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A magnetically separable and recyclable g-C3N4/Fe3O4/porous ruthenium nanocatalyst for the photocatalytic degradation of water-soluble aromatic amines and azo dyes

机译:用于光催化降解水溶性芳香胺和偶氮染料的磁性可分离和可再循环的G-C3N4 / Fe3O4 /多孔钌纳米催化剂

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摘要

Herein, we present the development of a visible-light-driven magnetically retrievable nanophotocatalyst made of porous ruthenium nanoparticles supported on magnetic carbon nitride (g-C3N4/Fe3O4/p-RuNP) for the facile removal/degradation of aromatic amines and azo dyes from wastewater. Aromatic amines and azo-based dyes in water bodies are highly toxic and carcinogenic even at very low concentrations and are difficult to separate because of their high solubility. Our nanocatalyst can efficiently degrade/decompose the aromatic amines and azo dyes under visible light (LED/sunlight) at room temperature and in a wide pH range (pH 5.0-9.0) without using any external chemicals. The magnetic property of the nanocatalyst facilitates its efficient and facile separation from the reaction mixture for reuse in multiple photocatalytic cycles. The nanocatalyst-based degradation of azo dyes and aromatic amines presented here is simple and convenient in terms of efficiency, energy, reusability and cost. The process also does not require any external chemicals and forms gaseous/less harmful end products.
机译:在此,我们介绍了由支撑在磁性碳氮化物(G-C3N4 / FE3O4 / P-RUN)的多孔钌纳米颗粒制成的可见光驱动的可磁性可检索纳米光催化剂的开发,用于芳族胺和偶氮染料的容易去除/降解废水。在水体中的芳族胺和基于偶氮的染料即使在非常低的浓度下也具有高毒性和致癌性,并且由于其高溶解性而难以分离。我们的纳米催化剂可以在室温下的可见光(LED /阳光)下有效地降解/分解芳族胺和偶氮染料,在不使用任何外部化学物质的情况下在宽的pH范围内(pH 5.0-9.0)。纳米催化剂的磁性促进其与反应混合物的有效和容易分离,以便在多个光催化循环中重用。这里呈现的亚氮染料和芳族胺的纳米催化剂降解在效率,能量,可重用性和成本方面简单方便。该方法还不需要任何外部化学品并形成气体/较少的有害最终产品。

著录项

  • 来源
    《RSC Advances》 |2020年第10期|共9页
  • 作者

    Sahoo Anupam; Patra Srikanta;

  • 作者单位

    Indian Inst Technol Bhubaneswar Sch Basic Sci Khurja 752050 Odisha India;

    Indian Inst Technol Bhubaneswar Sch Basic Sci Khurja 752050 Odisha India;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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