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首页> 外文期刊>ACS Sustainable Chemistry & Engineering >Treatment of Hazardous Engineered Nanomaterials by Supermagnetized alpha-Cellulose Fibers of Renewable Paper-Waste Origin
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Treatment of Hazardous Engineered Nanomaterials by Supermagnetized alpha-Cellulose Fibers of Renewable Paper-Waste Origin

机译:可再生纸废弃物血管纤维纤维治疗危险工程纳米材料

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摘要

Engineered nanomaterials (ENMs) are posing detrimental ramifications to human health in general and aquatic wildlife in particular. Herein, we report treatment of three types of ENMs, namely, CuO, CoO, and ZnO by a magnetic composite (Fe(3)O(4)NPs) with alpha-cellulose fibers of paper-waste origin (PW-alpha CF). The removal efficiency of Fe3O4@PW-alpha CFs for (CuO), (CoO), and (ZnO) was obtained to be 850, 946, and 929 mg.g(-1), respectively. The adsorption efficacy observed optimum at pH 6 to 7; thus, this system was based on hydroxyl groups of PW-alpha CFs. Also, to validate the real-world applications, the ENM removal capacity of Fe3O4@PW-alpha CFs was assessed in different water sources such as a river, pond, and wastewater (spiked together with CuO, CoO, and ZnO). Furthermore, unprecedented energy dispersive spectrometric (EDS) mapping was employed to illustrate the ENMs loading on Fe3O4@PW-alpha CFs and to reveal the role of Fe3O4 NPs surface in the deposition of heavyweight aggregates of ENMs. The robust integration of ENMs onto Fe3O4@PW-alpha CF surfaces rules-out the ENMs leaching back into the aqueous media. Hence, abundant availability and their functionalities such as hydroxyl groups, lightweight, high-surface area, and rapid magnetic separation, proved Fe3O4@PW-alpha CFs as an attractive bionanocomposite material for ENMs remediation and utilization in various applications.
机译:工程化纳米材料(ENMS)在一般和水生野生动物中对人类健康造成了不利的影响。在此,通过用纸废物源的α-纤维素纤维(PW-αCF),通过磁性复合物(Fe(3)O(4)NPS)报告用磁性复合物(Fe(3)O(4)NPS)治疗三种类型的烯醇,即CuO,CoO和ZnO(PW-αCF) 。将Fe3O4 @ PW-αCFS的去除效率(CUO),(COO)和(ZnO)得到为850,946和929mg.g(-1)。吸附功效观察到最佳pH6至7;因此,该系统基于PW-αCFS的羟基。此外,为了验证现实世界应用,在河流,池塘和废水等不同水源中评估FE3O4 @ PW-αCFS的enm去除能力(与CUO,COO和ZnO一起飙升)。此外,采用前所未有的能量分散光谱(EDS)映射来说明Fe3O4 @ PW-αCFS上的蜗牛加载,并揭示Fe3O4 NPS表面在eNM的重量级聚集体沉积中的作用。 enms到Fe3O4 @ pw-alpha Cf表面的鲁棒集成将蜗牛浸出回到水性介质中。因此,优化的可用性及其官能团如羟基,轻质,高表面积和快速磁性分离,证明了Fe3O4 @ PW-αCFS作为一种有吸引力的脱硫复合材料,用于各种应用中的eNMS修复和利用。

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  • 作者单位

    Dongguk Univ Seoul Res Inst Biotechnol &

    Med Converged Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Pusan Natl Univ Coll Nanosci &

    Nanotechnol Dept Opt &

    Mechatron Engn Cognomechatron Engn Busan 46241 South Korea;

    Dongguk Univ Seoul Coll Life Sci &

    Biotechnol Dept Biol &

    Environm Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Coll Life Sci &

    Biotechnol Dept Biol &

    Environm Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Res Inst Biotechnol &

    Med Converged Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Dept Food Sci &

    Biotechnol 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Coll Life Sci &

    Biotechnol Dept Life Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Coll Life Sci &

    Biotechnol Dept Biol &

    Environm Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

    Dongguk Univ Seoul Coll Life Sci &

    Biotechnol Dept Biol &

    Environm Sci 32 Dongguk Ro Goyang Si 10326 Gyonggido South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    paper waste; cellulose fibers; magnetic separation; remediation of engineered nanomaterials; metal oxides;

    机译:纸垃圾;纤维素纤维;磁性分离;修复工程纳米材料;金属氧化物;

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