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Removal of Neutral Red from aqueous solution by using modified hectorite
Yue, Duyuan1,2; Jing, Yan1; Ma, Jun1; Xia, Chenglong1,2; Yin, Xiaojie1,2; Jia, Yongzhong1
2011-02-01
发表期刊DESALINATION
卷号267期号:1页码:9-15
文章类型Article
摘要The object of this work was to study the modified hectorite as effective adsorbent for Neutral Red (NR) from aqueous solution. The adsorbent capacity of modified hectorite was discussed. The effects of surfactant content, adsorbent content, pH and adsorption temperature on the sorption of NR on modified hectorite were studied. Experimental results showed that the equilibrium adsorption data fitted well with Langmuir isotherm and the adsorption capacity was 393.70 mg/g for the modified cetylpyridinium bromide hectorite (CPB-Hect). Kinetic studies showed that the dynamical data fitted well with the pseudo-second-order kinetic model. For thermodynamic studies, parameters such as the Gibbs free energy (Delta G degrees), the enthalpy (Delta H degrees) and the entropy (Delta S degrees) indicated that the adsorption process was spontaneous and endothermic in nature. (C) 2010 Elsevier B.V. All rights reserved.
关键词Neutral Red Adsorption Modified Hectorite Kinetics Thermodynamics
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]ACTIVATED CARBON ; CONGO-RED ; METHYLENE-BLUE ; PROCESS DESIGN ; BASIC DYE ; ADSORPTION ; EQUILIBRIUM ; ADSORBENT
收录类别SCI
语种英语
WOS研究方向Engineering ; Water Resources
WOS类目Engineering, Chemical ; Water Resources
WOS记录号WOS:000286851700002
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5987
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100086, Peoples R China
推荐引用方式
GB/T 7714
Yue, Duyuan,Jing, Yan,Ma, Jun,et al. Removal of Neutral Red from aqueous solution by using modified hectorite[J]. DESALINATION,2011,267(1):9-15.
APA Yue, Duyuan,Jing, Yan,Ma, Jun,Xia, Chenglong,Yin, Xiaojie,&Jia, Yongzhong.(2011).Removal of Neutral Red from aqueous solution by using modified hectorite.DESALINATION,267(1),9-15.
MLA Yue, Duyuan,et al."Removal of Neutral Red from aqueous solution by using modified hectorite".DESALINATION 267.1(2011):9-15.
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