| 柠檬醛在La2O3/γ-Al2O3催化剂上的等温吸附 |
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| 引用本文： | 冉雷,陈希慧.柠檬醛在La2O3/γ-Al2O3催化剂上的等温吸附[J].工业催化,2013,21(7):45-48. |
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| 作者姓名： | 冉雷 陈希慧 |
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| 作者单位： | 广西大学化学化工学院，广西 南宁 530004 |
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| 基金项目： | 广西自然科学基金(桂科自0447002)资助项目 |
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| 摘 要： | 对柠檬醛-乙酸乙酯溶液中柠檬醛在La2O3/γ-Al2O3催化剂上等温吸附行为进行了研究。结果表明，30 ℃柠檬醛在La2O3/γ-Al2O3催化剂上的吸附动力学符合准二阶吸附动力学模型，吸附动力学方程为：1/qt=2.350/t+0.063 3(R2=0.998 5)。（30~65） ℃柠檬醛在La2O3/γ-Al2O3催化剂上的等温吸附符合Langmuir方程，温度升高使柠檬醛的饱和吸附量增加，吸附热为32.19 kJ·mol-1。
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| 关 键 词： | 催化化学 柠檬醛 等温吸附 La2O3/γ-Al2O3催化剂 |
Study on isothermal adsorption behaviours of citral on La2O3/γ-Al2O3 catalyst |
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| RAN Lei,CHEN Xihui.Study on isothermal adsorption behaviours of citral on La2O3/γ-Al2O3 catalyst[J].Industrial Catalysis,2013,21(7):45-48. |
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| Authors: | RAN Lei CHEN Xihui |
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| Affiliation: | College of Chemistry ＆ Chemical Engineering, Guangxi University, Nanning 530004, Guangxi, China |
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| Abstract: | In citral-ethyl acetate solution,the isothermal adsorption kinetics and adsorption mode of citral were investigated on La2O3/γ-Al2O3 catalyst.The results indicated that the adsorption kinetics of citral on La2O3/γ-Al2O3 catalyst at 30 ℃ could be described well by the pseudo-second-order model.The adsorption kinetics equation was 1/qt=2.350/t+0.063 3(R2=0.998 5).The isothermal adsorption at （30-65） ℃ fitted for the Langmuir model.The saturated adsorption capacity increased with the enhancement of adsorption temperature.The adsorption heat was 32.19 kJ·mol-1. |
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| Keywords: | catalytic chemistry citral isothermal adsorption La2O3/γ-Al2O3 catalyst |
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