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Abstract
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In the recent decades, the effects of the heavy metal pollution on the environment and public health are widely considered as a global issue. Several methods have been widely used for removal of the heavy metals from water and wastewater;
among them, adsorption processes as a simple and effective process are widely applied for this purpose, and various types of the materials including activated carbon, zeolites, biosorbents, and raw materials, have been utilized as adsorbents
sources. The conversion of the waste materials such as ash, sawdust, and activated sludge to the adsorbents can be described as an effective strategy for waste management and treatment; due to availability, low in cost, and high performance, these prepared adsorbents from waste materials are economic and ecofriendly. In this chapter, a wide range of prepared adsorbents from low-cost and waste materials for heavy metals removal from aqueous media were studied.
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