Journal
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume 40, Issue 9, Pages 2035-2045Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-023-1419-x
Keywords
Water Pollution; Metal Oxides; Nano Alumina; Water Purification; Adsorption; Membranes
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Increasing urbanization and industrialization has led to a high demand for clean potable water, thus nanotechnology is employed to remove pollutants, pathogens, and effluents from water. The use of alumina and its composites as nanomaterials presents a potential solution for water treatment due to their unique properties. Alumina can be coated on membranes and composites can be used to purify water by removing heavy metal ions, dyes, and microbes. This review focuses on the treatment of water using alumina composites, which can be extended to other applications like dye removal and desalination with modifications.
Increasing urbanization and industrialization has led to a dramatic increase in demand for clean potable water. Nanotechnology is used in environmental applications to eliminate pollutants, pathogens, and other effluents from water. Nanomaterials have gained importance in sustainable development. Alumina (Al2O3) and its composites are generally used as nanomaterials because of high surface area, porous nature, large number of active sites, formation of meta-stable phase and hexagonal structure, which makes it a potential candidate for water treatment. The nano alumina can be coated on membranes and the composites can be used for purification of water, specifically for the removal of heavy metal ions, dyes and other microbes. The prime focus of the review paper is the treatment of water using alumina composites; the same can be extended to other applications like dye removal and desalination with some modifications.
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