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D301和MIEX 两种阴离子交换树脂对水中
的吸附性能 Adsorption Properties of
from Water on D301 and MIEX Anion Exchange Resins - 高分子通报 2021年34卷第3期 页码：38-44
- 作者机构：
湖南城市学院,益阳 413000
- 作者简介：
* Tel:15273708909,E-mail: xiaoguqing2005@163.com.
- 基金信息：国家自然科学基金项目(51678225);湖南省教育厅科研项目(20C0350);湖南省科技计划项目(2018NK2036)
DOI：10.14028/j.cnki.1003-3726.2021.03.006
中图分类号：纸质出版日期：2021-03-20，
收稿日期：2020-02-02，
修回日期：2020-12-14，
扫 描 看 全 文
孟秋冬, 肖谷清, 文瑞明. D301和MIEX 两种阴离子交换树脂对水中
的吸附性能[J]. 高分子通报, 2021,34(3):38-44. Qiu-dong MENG, Gu-qing XIAO, Rui-ming WEN. Adsorption Properties of
from Water on D301 and MIEX Anion Exchange Resins[J]. Polymer Bulletin, 2021,34(3):38-44. 孟秋冬, 肖谷清, 文瑞明. D301和MIEX 两种阴离子交换树脂对水中
的吸附性能[J]. 高分子通报, 2021,34(3):38-44. Qiu-dong MENG, Gu-qing XIAO, Rui-ming WEN. Adsorption Properties of
from Water on D301 and MIEX Anion Exchange Resins[J]. Polymer Bulletin, 2021,34(3):38-44.
![PDF下载](/rc-pub/front/front-article/download/29492058/lowqualitypdf/D301和MIEX 两种阴离子交换树脂对水中<inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="media/1003-3726-34-03-006-I001.jpg" specific-use="print"/><inline-graphic specific-use="big" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/1003-3726-34-03-006-I001.jpg"/><inline-graphic specific-use="small" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="alternativeImage/1003-3726-34-03-006-I001c.jpg"/>的吸附性能.pdf){kind=link}
摘要
研究了D301和MIEX两种阴离子交换树脂对水中
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的吸附性能。结果表明:pH 值对两种树脂吸附
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的影响相似
两种树脂均在pH 为4~9范围时对
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的吸附量最大。共存Cl
-
、
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和
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明显削弱两种树脂对
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的吸附
其影响大小顺序为
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。MIEX树脂吸附
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仅需4 min达到平衡
D301树脂吸附
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需180 min达到平衡
MIEX树脂具有比D301树脂更大的准二级速率常数
K
2
和颗粒内扩散速率常数
K
id
。
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在D301和MIEX 两种树脂上的吸附等温线符合Freundlich方程
MIEX树脂对
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的吸附量大于D301树脂对
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的吸附量。D301和MIEX两种树脂对
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的吸附机理为阴离子交换。
Abstract
The adsorption properties of
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from water on D301 and MIEX anion exchange resins were investigated. The results showed that the effects of pH on the adsorption of
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on the two resins were similar. The two resins exhibited the largest adsorption capacities of
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at pH 4~9. The adsorption capacities of
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were significantly weakened by the coexistence anions of Cl
-
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and
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. The influence of the coexistence anions followed the order
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. It took only 4 min for MIEX to reach adsorption equilibrium of
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and 180 min for D301 to reach adsorption equilibrium of
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. MIEX exhibited a larger pseudo-second-order rate constant k
2
and a larger intraparticle diffusion rate constant k
id
than that of D301. The adsorption isotherms of
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on D301 and MIEX were in accordance with Freundlich equation. Adsorption isotherms and adsorption thermodynamics indicated that the adsorption capacities of
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on MIEX were higher than those of D301. The adsorption mechanism of
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on D301 and MIEX was anion exchange.
关键词
D301树脂MIEX树脂<alternatives><inline-graphic xlink:href="media/1003-3726-34-03-006-I028.jpg" specific-use="print"/><inline-graphic specific-use="big" xlink:href="alternativeImage/1003-3726-34-03-006-I028.jpg"/><inline-graphic specific-use="small" xlink:href="alternativeImage/1003-3726-34-03-006-I028c.jpg"/></alternatives>吸附
Keywords
D301 resinMIEX resinBromateAdsorption
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