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- W2912994270 abstract "通过在双金属氢氧化物MgAl-LDHs表面定向固定纳米尺度的CoZn-ZIF，并原位生长形成CoZn-ZIF/MgAl-LDHs复合材料.利用扫描电子显微镜（SEM），傅里叶变换红外光谱仪（FT-IR），X射线衍射（XRD）和热重差热综合热分析仪（TGA/DSC）分析手段对材料进行表征，考察CoZn-ZIF/MgAl-LDHs复合材料对正己烷中碘分子的吸附行为，讨论了吸附时间和吸附温度对吸附性能的影响.此外，还对吸附过程的吸附动力学和热力学进行详细的研究，考察准一级和准二级动力学模型，Langmuir和Freundlich等温吸附模型探究该材料的吸附机理.实验结果表明，CoZn-ZIF/MgAl-LDHs对碘的吸附行为符合准二级动力学模型，吸附平衡时间为225 min.通过Langmuir等温方程得到最大平衡吸附量为344.3322 mg·g-1，碘的吸附过程更好地拟合Freundlich等温方程，说明反应是多分子层吸附过程，同时，由热力学数据得知该吸附是以物理吸附为主的放热过程，降低温度对吸附过程更有利." @default.
- W2912994270 created "2019-02-21" @default.
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- W2912994270 date "2019-02-06" @default.
- W2912994270 modified "2023-09-23" @default.
- W2912994270 title "CoZn-ZIF/MgAl-LDHs制备及其对碘吸附性能的研究" @default.
- W2912994270 doi "https://doi.org/10.13671/j.hjkxxb.2018.0361" @default.
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