A review on synthesis methods and recent applications of nanomaterial in wastewater treatment: Challenges and future perspectives

被引:0
作者
Saravanan, A. [1 ]
Kumar, P. Senthil [2 ,3 ]
Hemavathy, R. V. [4 ]
Jeevanantham, S. [4 ]
Jawahar, Marie Jyotsna [4 ]
Neshaanthini, J. P. [4 ]
Saravanan, R. [5 ]
机构
[1] Saveetha Sch Engn, Inst Biotechnol, Dept Sustainable Engn, SIMATS, Chennai 602105, India
[2] Sri Sivasubramaniya Nadar Coll Engn, Dept Chem Engn, Chennai 603110, India
[3] Sri Sivasubramaniya Nadar Coll Engn, Ctr Excellence Water Res CEWAR, Chennai 603110, India
[4] Rajalakshmi Coll Engn, Dept Biotechnol, Chennai 602105, India
[5] Univ Tarapaca, Dept Mech Engn, Arica, Chile
关键词
Handling Editor; Yasser Vasseghian; Wastewater treatment; Adsorbents; Nanomaterials; Nanoparticles; Green synthesis;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Freshwater has been incessantly polluted by various activities such as rapid industrialization, fast growth of population and agricultural activities. Water pollution is considered as one the major threatens to human health and aquatic bodies which causes various severe harmful diseases including gastrointestinal disorders, asthma, cancer, etc. The polluted wastewater could be treated by different conventional and advanced methodologies. Amongst them, adsorption is the most utilized low cost, efficient technique to treat and remove the harmful pollutants from the wastewater. The efficiency of adsorption mainly depends on the surface properties such as functional group availability and surface area of the adsorbents used. Since various waste-based carbon derivatives are utilized as adsorbents for harmful pollutants removal; nanomaterials are employed as effective adsorbents in recent times due to its excellent surface properties. This review presents an overview of the different types of nanomaterials such as nano-particles, nanotubes, nano-sheets, nano-rods, nano-spheres, quantum dots, etc. which have been synthesized by different chemical and green synthesis methodologies using plants, microorganisms, biomolecules and carbon derivatives, metals and metal oxides and polymers. By concentrating on potential research difficulties, this study offers a new viewpoint on fundamental field of nanotechnology for wastewater treatment applications. This review paper critically reviewed the synthesis of nanomaterials more importantly green synthesis and their applications in wastewater treatment to remove the harmful pollutants such as heavy metals, dyes, pesticides, polycyclic aromatic hydrocarbons, etc.
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页数:17
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