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Abstract

Water pollution is one of the foremost environmental issues to deal with worldwide. Heavy metal remediation from water bodies is of particular concern as it persists in environment. Toxic heavy metals released in the water bodies from different sources like fertilizer manufacturing industries, mining, and electroplating which are causing pollution in water and soil systems. Metals like arsenic, lead, and cadmium in drinking water cause several health hazards like skin cancer, allergic dermatitis, hypertension, etc. Increase in industrial activity has headed to enhancement of toxic metal contamination in lakes, rivers, and many other water bodies. Thus it is necessary to develop an eco-friendly, cheap, and efficient method to eliminate heavy metals from the effluent water.

Different improved techniques such as chemical precipitation, adsorption, membrane separation, etc. have been designed to decrease the effect of heavy metals. But the most efficient and economically feasible process among them is adsorption. This chapter covers on low-cost adsorbents and their sources and applications in removal of toxic heavy metal ions from effluent. This chapter also includes a brief summary of readily available cheap adsorbents like zeolite, clay, peat moss, chitosan, and their applications.

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Acknowledgments

The first author expresses appreciation to all co-authors for their contribution in literature review.

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Correspondence to Sujit Sen .

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Maharana, M., Manna, M., Sardar, M., Sen, S. (2021). Heavy Metal Removal by Low-Cost Adsorbents. In: Inamuddin, Ahamed, M., Lichtfouse, E., Asiri, A. (eds) Green Adsorbents to Remove Metals, Dyes and Boron from Polluted Water. Environmental Chemistry for a Sustainable World, vol 49. Springer, Cham. https://doi.org/10.1007/978-3-030-47400-3_10

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