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The physicochemical investigation of hydrothermally reduced textile waste and application within carbon-based electrodes

机译：水热减少纺织废物及应用在碳基电极中的物理化学研究

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摘要

Textile waste is on the rise due to the expanding global population and the fast fashion market. Large volumes of textile waste are increasing the need for new methods for recycling mixed fabric materials. This paper employs a hydrothermal conversion route for a polyester/cotton mix in phosphoric acid to generate carbon materials (hydrochars) for electrochemical applications. A combination of characterization techniques revealed the reaction products were largely comprised of two major components. The first is a granular material with a surface C:O ratio of 2:1 interspersed with phosphorous and titanium proved using energy dispersive X-ray spectroscopy, and the other is a crystalline material with a surface C:O ratio of 3:2 containing no phosphorous or titanium. The latter material was found via X-ray diffraction and differential scanning calorimetry to be terephthalic acid. Electrochemical experiments conducted using the hydrochar as a carbon paste electrode demonstrates an increase in current response compared to carbon reference materials. The improved current responses, intrinsically related to the surface area of the material, could be beneficial for electrochemical sensor applications, meaning that this route holds promise for the development of a cheap recycled carbon material, using straightforward methods and simple laboratory reagents.
机译：由于扩大全球人口和快速时装市场，纺织废物正在上涨。大量的纺织废物正在增加对循环混合织物材料的新方法的需求。本文采用磷酸中的聚酯/棉混合物的水热转化途径，以产生电化学应用的碳材料（羟）。表征技术的组合显示，反应产物主要由两个主要成分组成。第一种是具有2：1的表面C：O比使用能量分散X射线光谱证实的颗粒状物质，其中磷酸和钛被证明，另一个是含有3：2的表面C：O比的结晶材料没有磷或钛。通过X射线衍射和差示扫描量热法发现后一种物质是对苯二甲酸。与碳浆料电极的使用氢淀粉进行的电化学实验表明，与碳参考物质相比，电流响应的增加。改进的电流响应，与材料的表面积有关，可能对电化学传感器应用有益，这意味着该路线使用直接方法和简单的实验室试剂对廉价的再生碳材料的开发承担承担承担的承担。

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  • 来源
    《RSC Advances》 |2019年第20期|共14页
  • 作者

    Randviir Edward P.; Kanou Omar; Liauw Christopher M.; Miller Gary J.; Andrews Hayley G.; Smith Graham C.;

  • 作者单位

    Manchester Metropolitan Univ Fac Sci &

    Engn Sch Sci &

    Environm Chester St Manchester M1 5GD Lancs England;

    Manchester Metropolitan Univ Fac Sci &

    Engn Sch Sci &

    Environm Chester St Manchester M1 5GD Lancs England;

    Manchester Metropolitan Univ Fac Sci &

    Engn Sch Healthcare Sci Chester St Manchester M1 5GD Lancs England;

    Manchester Metropolitan Univ Fac Sci &

    Engn Tech Serv Chester St Manchester M1 5GD Lancs England;

    Manchester Metropolitan Univ Fac Sci &

    Engn Tech Serv Chester St Manchester M1 5GD Lancs England;

    Univ Chester Fac Sci &

    Engn Dept Nat Sci Thornton Sci Pk Chester CH2 4NU Cheshire England;

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  • 正文语种 eng
  • 中图分类 化学;
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