With the ultimate aim of reducing the volume of radioactive-cesium-contaminated soil generated by the nuclear power plant accident in Fukushima Prefecture in 2011, this study focuses on the desorption of Cs+ ions from minerals that strongly adsorb Cs+, such as clay, using the ion-association reagents sodium tetrakis(4-fluorophenyl)borate hydrate (NaTFPB) and sodium tetraphenylborate (NaTPB) under mild conditions. A-type zeolite was selected as a representative aluminosilicate mineral with a high cesium adsorption capacity. NaTFPB exhibits stronger hydrophobic interactions with Cs+ and improved Cs+ compared to NaTPB; a desorption efficiency of 89.4% was achieved at a 10:1 NaTFPB/cesium molar ratio.

中文翻译：

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使用四(4-氟苯基)硼酸钠和四苯基硼酸钠去除A型沸石中的铯离子

为了最终减少 2011 年福岛县核电站事故产生的放射性铯污染土壤的体积，本研究重点研究了从强烈吸附 Cs+ 的矿物质（如粘土）中解吸 Cs+ 离子，使用离子缔合试剂四（4-氟苯基）硼酸钠水合物（NaTFPB）和四苯基硼酸钠（NaTPB）在温和条件下。选择A型沸石作为具有高铯吸附能力的代表性铝硅酸盐矿物。与 NaTPB 相比，NaTFPB 与 Cs+ 表现出更强的疏水相互作用，并改善了 Cs+ 在 10:1 NaTFPB/铯摩尔比下，解吸效率达到 89.4%。