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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
Source PublicationDESALINATION
Volume267Issue:1Pages:9-15
SubtypeArticle
AbstractThe 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.
KeywordNeutral Red Adsorption Modified Hectorite Kinetics Thermodynamics
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS KeywordACTIVATED CARBON ; CONGO-RED ; METHYLENE-BLUE ; PROCESS DESIGN ; BASIC DYE ; ADSORPTION ; EQUILIBRIUM ; ADSORBENT
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Chemical ; Water Resources
WOS IDWOS:000286851700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/5987
Collection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
Affiliation1.Chinese Acad Sci, Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100086, Peoples R China
Recommended Citation
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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