Investigating the Use of Various Parts of Moringa oleifera for Removal of Mercury and Arsenic from Contaminated Water
Keywords:Biosorbent, adsorption, concentrations, mercury ion, arsenic ion
Industrialization and civilization has increased the level of toxic metal ions found in the various spheres of the environment including the hydrosphere. Hence, emergent technologies that are economically feasible and highly efficient must be studied and explored, with the aim of promoting better environmental and human life quality. Plants are known to remove heavy metal ions from wastewater. In this study, the potential of various parts of Moringa oleifera; dry pod, seed, fresh pod, root, bark, and leaves to remove As (III) and Hg (II) ions were investigated and the chemical composition involved in this biofiltration were
characterized using Fourier Transform Infrared (FT-IR) Spectroscopy. The various parts of Moringa oleifera used as biosorbent were pretreated before used as a biofilter. The removal of Hg (II) by the pretreated Moringa oleifera various parts biosorbents were higher compared to the removal of As (III) ions by the same parts. This research showed that Moringa oleifera various parts have the potential to be used in the removal of Hg (II) metal ions from wastewaters.
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