ABSTRACT

Water is a vital resource on earth that aids in the sustainability of life. Therefore, maintaining a healthy aquatic environment is of great importance. However, with the progress in the industrial and agricultural sectors, water resources on the earth have been polluted at a high rate during the past decade. Heavy metals and associated pollutants have posed a high and irreversible threat amongst the various types of pollutants added to aquatic ecosystems. Therefore, much research has focused on identifying possible heavy metal remediation techniques for the contaminated aquatic environment. Most of these methods are conventional water treatment methods, while some novel technologies have also been researched. Among the novel water treatment technologies, the nanomaterial-based technique has amongst the highest research priority because of its broad applicability and efficiency. Various types of natural and synthetic nanomaterials have been researched for their relevance in heavy metal remediation from contaminated aquatic environments. This chapter focuses on the nanomaterial-based heavy metal remediation techniques and specifically describes nanomaterial-based adsorption of heavy metals.