Abstract
Effective wastewater treatment is a high priority issue around the globe. The problem is more serious in developing and underdeveloped countries that lack an adequate infrastructure for water clean-up and purification. Among many xenobiotics and environmental pollutants in water, heavy metals are considered the most toxic, and their elimination from water is even more challenging. Many methods and approaches have been developed for removing heavy metals from wastewater, but each of these techniques has certain drawbacks. Nanomaterials, especially nanocomposites, have gained tremendous attention in the last two decades due their versatile and multifaceted characteristics. Metal oxides composites have been used for the removal of heavy metals from wastewater with considerably high efficiency. For heavy metal removal, metal composites with other metal oxides, magnetic nanocomposites, polymers, carbon-based materials, and nanofiltration membranes have been reported. This chapter spotlights the current knowledge on metal oxide nanocomposites for the efficient removal of metal ions from wastewater.
Published Version
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