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首页> 外文期刊>Journal of Radioanalytical and Nuclear Chemistry >Preparation of amidoximated polymer composite based on CMK-3 for selective separation of uranium from aqueous solutions
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Preparation of amidoximated polymer composite based on CMK-3 for selective separation of uranium from aqueous solutions

机译：基于CMK-3的酰胺肟化聚合物复合材料的制备用于水溶液中铀的选择性分离。

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摘要

The ability of amidoximated mesoporous carbon (AO/CMK-3) by in situ polymerizing acrylonitrile onto the surface of mesoporous carbon (CMK-3) and reducing with hydroxylamine hydrochloride had been explored for the removal and recovery of uranium from aqueous solutions. The monolayer maximum capacity of AO/CMK-3 was improved from 69.20 of CMK-3 to 238.7 mg/g at 298 K. Calculated thermodynamic parameters showed endothermic property of the adsorption process, while kinetic parameters indicated that the interaction followed pseudo-second kinetic model. Selective separation of U(VI) from effluent by AO/CMK-3 was achieved.
机译：已经探索了通过将丙烯腈原位聚合到介孔碳（CMK-3）表面并用盐酸羟胺进行还原的氨基肟化介孔碳（AO / CMK-3）的能力，以从水溶液中去除和回收铀。 AO / CMK-3的单层最大容量从298K的CMK-3的69.20提高到298.30 mg / g。计算的热力学参数显示了吸附过程的吸热特性，而动力学参数表明相互作用遵循伪秒动力学模型。通过AO / CMK-3实现了废水中U（VI）的选择性分离。

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    Zhong-ping Cheng; Yun-hai Liu; Guo-xuan Xiong; Xuan-ping Luo; Xiao-hong Cao; Min Li; Zhi-bin Zhang;

  • 作者单位

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China Institute of Technology">(1);

    State Key Laboratory Breeding Base of Nuclear Resources and Environment East China Institute of Technology">(2);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China Institute of Technology">(1);

    State Key Laboratory Breeding Base of Nuclear Resources and Environment East China Institute of Technology">(2);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China Institute of Technology">(1);

    State Key Laboratory Breeding Base of Nuclear Resources and Environment East China Institute of Technology">(2);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China Institute of Technology">(1);

    State Key Laboratory Breeding Base of Nuclear Resources and Environment East China Institute of Technology">(2);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

    Fundamental Science on Radioactive Geology and Exploration Technology Laboratory East China Institute of Technology">(1);

    State Key Laboratory Breeding Base of Nuclear Resources and Environment East China Institute of Technology">(2);

    School of Chemistry Biological and Materials Science East China Institute of Technology">(3);

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  • 正文语种 eng
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  • 关键词

    Polyacrylamidoxime; Amidoximated mesoporous carbon; In situ polymerization; Uranium; Adsorption;

    机译：聚丙烯酰胺肟氨基肟化的介孔碳;原位聚合;铀;吸附性;

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