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Nitrate uptake using mesoporous silica embedded with zero-valent palladium nanoparticles

机译:使用嵌入零价钯纳米粒子的中孔二氧化硅的硝酸盐摄取

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摘要

In situ reduction of palladium(II) acetylacetonate during the synthesis of SBA-15 mesoporous silica affords a material impregnated with palladium nanoparticles. The synthesis is at neutral pH and ambient conditions using a continuous flow vortex fluidic device with high shear dynamic thin films, followed by calcination. The SBA-15 is available with considerably reduced processing time relative to the conventional synthesis of mesoporous silica, with the material being effective for nitrate-nitrogen [NO3 -N] removal from aqueous solutions, at 41% within the first 16 hours, or around 36% for the same period after being recycled.
机译:在SBA-15中孔二氧化硅合成期间,在SBA-15的合成期间,乙酰丙酮的原位还原提供浸渍钯纳米颗粒的材料。 合成在中性pH和环境条件下,使用具有高剪切动态薄膜的连续流动涡流流体装置,然后进行煅烧。 SBA-15具有相对于常规合成的介孔二氧化硅的加工时间相对于常规合成,具有从水溶液中除去的硝酸氮[No3-N]的材料,在前16小时内或周围的41% 再循环后,同期36%。

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  • 来源
    《RSC Advances》 |2015年第26期|共5页
  • 作者单位

    Flinders Univ S Australia Sch Chem &

    Phys Sci Flinders Ctr NanoScale Sci &

    Technol Bedford Pk SA 5042 Australia;

    Univ Western Australia Sch Chem &

    Biochem Crawley WA 6009 Australia;

    Univ Melbourne Sch Chem Surface &

    Chem Anal Network Parkville Vic 3010 Australia;

    Univ Melbourne Sch Chem Surface &

    Chem Anal Network Parkville Vic 3010 Australia;

    Curtin Univ Dept Imaging &

    Appl Phys Fuels &

    Energy Technol Inst Perth WA 6845 Australia;

    Curtin Univ Dept Imaging &

    Appl Phys Fuels &

    Energy Technol Inst Perth WA 6845 Australia;

    Flinders Univ S Australia Sch Chem &

    Phys Sci Flinders Ctr NanoScale Sci &

    Technol Bedford Pk SA 5042 Australia;

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

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