镧铁复合吸附剂的制备及除磷性能

doi:10.3969/j.issn.1007-2861.2013.04.001

上海大学学报(自然科学版) ›› 2013, Vol. 19 ›› Issue (4): 331-335.doi: 10.3969/j.issn.1007-2861.2013.04.001

• 环境与化学工程 • 下一篇

镧铁复合吸附剂的制备及除磷性能

张玲, 李梦雪, 周奇

(上海大学环境与化学工程学院, 上海200444)

出版日期:2013-08-27 发布日期:2013-08-27
通讯作者: 张玲(1974—), 女, 副教授, 研究方向为稀土应用化学. E-mail: zhanglinglzu@staff.shu.edu.cn
作者简介:张玲(1974—), 女, 副教授, 研究方向为稀土应用化学. E-mail: zhanglinglzu@staff.shu.edu.cn
基金资助:
国家自然科学基金资助项目(21207085)

Preparation and Phosphorus Removal of Complex Phosphate Adsorbent from Lanthanum and Iron

ZHANG Ling, LI Meng-xue, ZHOU Qi

(School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China)

Online:2013-08-27 Published:2013-08-27

摘要/Abstract

摘要： 采用液相沉积法制备了复合除磷吸附剂——镧铁活性炭纤维(LaFe-activated carbon fiber, LaFe-ACF), 讨论了铁镧摩尔比、金属离子总浓度单因素对制备材料的影响. 结果表明, 制备LaFe-ACF 的最佳铁镧摩尔比为3∶7,最佳金属离子溶液浓度为0.15 mol/L. 分别采用静态法和动态法考察了LaFe-ACF的吸附除磷性能. LaFe-ACF 的静态吸附结果表明, Langmuir吸附等温线能很好地描述吸附过程, 说明LaFe-ACF除磷是单分子层吸附过程, 且其最大吸附量计算值为29.44 mg/g.

关键词: 除磷, 活性炭纤维, 镧, 铁

Abstract: Complex phosphate adsorbent, denoted as LaFe-activated carbon fiber (LaFe-ACF), was prepared from lanthanum, iron and activated carbon fiber using a liquid phase deposition method. Single factors such as Fe/La ratio and total concentration of metal ions were discussed. The results show that the best Fe/La ratio is 3∶7, and the best concentration of metal ion solution is 0.15 mol/L. The phosphorus removal performance of LaFe-ACF was investigated in static and dynamic adsorption experiments. The isothermal adsorption study of the LaFe-ACF showed that Langmuir isotherm fit the experimental data quite well, indicating that the adsorption process was mainly through single-molecule chemisorption on the surface, and the maximum adsorption capacity was 29.44 mg/g.

Key words: activated carbon fiber (ACF), iron, lanthanum, phosphate removal

中图分类号:

O 614.3

张玲, 李梦雪, 周奇. 镧铁复合吸附剂的制备及除磷性能[J]. 上海大学学报(自然科学版), 2013, 19(4): 331-335.

ZHANG Ling, LI Meng-xue, ZHOU Qi. Preparation and Phosphorus Removal of Complex Phosphate Adsorbent from Lanthanum and Iron[J]. Journal of Shanghai University（Natural Science Edition）, 2013, 19(4): 331-335.

参考文献

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镧铁复合吸附剂的制备及除磷性能

Preparation and Phosphorus Removal of Complex Phosphate Adsorbent from Lanthanum and Iron

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