incorporated and provide an essentialresource. Efficient removal of heavy metals from water and wastewater is a necessity for human and environmental well-being. Batch experiments were carried out for the removal of heavy metals from mining The book is particularly useful for wastewater technology development laboratories and organizations. Third Edition, TATA McGrawhill. High demand of water due to increase in population High amount of wastewater is generated The wastewater contains micro-organisms, organics, heavy metals and toxicants. The experimental parameters such as contact time, adsorbent dosage and pH have been studied on the percentage removal of metal ions. 2001); Cr (Ouki et al. However, CAC remains an expensive material for heavy metal removal. The maghemite and magnetite NPs of 122nm and 74nm were synthesized using a co precipitation method and characterized by Nanometer particle size analysis (NANOPHOX) and TEM, X-ray diffraction (XRD). Different technologies have been used for the removal of heavy metals from wastewater. Industries that utilize heavy metals in their processes are more concerned than ever about toxic heavy metals in their wastewater treatment processes and sludge and the impact these heavy metals have on both the environment and their bottom line. These MOFs are synthesized by the coordination of organic ligands with metal ion precursors. Nanotechnology has proved to be an efficient and less expensive tool for industrial water treatment. A large quantity of agricultural waste is burnt by the farmers in India, which creates environmental problem as well as loss of economy. (2014) Removal of Some Heavy Metals from Wastewater by Using of Fava Beans. The number of industries using heavy metals such as copper, chromium, nickel, zinc, etc. The sorption mechanism of biomass can consist of several steps including chemisorption, complexation, adsorption on surface, diffusion through pores, and ion exchange. in their process is also leaving behind the effluent containing a large amount of heavy metals which discharged directly to the water bodies. In this paper we focus on nanomaterials used for treatment of wastewater containing heavy metals. Pollution of water with heavy metals is a global environmental problem whose impact is especially severe in developing countries. 40 The amount of metal bound by the biosorbents was calculated as follows: Q = v(Ci-Cf)/m Where Q is the metal uptake (mg metal per g biosorbent), v the liquid sample volume (ml), Ci the initial concentration of the metal in the solution (mg/L), Cf the final (equilibrium) concentration of the metal in the solution Nanotechnology in Industrial Wastewater Treatment is a state of the art reference book. The use of agricultural waste to remove heavy metals from wastewater has attracted much attention due to its economic advantages and high removal efficiency which is attributed to different functional groups. They mainly include: precipitation, ion exchange, membrane processes, evaporation, chemical oxidation or reduction, solvent extrac- tion and biological materials. 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