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    Superhydrophobic Pt@SBA-15 catalyst for tritium separation in liquid phase catalytic exchange

    Year: 2023

    Journal: International Journal of Hydrogen Energy, Volume 48, 2023-01-15

    Authors: Lu, Zengqi; Fu, Xiaolong; Li, Jiamao; Hou, Jingwei; Ran, Guangming; Xiao, Chengjian; Wang, Xiaolin

    Keywords: Hydrogen-water isotope exchange; Superhydrophobic catalyst; Tritium

    Through the modification of mesoporous silica (SBA-15), a hydrophobic microscopic reaction environment was constructed, which was beneficial to improve the catalytic activity of the LPCE reaction. The Pt@SBA-15-tetramethyldisilazane catalyst is prepared by the modification of the SBA-15 carrier and the loading of metal Pt, with a water contact angle of 158°. This superhydrophobic structure can enhance the catalytic performance and can prevent the deactivation of the catalyst. By measuring the actual catalytic performance of tritium water under different conditions, we found that it has good catalytic activity, and the catalyst can still maintain a high catalytic activity after 30 days in tritium water environment.
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