Water decontamination became a priority-based focused area for environmental scientists and researchers these days. Several contaminants like pesticides (chlorpyrifos, endosulfan, aldrin, lindane, malathion) and heavy metals (As, Pb, Cd, Hg, Cu) are broadly reported in drinking water worldwide. Pesticides and heavy metals build up in drinking water is a danger to all consumers. These pollutants cause a number of deadly diseases like bone deformity, nerve disorder, liver damage and cancer. So, their elimination from drinking water is a must to do thing to save life of the living creatures. Several pollutant removal processes are applied for the eliminations of these contaminants from water, of which adsorption and photocatalysis are latest, effective and focused in this paper. Thus, this review will focused on the recent work done using zinc and iron oxides nanomaterials as adsorbent for the removal of different heavy metals and photocatalysts for the mineralization of various pesticides.

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