Effective water/wastewater treatment methodologies for toxic pollutants removal: Processes and applications towards sustainable development

被引:704
作者
Saravanan, A. [1 ]
Kumar, P. Senthil [2 ]
Jeevanantham, S. [1 ]
Karishma, S. [1 ]
Tajsabreen, B. [1 ]
Yaashikaa, P. R. [3 ]
Reshma, B. [2 ]
机构
[1] Rajalakshmi Engn Coll, Dept Biotechnol, Chennai 602105, Tamil Nadu, India
[2] Sri Sivasubramaniya Nadar Coll Engn, Dept Chem Engn, Chennai 603110, Tamil Nadu, India
[3] Saveetha Univ, Saveetha Sch Engn, Saveetha Inst Med & Tech Sci, Dept Biotechnol, Chennai 602105, Tamil Nadu, India
关键词
Water pollution; Sustainability; Environmental effects; Membrane separation; Pollutant degradation; DRINKING-WATER TREATMENT; HEAVY-METAL REMOVAL; AQUEOUS-SOLUTION; ORGANIC POLLUTANTS; CHEMICAL POLLUTION; PLANT-GROWTH; WASTE-WATER; DYE; PHYTOREMEDIATION; ADSORPTION;
D O I
10.1016/j.chemosphere.2021.130595
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
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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页数:15
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