Journal
CHEMOSPHERE
Volume 289, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2021.132867
Keywords
Nanomemebrane; Nanotechnology; Pollutants; Metal oxides; Nanocomposites
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One of the modern challenges is to provide clean and affordable drinking water, with water scarcity caused by growing population and pollution. Nanotechnology has provided innovative solutions for water treatment, with breakthroughs in the past four decades including the use of nanomaterials and nanomembranes. While engineered nanomembranes, nanocomposites and nanoparticles have been effective in water purification, there are still risks and challenges to be addressed in their future use.
One of the modern challenges is to provide clean and affordable drinking water. Water scarcity is caused by the growing population in the world and pollutants contaminate all remaining water sources. Innovative water treatment solutions have been provided by nanotechnology. Microorganisms, organic suspensions, and inorganic heavy metal ions, among other things, are common water contaminants. Since antiquity, a wide range of water clean-up methods have been employed to address this issue. Breakthroughs in water purification procedures have occurred during the previous four decades, with the most significant one being the use of nanomaterials and nanomembranes. Nanoparticles and nanomembranes (polymeric membranes) have recently been used in engineered materials (TiO2, ZnO, CuO, Ag, CNT's and mixed oxide nanoparticles, for example). Engineered nanomembranes, nanocomposites and nanoparticles have been used in this review article's discussion of water purification technologies. The review also discusses the risk and solutions of using nanoparticles and nanocomposites in the future.
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