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引用本文:   马喜君, 张滢滢, 周久扬, 谢兴勇, 姜孝武, 吴正岩, 张静. 有机-无机-磁性树脂对微污染水源水中腐殖酸的吸附性能研究. 分析化学, 2018, 46(4): 563-569. doi:  10.11895/j.issn.0253-3820.171322 [复制]

Citation:   MA Xi-Jun, ZHANG Ying-Ying, ZHOU Jiu-Yang, XIE Xing-Yong, JIANG Xiao-Wu, WU Zheng-Yan, ZHANG Jing. Adsorption Property of Humic Acid in Micro-polluted Water by Organic-Inorganic-Magnetic Resin. Chinese Journal of Analytical Chemistry, 2018, 46(4): 563-569. doi: 10.11895/j.issn.0253-3820.171322 [复制]

有机-无机-磁性树脂对微污染水源水中腐殖酸的吸附性能研究

通讯作者:  吴正岩, zywu@ipp.ac.cn; 张静, zhangjing860321@hyit.edu.cn

收稿日期: 2017-10-11

接受日期: 2018-02-06

出版日期: 2018-04-01

基金项目: 本文系国家自然科学基金项目(No.41301048)和淮安市科技计划项目(No.HAS2015008)资助

Adsorption Property of Humic Acid in Micro-polluted Water by Organic-Inorganic-Magnetic Resin

Corresponding author:  WU Zheng-Yan, zywu@ipp.ac.cn; ZHANG Jing, zhangjing860321@hyit.edu.cn

Received Date:  2017-10-11

Accepted Date:  2018-02-06

Published Date:  2018-04-01

Fund Project:  This work was supported by the National Natural Science Foundation of China (No.41301048), the Science and Technology Project of Huai'an, China (No.2015008) and the Social Development Projects of Huai'an, China (No.HAS2014020)

以有机化磁性凹凸棒土(M-ATP)制备有机-无机-磁性三效性能树脂(MPR)。利用扫描电镜、傅里叶变换红外光谱等对树脂形貌和结构进行表征,考察了树脂对腐殖酸(HA)的吸附性能。结果表明,超声分散法制备的样品(UD-MPR)溶胀态下有效比表面积为674.31 m2/g,M-ATP的最佳添加量为8%(m/m)。UD-MPR对HA的吸附符合二级动力学模型,平衡时间为233 min。当HA初始浓度为14.87 mg/L时,吸附量达13 mg/g。对Langmuir及Freundlich等温吸附模型拟合度均较高。热力学参数(ΔHθ,ΔSθ,ΔGθ)测定结果表明,UD-MPR吸附HA是自发吸热的反应,乙酸对吸附过程影响较大。吸附剂可循环使用,重复使用6次,吸附性能没有明显变化。

关键词:   磁性树脂, 凹凸棒土, 腐殖酸, 吸附动力学, 等温线
Key words:   Magnetic resin, Attapulgite, Humic acid, Adsorption kinetics, Isotherm
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目录

有机-无机-磁性树脂对微污染水源水中腐殖酸的吸附性能研究

马喜君, 张滢滢, 周久扬, 谢兴勇, 姜孝武, 吴正岩, 张静

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