聚丙烯腈-亚铁氰化钾镍对Cs<sup>+</sup>的动态吸附性能

doi:10.11894/1005-829x.2016.36(6).007

工业水处理 ›› 2016, Vol. 36 ›› Issue (6): 28-32. doi: 10.11894/1005-829x.2016.36(6).007

聚丙烯腈-亚铁氰化钾镍对Cs⁺的动态吸附性能

杜志辉, 贾铭椿, 王晓伟, 门金凤

海军工程大学核能科学与工程系, 湖北武汉 430033

修回日期:2016-03-28 出版日期:2016-06-20 发布日期:2016-07-30
作者简介:杜志辉(1986—),博士,讲师。电话:13554107727,E-mail:3072004003@163.com。
基金资助:
国家自然科学基金资助项目(51573208)

Dynamic adsorption capacity of polyacrylonitrile-potassium nickel hexacyanoferrate(Ⅱ) for Cs⁺

Du Zhihui, Jia Mingchun, Wang Xiaowei, Men Jinfeng

Department of Nuclear Science and Engineering, University of Naval Engineering, Wuhan 430033, China

Revised:2016-03-28 Online:2016-06-20 Published:2016-07-30

摘要/Abstract

摘要：

通过动态吸附实验,研究了聚丙烯腈基亚铁氰化钾镍(PAN-KNiCF)对模拟放射性废水及实际放射性废水中Cs⁺的吸附效果,并采用SEM、FT-IR、XRD等对吸附剂进行了表征。结果表明,PAN-KNiCF能够有效地去除水中的Cs⁺,当溶液中含有共存离子时,PAN-KNiCF吸附Cs⁺的穿透曲线都从右向左移动;减容比为2 122时,PAN-KNiCF对实际放射性废水中¹³⁷Cs的去污因子仍高达512;被PAN-KNiCF吸附的¹³⁷Cs衰变成137Ba^m后会从PAN-KNiCF上解析下来。

关键词: 铯, 亚铁氰化钾镍, 聚丙烯腈, 吸附, 放射性废水

Abstract:

The adsorption effect of polyacrylonitrilie-potassium nickel hexacyanoferrate(Ⅱ)(PAN-KNiCF) on Cs⁺ from simulated and actual radioactive wastewater has been studied by dynamic adsorption experiments,and PAN-KNiCF characterized and analyzed by SEM,FT-IR,XRD,etc. The results show that PAN-KNiCF as an adsorbent could remove Cs⁺ from aqueous solution efficiently. The existence of co-existing ions contained in solution would result in the shifting of breakthrough curves of PAN-KNiCF adsorption for Cs⁺ from right to left. When the volume reduction ratio is 2 122,the decontamination factor of ¹³⁷Cs in the actual radioactive wastewater treated by PAN-KNiCF is still as high as 512. In addition,it is found that after the ¹³⁷Cs adsorbed with PAN-KNiCF has decayed and become ¹³⁷Ba^m,it can be resolved from PAN-KNiCF.

Key words: cesium, potassium nickel hexacyanoferrate (Ⅱ), polyacrylonitrile, adsorption, radioactive waste water

中图分类号:

O647.3
X703

杜志辉, 贾铭椿, 王晓伟, 门金凤. 聚丙烯腈-亚铁氰化钾镍对Cs⁺的动态吸附性能[J]. 工业水处理, 2016, 36(6): 28-32.

Du Zhihui, Jia Mingchun, Wang Xiaowei, Men Jinfeng. Dynamic adsorption capacity of polyacrylonitrile-potassium nickel hexacyanoferrate(Ⅱ) for Cs⁺[J]. INDUSTRIAL WATER TREATMENT, 2016, 36(6): 28-32.

https://www.iwt.cn/CN/Y2016/V36/I6/28

参考文献

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聚丙烯腈-亚铁氰化钾镍对Cs⁺的动态吸附性能

Dynamic adsorption capacity of polyacrylonitrile-potassium nickel hexacyanoferrate(Ⅱ) for Cs⁺

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聚丙烯腈-亚铁氰化钾镍对Cs+的动态吸附性能

Dynamic adsorption capacity of polyacrylonitrile-potassium nickel hexacyanoferrate(Ⅱ) for Cs+

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聚丙烯腈-亚铁氰化钾镍对Cs⁺的动态吸附性能

Dynamic adsorption capacity of polyacrylonitrile-potassium nickel hexacyanoferrate(Ⅱ) for Cs⁺