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Competitive adsorption of methyl orange and ethyl orange by AB-8 resin
Hu, Yaoqiang1,2,3; Quan, Chaoming1,2,3; Guo, Min1,2; Ye, Xiushen1,2; Wu, Zhijian1,2
2017-07-01
发表期刊EMERGING MATERIALS RESEARCH
卷号6期号:2
文章类型Article
摘要Electrostatic attraction and hydrophobic interaction play important roles in the competitive adsorption of dyes. pH and ionic strength are two major factors that affect the competitive adsorption of dyes. Therefore, in this paper, the influences of pH and ionic strength on the competitive adsorption of dyes by AB-8 resin were studied comprehensively. Methyl orange (MO) and ethyl orange (EO) were selected as models of dye molecules. EO has only two methylenes more than MO, which makes it facile to analyze the effect of pH and ionic strength on the competitive adsorption of these dyes. The influence of pH and ionic strength on the hydrophobic interaction between the adsorbent and adsorbate and the electrostatic and hydrophobic interactions in the adsorbates themselves were studied at pH = 2, 7, and 12. The results indicated the importance of hydrophobic interaction in dye separation. Ionic strength has less effect on the adsorption capacity, being separate for zwitterions in both one-dye-component and two-dye-component systems. The difference in hydrophobic interaction increases with increasing ionic strength in a competitive adsorption system.
关键词Adsorption Hydrophobic Mechanisms
WOS标题词Science & Technology ; Technology
关键词[WOS]AQUEOUS-SOLUTION ; ACTIVATED CARBON ; DYE ADSORPTION ; CHEMICAL OXIDATION ; IONIC-STRENGTH ; RHODAMINE-B ; BASIC-DYES ; BLUE ; CHITOSAN ; NANOPARTICLES
收录类别SCI
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000408030600018
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6249
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Qinghai Inst Salt Lakes, Xining, Qinghai, Peoples R China
2.Key Lab Salt Lake Resources Chem Qinghai Prov, Xining, Qinghai, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Hu, Yaoqiang,Quan, Chaoming,Guo, Min,et al. Competitive adsorption of methyl orange and ethyl orange by AB-8 resin[J]. EMERGING MATERIALS RESEARCH,2017,6(2).
APA Hu, Yaoqiang,Quan, Chaoming,Guo, Min,Ye, Xiushen,&Wu, Zhijian.(2017).Competitive adsorption of methyl orange and ethyl orange by AB-8 resin.EMERGING MATERIALS RESEARCH,6(2).
MLA Hu, Yaoqiang,et al."Competitive adsorption of methyl orange and ethyl orange by AB-8 resin".EMERGING MATERIALS RESEARCH 6.2(2017).
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