Department of Chemistry, Faculty of Science, University of Qom, Qom, 37185-359, Iran.
Department of Chemistry, Faculty of Science, University of Qom, Qom, 37185-359, Iran.
J Hazard Mater. 2021 Jan 5;401:123401. doi: 10.1016/j.jhazmat.2020.123401. Epub 2020 Jul 7.
Numerous hazardous environmental pollutants in water bodies, both organic and inorganic, have become a critical global issue. As greener and bio-synthesized versions of nanoparticles exhibit significant promise for wastewater treatment, this review discusses trends and future prospects exploiting the sustainable applications of green-synthesized nanocatalysts and nanomaterials for the removal of contaminants and metal ions from aqueous solutions. Recent trends and challenges about these nanocatalysts and nanomaterials and their potential applications in wastewater treatment and water purification are highlighted including toxicity and biosafety issues. This review delineates the pros and cons and critical issues pertaining to the deployment of these nanomaterials endowed with their superior surface area, mechanical properties, significant chemical reactivity, and cost-effectiveness with low energy consumption, for removal of hazardous materials and contaminants from water; comprehensive coverage of these materials for industrial wastewater remediation, and their recovery is underscored by recent advancements in nanofabrication, encompassing intelligent and smart nanomaterials.
水体中的大量有机和无机有害环境污染物已成为一个全球性的重大问题。由于绿色和生物合成的纳米粒子在废水处理方面表现出巨大的前景，因此本文综述了利用绿色合成纳米催化剂和纳米材料可持续应用的趋势和未来前景，用于从水溶液中去除污染物和金属离子。本文重点介绍了这些纳米催化剂和纳米材料的最新趋势和挑战及其在废水处理和水净化中的潜在应用，包括毒性和生物安全性问题。本文阐述了这些纳米材料的优缺点以及关键问题，这些纳米材料具有优越的表面积、机械性能、显著的化学反应性和成本效益，低能耗，用于从水中去除有害物质和污染物；全面涵盖了这些材料在工业废水修复方面的应用，以及智能和智能纳米材料等纳米制造方面的最新进展，强调了它们的回收利用。
