Journal
CHEMOSPHERE
Volume 280, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2021.130595
Keywords
Water pollution; Sustainability; Environmental effects; Membrane separation; Pollutant degradation
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Effluent from anthropogenic activities has led to a notable impact on the environment, particularly on water quality. Various pollutants in water can be removed using physical, chemical, and biological methods, with membrane separation and adsorption techniques being more effective. Recent research has focused on the development of wastewater treatment technologies, with a recognition of the challenges in enhancing treatment methodologies for commercial application.
Release of pollutants due to inflating anthropogenic activities has a conspicuous effect on the environment. As water is uniquely vulnerable to pollution, water pollution control has received a considerable attention among the most critical environmental challenges. Diverse sources such as heavy metals, dyes, pathogenic and organic compounds lead to deterioration in water quality. Demand for the pollutant free water has created a greater concern in water treatment technologies. The pollutants can be mitigated through physical, chemical and biological methodologies thereby alleviating the health and environmental effects caused. Diverse technologies for wastewater treatment with an accentuation on pretreatment of feedstock and post treatment are concisely summed up. Pollutants present in the water can be removed by processes some of which include filtration, reverse osmosis, degasification, sedimentation, flocculation, precipitation and adsorption. Membrane separation and adsorption methodologies utilized to control water pollution and are found to be more effective than conventional methods and established recovery processes. This audit relatively features different methodologies that show remarkable power of eliminating pollutants from wastewater. This review describes recent research development on wastewater treatment and its respective benefits/applications in field scale were discussed. Finally, the difficulties in the enhancement of treatment methodologies for pragmatic commercial application are recognized and the future viewpoints are introduced. (C) 2021 Elsevier Ltd. All rights reserved.
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