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Green Synthesis of H_3O_(40)PW_(12)@MIL-100(Fe): Enhanced and Selective Adsorption of Methylene Blue from Aqueous Solution

机译:H_3O_(40)PW_(12)@ MIL-100(Fe)的绿色合成:水溶液中亚甲基蓝的选择性吸附

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摘要

A neoteric metal-organic framework (MOF) based hybrid adsorbent, 12-tungstophosphoric acid (H3O40PW12) embedded MIL-100(Fe) (iron(III) trimesate) denoted as H3O40PW12@MIL-100(Fe), was successfully synthesized by a green strategy (low temperature (95 degrees C) and atmospheric pressure). The structure of H3O40PW12@MIL-100(Fe) was characterized by X-ray powder diffraction (XRPD), Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX) and N-2 adsorption. H3O40PW12@MIL100(Fe) was capable of separating cationic organic molecule methylene blue (MB) from aqueous system and proved to exhibit a higher adsorption and selectivity of MB than pure MIL-100(Fe). The adsorption was favorable at an alkaline condition and the progress obeyed the pseudo-second-order kinetic model. The results identified that this green strategy was a promising strategy to produce MOF based adsorbents with excellent adsorption performance for effective removal of toxic chemicals from waste water.
机译:一种新型金属-有机骨架(MOF)杂化吸附剂,成功地合成了12-钨磷酸(H3O40PW12)嵌入的MIL-100(Fe)(偏苯三酸铁(III)),表示为H3O40PW12 @ MIL-100(Fe)。绿色策略(低温(<95摄氏度)和大气压)。 H3O40PW12 @ MIL-100(Fe)的结构通过X射线粉末衍射(XRPD),傅立叶变换红外光谱(FT-IR),能量色散X射线光谱(EDX)和N-2吸附来表征。 H3O40PW12 @ MIL100(Fe)能够从水性体系中分离出阳离子有机分子亚甲基蓝(MB),并被证明与纯MIL-100(Fe)相比,具有更高的MB吸附和选择性。在碱性条件下吸附是有利的,并且该过程遵循伪二级动力学模型。结果表明,这种绿色策略是生产具有优异吸附性能的MOF基吸附剂的有效方法,可有效去除废水中的有毒化学物质。

著录项

  • 来源
    《Science of advanced materials》 |2018年第2期|172-180|共9页
  • 作者单位

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Hubei Univ, Key Lab Green Preparat & Applicat Funct Mat, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Hubei Key Lab Polymer Mat,Sch Mat Sci & Engn,Mini, Wuhan 430062, Hubei, Peoples R China;

    Natl Taiwan Univ Sci & Technol, Dept Mat Sci & Engn, Taipei 10607, Taiwan;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    Metal-Organic Framework; Polyoxometalate; Adsorption; Methylene Blue; Wastewater Treatment;

    机译:金属有机骨架多金属氧酸盐吸附亚甲基蓝废水处理;

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