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首页> 外文期刊>Journal of Hazardous Materials >Toward broader applications of iron ore waste in pollution control: Adsorption of norfloxacin
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Toward broader applications of iron ore waste in pollution control: Adsorption of norfloxacin

机译：走向污染控制中铁矿石废物的更广泛应用：诺氟沙星的吸附

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摘要

Norfloxacin, a kind of antibiotic frequently detected in environments, represents a group of non-persistent organic pollutants with latent risks to the ecosystem. Iron ore waste, generated and accumulated in large quantities from the iron/steel industry, was evaluated as a potential sorbent for norfloxacin removal. Kinetics analysis showed that the adsorption process reached equilibrium at 72 h, and the adsorption process could be best defined by the pseudo-second-order kinetics with the primary mechanism of norfloxacin adsorption suggested to be cation exchange. Further, adsorption of norfloxacin to iron ore waste was shown to be facilitated by the pH range of 2-10, low cation concentration, and low temperature, which are characteristic of natural surface waters, suggesting the potential of practical applications in aquatic environments. These findings provide new insight into the potentials of beneficial reuse for iron ore waste in the adsorptive removal of environmental pollutants.
机译：在环境中经常检测到的一种抗生素，代表了一组非持久性有机污染物，对生态系统具有潜在风险的一组非持久性有机污染物。 铁矿石废物，从钢铁工业中大量产生和积累，被评价为诺氟沙星去除的潜在吸附剂。 动力学分析表明，吸附过程在72小时的72小时达到平衡，并且吸附过程可以通过伪二阶动力学具有最佳定义，具有诺氟沙星吸附的主要机制，建议是阳离子交换。 此外，显示诺氟沙星对铁矿石废物的吸附，促进了2-10的pH范围，低阳离子浓度和低温，这是天然表面水域特征，表明水生环境中的实际应用的潜力。 这些调查结果为铁矿石废物中的有益再利用在环境污染物的吸附中的潜力提供了新的洞察力。

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  • 来源
    《Journal of Hazardous Materials》 |2021年第15期|126273.1-126273.8|共8页
  • 作者

    Fang Nan; He Qiang; Sheng Long; Xi Yanhua; Zhang Liping; Liu Hongwei; Cheng Huicai;

  • 作者单位

    Hebei Acad Sci Inst Biol Shijiazhuang 050081 Peoples R China|Hebei Univ Inst Life Sci & Green Dev Baoding 071002 Peoples R China;

    Univ Tennessee Dept Civil & Environm Engn Knoxville TN USA;

    Chengde City Geol Team Chengde 067000 Peoples R China;

    Hebei Acad Sci Inst Biol Shijiazhuang 050081 Peoples R China;

    Hebei Acad Sci Inst Biol Shijiazhuang 050081 Peoples R China;

    Hebei Acad Sci Inst Biol Shijiazhuang 050081 Peoples R China;

    Hebei Acad Sci Inst Biol Shijiazhuang 050081 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Iron ore waste; Adsorption; Norfloxacin; Antibiotics; Cation exchange;

    机译：铁矿石废物;吸附;诺福克西林;抗生素;阳离子交换;

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