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首页> 外文期刊>ACS applied materials & interfaces >In-Situ Fixation of All-Inorganic Mo-Fe-S Clusters for the Highly Selective Removal of Lead(II)
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In-Situ Fixation of All-Inorganic Mo-Fe-S Clusters for the Highly Selective Removal of Lead(II)

机译：原位固定全无机MO-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FE-FER

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摘要

The selective adsorption by suitable substrate materials is considered one of the most economical methods. In this work, an all inorganic bimetallic Mo-Fe-S cluster is facilely achieved through in situ chemical fixation of tetrathiomolybdate (TTM) on Fe3O4. nanoparticles (NPs) at room temperature (donated as FeMoS NPs). Selective adsorption The bimetallic building blocks on the obtained FeMoS NPs possess a monovacancy species of sulfur, endowing FeMoS NPs with a selectivity order of Zn2+, Mn2+, Ni2+ < Cd2+ Cu2+ < Pb2+ for metal-ion adsorption, a novel application for the Mo-Fe-S clusters. Particularly, with the highest selectivity for Pb2+ (K-d approximate to 10(7)), which is about 3 x 10(3)-1 X 10(6) times higher than those for other ions and has exceeded that of a series of outstanding sorbents reported for Pb", FeMoS NPs can efficiently reduce the concentration of Pb2+ from, similar to 10 ppm to an extremely low level of similar to 1 ppb. This facile and rational fabrication of the Mo-Fe-S cluster with Fe3O4 represents a feasible approach to cheaply develop novel and efficient materials for the selective removal of lead(II).
机译：通过合适的基材材料选择性吸附被认为是最经济的方法之一。在这项工作中，一个全无机双金属钼铁-S簇轻便通过在四硫钼酸盐（TTM）的四氧化三铁上原位化学固定来实现。室温下纳米颗粒（NPS）（作为股骨NPS捐赠）。选择性吸附获得的股骨NPS上的双金属构建块具有硫的单唾液含量，具有Zn2 +，Mn2 +，Ni2 +

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  • 来源
    《ACS applied materials & interfaces》 |2017年第38期|共7页
  • 作者

    Zhang Wentao; Shi Shuo; Zhu Wenxin; Yang Chengyuan; Li Sihang; Liu Xinnan; Hu Na; Huang Lunjie; Wang Rong; Suo Yourui; Li Zhonghong; Wang Jianlong;

  • 作者单位

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Med Xian 710061 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Chinese Acad Sci Northwest Inst Plateau Biol Xining 810008 Qinghai Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Chinese Acad Sci Northwest Inst Plateau Biol Xining 810008 Qinghai Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

    Northwest A&

    F Univ Coll Food Sci &

    Engn Yangling 712100 Shaanxi Peoples R China;

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

    in situ fixation; Mo-Fe-S cluster; Fe3O4 NPs; heavy metal; selective adsorption;

    机译：原位固定;MO-FE-S簇;FE3O4 NPS;重金属;选择性吸附;

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