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首页> 外文期刊>Environmental research >Discarded antibiotic mycelial residues derived nitrogen-doped porous carbon for electrochemical energy storage and simultaneous reduction of antibiotic resistance genes(ARGs)
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Discarded antibiotic mycelial residues derived nitrogen-doped porous carbon for electrochemical energy storage and simultaneous reduction of antibiotic resistance genes(ARGs)

机译：废弃的抗生素菌丝体残留衍生的氮掺杂多孔碳，用于电化学能量储存和同时减少抗生素抗性基因（args）

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摘要

The question of how to reasonably dispose and recycle antibiotic mycelial residues (AMRs), a hazardous waste, is a critical issue. The AMRs containing nitrogen-rich organic matters shows a promising alternative feedstock of nitrogen-doped porous carbons (NPCs). Here, the NPCs with the ultrahigh surface area (2574.9 m~2 g~(-1)) were prepared by using the discarded oxytetracycline mycelial residues (OMRs) and further used as an electrode for supercapacitor. A series of experiments including scanning/transmission electron microscope, Brunauer-Emmett-Teller measurement, and electrochemical impedance spectrum revealed that the NPC-2-900 exhibited a high N content, large surface area, and high electrical conductivity. The electrochemical performance of the NPC was tested by cyclic voltammetry, galvanostatic charge/discharge cycling, and rate capability test. The optimized NPC-2-900 displayed distinguish specific capacitance (307 F g~(-1)), cycling stability (over 95% capacitance retention after 2000 cycles even at a high current density of 20 A g~(-1)) and superior rate performance. Of particular interest, the qPCR test indicates the ARGs were reduced in the conversion process from OMRs to NPCs.
机译：如何合理地处理和再循环抗生素菌丝体残留（AMRS），危险废物是一个关键问题。含有富含氮的有机物质的AMR显示出氮掺杂多孔碳（NPC）的有希望的替代原料。这里，通过使用丢弃的羟基霉素菌丝体残留物（OMRS）制备具有超高表面积（2574.9m〜2g〜（-1））的NPC，并进一步用作超级电容器的电极。一系列实验，包括扫描/透射电子显微镜，Brunauer-Emmett-Teller测量和电化学阻抗谱，显示NPC-2-900表现出高N含量，大表面积和高导电性。通过循环伏安法，电镀电荷/放电循环和速率能力测试测试NPC的电化学性能。显示的优化NPC-2-900显示了特定电容（307f g〜（-1）），循环稳定性（即使在20 a g〜（-1）的高电流密度为20 a g〜（-1））和超过2000次数超过95％的电容保留。卓越的速率性能。特别感兴趣的是，QPCR试验表明args从OMRS到NPC的转化过程中减少。

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  • 来源
    《Environmental research》 |2021年第1期|110261.1-110261.8|共8页
  • 作者

    Xu Zhang; Weiwei Cai; Shenlong Zhao; Xinyang Li; Fangxu Jia; Fujun Ma; Hong Yao;

  • 作者单位

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

    School of Chemical and Biomolecular Engineering The University of Sydney Sydney NSW 2006 Australia;

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

    Beijing International Scientific and Technological Cooperation Base of Water Pollution Control Techniques for Antibiotics and Resistance genes School of Civil Engineering Beijing Jiaotong University 3 Shangyuancun Beijing 100044 PR China;

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  • 正文语种 eng
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  • 关键词

    Antibiotic mycelial residues; N-doped porous carbon; Biological waste utilization; Supercapacitor;

    机译：抗生素菌丝残留物;n掺杂多孔碳;生物废物利用;超级电容器;

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