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Keyan Hu

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Novel Silica-Based Hybrid Adsorbents: Copper (II) Adsorption Isotherms and Thermodynamics

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Asian Journal of Chemistry, 2014, 26(13), pp 3845-3848

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jshliu: 金币+15, ★★★★★最佳答案 2014-12-14 21:18:00
oven1986: LS-EPI+1, 感谢应助。 2014-12-14 22:50:23

Novel Silica-Based Hybrid Adsorbents: Copper(II) Adsorption Isotherms and Thermodynamics
作者:Hu, KY (Hu, Keyan)[ 1 ] ; Liu, JS (Liu, Junsheng)[ 1 ] ; Chen, XH (Chen, Xinghua)[ 1 ] ; Xu, M (Xu, Min)[ 1 ] ; Wang, KC (Wang, Kechun)[ 1 ]
ASIAN JOURNAL OF CHEMISTRY
卷: 26  期: 13  页: 3845-3848  子辑: A
出版年: JUL 2014
查看期刊信息
摘要
In this study, copper(II) adsorption isotherms and thermodynamic data have been investigated using a hybrid membrane as an adsorbent. It is found that copper(II) adsorption on sample D followed the Freundlich isotherm model. Moreover, it is found that the adsorption capacity of copper(II) on sample D increases with an increase in solution temperature and the Delta G values are changed from positive to negative as the temperature increased, suggesting that copper(II) adsorption is an endothermic and spontaneous in nature as the solution temperature was elevated to higher level. In addition, based on intraparticle diffusion, it is confirmed that copper(II) adsorption is not governed by intraparticle diffusion and diffusion-controlled adsorption mechanism might be the major control process. This finding is meaningful in the removal of copper(II) from aqueous solution using hybrid membrane as an adsorbent.
关键词
作者关键词:Hybrid membrane; Adsorption; Isotherms; Thermodynamics; Copper(II) removal
KeyWords Plus:AQUEOUS-SOLUTION; REMOVAL; EQUILIBRIUM; KINETICS; METALS; ACID
作者信息
通讯作者地址: Liu, JS (通讯作者)
      Hefei Univ, Dept Chem & Mat Engn, Key Lab Membrane Mat & Proc, 99 Jinxiu Rd, Hefei 230601, Peoples R China.
地址:
      [ 1 ] Hefei Univ, Dept Chem & Mat Engn, Key Lab Membrane Mat & Proc, Hefei 230601, Peoples R China
电子邮件地址:jsliu@hfuu.edu.cn
基金资助致谢
基金资助机构授权号
National Natural Science Foundation of China
21076055
Significant Foundation of Educational Committee of Anhui Province
ZD2008002-1
2th National-level College Students' Innovative Entrepreneurial Training Plan Program
201211059010
查看基金资助信息
出版商
ASIAN JOURNAL OF CHEMISTRY, 11/100 RAJENDRA NAGAR, SECTOR 3,, SAHIBABAD 201 005, GHAZIABAD, INDIA
类别 / 分类
研究方向:Chemistry
Web of Science 类别:Chemistry, Multidisciplinary
文献信息
文献类型:Article
语种:English
入藏号: WOS:000343763700019
ISSN: 0970-7077
电子 ISSN: 0975-427X
期刊信息
Impact Factor (影响因子): Journal Citation Reports®
其他信息
IDS 号: AR7ML
Web of Science 核心合集中的 "引用的参考文献": 13
Web of Science 核心合集中的 "被引频次": 0