糯米粉负载纳米零价铁去除溶液中U（Ⅵ）的研究
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陈蓉,桑伟璇,李小燕,何登武,王杨,曹小岗
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Removal of U(Ⅵ) in aqueous solution by nano zero-valent iron loaded with glutinous rice powder
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Rong Chen,Weixuan Sang,Xiaoyan Li,Dengwu He,Yang Wang,Xiaogang Cao
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表4 GR-nZVI吸附U（Ⅵ）的热力学参数
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| c0/（mg·L-1） | ΔHΘ/（kJ·mol-1） | ΔSΘ/（kJ·mol-1·K-1） | ΔGΘ/（kJ·mol-1） | | 293 K | 298 K | 303 K | 308 K | | 5 | 120.869 2 | 0.439 4 | -8.277 1 | -9.497 2 | -12.547 5 | -14.602 4 | | 10 | 114.619 1 | 0.415 5 | -7.689 1 | -8.220 2 | -11.877 6 | -13.418 3 | | 20 | 119.689 7 | 0.428 9 | -6.929 8 | -7.246 5 | -9.402 0 | -13.441 9 | | 30 | 74.810 2 | 0.269 6 | -4.486 7 | -5.220 7 | -6.761 2 | -8.488 3 | | 40 | 65.952 7 | 0.235 1 | -3.169 0 | -3.942 0 | -5.145 1 | -6.704 2 | | 50 | 65.074 2 | 0.229 7 | -2.394 7 | -3.240 9 | -4.453 4 | -5.830 4 | | 60 | 57.197 7 | 0.202 1 | -2.147 2 | -2.948 9 | -4.018 0 | -5.167 3 | | 70 | 57.817 7 | 0.202 9 | -1.696 4 | -2.581 0 | -3.696 0 | -4.708 6 | | 80 | 54.637 6 | 0.191 0 | -1.426 1 | -2.184 7 | -3.269 5 | -4.252 7 |
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