纳米零价铁对水溶液中钒离子的吸附性能

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赵长多¹,范美玲¹,杨晓博¹,胡文斌²,夏启斌^1*

1. 华南理工大学化学与化工学院，广东广州 510640 2. 广东省粤电集团有限公司安全监察及生产技术部，广东广州 510630

收稿日期:2017-12-15修回日期:2018-04-08出版日期:2018-12-22发布日期:2018-12-19
通讯作者:夏启斌

基金资助:广东省科技计划项目（公益研究与能力建设）

Adsorption of vanadium ion in solution on nano zero-valent irons

Changduo ZHAO¹, Xiaobo YANG¹, Meiling FAN¹, Wenbin HU², Qibin XIA^1*

1. South China University of Technology, Guangzhou, Guangdong 510640, China 2. Safety Supervision and Production Technology of Guangdong Yudean Group Co., Ltd., Guangzhou, Guangdong 510630, China

Received:2017-12-15Revised:2018-04-08Online:2018-12-22Published:2018-12-19

摘要/Abstract

摘要： 采用液相还原法制备纳米零价铁(nZVI)，采用PXRD, SEM, TEM, BET(N2吸脱附)和XPS等表征材料性能，考察了纳米零价铁用量、初始钒(V)浓度和初始pH对纳米零价铁吸附钒(V)性能的影响，测定了纳米零价铁对钒(V)的吸附等温线和吸附动力学曲线. 结果表明，制备的纳米零价铁具有典型的核?壳结构，粒径为10~30 nm，BET比表面积为53 m2/g. 纳米零价铁对钒(V)的吸附容量随纳米零价铁用量和初始pH增大而减小. 25℃时的平衡吸附容量为227.8 mg/g. Langmuir等温线方程可很好拟合纳米零价铁对钒(V)的吸附，纳米零价铁对钒(V)的吸附动力学曲线符合准二级动力学模型.

引用本文

赵长多范美玲杨晓博胡文斌夏启斌. 纳米零价铁对水溶液中钒离子的吸附性能[J]. 过程工程学报, 2018, 18(6): 1253-1260.
Changduo ZHAO Xiaobo YANG Meiling FAN Wenbin HU Qibin XIA. Adsorption of vanadium ion in solution on nano zero-valent irons[J]. Chin. J. Process Eng., 2018, 18(6): 1253-1260.

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