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A Review on Heavy Metal Ions and Containing Dyes Removal Through Graphene Oxide-Based Adsorption Strategies for Textile Wastewater Treatment
The Chemical Record ( IF 7.0 ) Pub Date : 2021-02-04 , DOI: 10.1002/tcr.202000153 Sasireka Velusamy 1 , Anurag Roy 1 , Senthilarasu Sundaram 1 , Tapas Kumar Mallick 1
The Chemical Record ( IF 7.0 ) Pub Date : 2021-02-04 , DOI: 10.1002/tcr.202000153 Sasireka Velusamy 1 , Anurag Roy 1 , Senthilarasu Sundaram 1 , Tapas Kumar Mallick 1
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Textile wastewater heavy metal pollution has become a severe environmental problem worldwide. Metal ion inclusion in a dye molecule exhibits a bathochromic shift producing deeper but duller shades, which provides excellent colouration. The ejection of a massive volume of wastewater containing heavy metal ions such as Cr (VI), Pb (II), Cd (II) and Zn (II) and metal-containing dyes are an unavoidable consequence because the textile industry consumes large quantities of water and all these chemicals cannot be combined entirely with fibres during the dyeing process. These high concentrations of chemicals in effluents interfere with the natural water resources, cause severe toxicological implications on the environment with a dramatic impact on human health. This article reviewed the various metal-containing dye types and their heavy metal ions pollution from entryway to the wastewater, which then briefly explored the effects on human health and the environment. Graphene-based absorbers, specially graphene oxide (GO) benefits from an ordered structured, high specific surface area, and flexible surface functionalization options, which are indispensable to realize a high performance of heavy metal ion removal. These exceptional adsorption properties of graphene-based materials support a position of ubiquity in our everyday lives. The collective representation of the textile wastewater‘s effective remediation methods is discussed and focused on the GO-based adsorption methods. Understanding the critical impact regarding the GO-based materials established adsorption portfolio for heavy metal ions removal are also discussed. Various heavy-metal ions and their pollutant effect, ways to remove such heavy metal ions and role of graphene-based adsorbent including their demand, perspective, limitation, and relative scopes are discussed elaborately in the review.
中文翻译：
基于氧化石墨烯的吸附策略去除重金属离子和含染料的纺织废水处理综述
纺织废水重金属污染已成为世界范围内严重的环境问题。染料分子中包含的金属离子表现出红移，产生更深但更暗的色调，从而提供出色的着色。排放大量含有 Cr (VI)、Pb (II)、Cd (II) 和 Zn (II) 等重金属离子和含金属染料的废水是不可避免的后果，因为纺织工业消耗大量在染色过程中，水和所有这些化学物质不能完全与纤维结合。流出物中这些高浓度的化学物质会干扰天然水资源，对环境造成严重的毒理学影响，对人类健康产生巨大影响。本文综述了各种含金属染料类型及其从入口到废水的重金属离子污染，然后简要探讨了对人类健康和环境的影响。基于石墨烯的吸收剂，特别是氧化石墨烯 (GO) 受益于有序结构、高比表面积和灵活的表面功能化选项，这些是实现高性能重金属离子去除必不可少的。石墨烯基材料的这些卓越的吸附特性支持我们日常生活中无处不在的地位。讨论了纺织废水有效修复方法的集体表示，并重点关注基于 GO 的吸附方法。还讨论了对基于 GO 的材料建立的吸附组合对重金属离子去除的关键影响的理解。综述中详细讨论了各种重金属离子及其污染效应，去除这些重金属离子的方法和石墨烯基吸附剂的作用，包括它们的需求、前景、局限性和相关范围。
更新日期：2021-02-04
中文翻译：
基于氧化石墨烯的吸附策略去除重金属离子和含染料的纺织废水处理综述
纺织废水重金属污染已成为世界范围内严重的环境问题。染料分子中包含的金属离子表现出红移，产生更深但更暗的色调，从而提供出色的着色。排放大量含有 Cr (VI)、Pb (II)、Cd (II) 和 Zn (II) 等重金属离子和含金属染料的废水是不可避免的后果，因为纺织工业消耗大量在染色过程中，水和所有这些化学物质不能完全与纤维结合。流出物中这些高浓度的化学物质会干扰天然水资源，对环境造成严重的毒理学影响，对人类健康产生巨大影响。本文综述了各种含金属染料类型及其从入口到废水的重金属离子污染，然后简要探讨了对人类健康和环境的影响。基于石墨烯的吸收剂，特别是氧化石墨烯 (GO) 受益于有序结构、高比表面积和灵活的表面功能化选项，这些是实现高性能重金属离子去除必不可少的。石墨烯基材料的这些卓越的吸附特性支持我们日常生活中无处不在的地位。讨论了纺织废水有效修复方法的集体表示，并重点关注基于 GO 的吸附方法。还讨论了对基于 GO 的材料建立的吸附组合对重金属离子去除的关键影响的理解。综述中详细讨论了各种重金属离子及其污染效应，去除这些重金属离子的方法和石墨烯基吸附剂的作用，包括它们的需求、前景、局限性和相关范围。
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