| 不同反离子类型D354树脂吸附游离酸性能研究 |
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| 引用本文： | 陈任宏,吴桂贞,唐省三,陈炳稔.不同反离子类型D354树脂吸附游离酸性能研究[J].广州化学,2009,34(4):25-30. |
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| 作者姓名： | 陈任宏 吴桂贞 唐省三 陈炳稔 |
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| 作者单位： | 1. 广东食品药品职业学院,广东,广州,510520
2. 华南师范大学,化学与环境学院,广东,广州,510631 |
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| 摘 要： | 利用吸附质-分子探针-电导法，研究吸附过程的特性，讨论不同类型反离子的变形性和离子势对D354树脂吸附游离酸的影响。根据固-液相互作用方程求取吸附剂-吸附质相互作用能（U），实验结果表明，D354树脂吸附低浓度游离酸的过程遵循单分子层机理。吸附剂-吸附质相互作用能制约表观吸附速率常数（k），k、U两者存在线性相关性。
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| 关 键 词： | D354树脂 游离酸 吸附质-分子探针 表观吸附速率 吸附剂-吸附质 相互作用能 |
Studies on Adsorption Property of Free Acid in Different Kinds of Contra-ion with D354 Resin |
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| CHEN Ren-hong,WU Gui-zhen,TANG Sheng-san,CHEN Bing-ren.Studies on Adsorption Property of Free Acid in Different Kinds of Contra-ion with D354 Resin[J].Guangzhou Chemistry,2009,34(4):25-30. |
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| Authors: | CHEN Ren-hong WU Gui-zhen TANG Sheng-san CHEN Bing-ren |
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| Institution: | CHEN Ren-hong, WU Gui-zhen, TANG Sheng-san, CHEN Bing-ren ( 1. Guangdong Food and Drug Vocational College, Guangzhou 510520, China; 2. College of Chemistry and Enviromental Science, South China Normal University, Guangzhou 510631, China) |
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| Abstract: | The characteristic of adsorptive process was studied by adsorbate-molecular probeelectric conductance method. The influence of morphotropy and ionic potential in different kinds of contra-ion on adsorption was discussed with D354 resin. The adsorbent-adsorbate interaction energy was obtained by the interaction equation of the solid-liquid. The experimental results show that the adsorption of low concentration free acid with D354 resin obeyed the monomolecular adsorption mechanism. There is a linear interaction ship between the apparent adsorption rate constant and adsorbent-adsorbate interaction energy. |
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| Keywords: | D354 resin free acid adsorbate-molecular probe apparent adsorption rate adsorbentadsorbate interaction energy |
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