Competitive adsorption of a phthalate esters mixture by chitosan bead and α‐cyclodextrin‐linked chitosan bead
作者： Ying‐Chien Chung , Chih‐Yu Chen
DOI: 10.1080/09593330902858914
关键词: Phthalate 、 Water treatment 、 Adsorption 、 Cyclodextrin 、 Dimethyl phthalate 、 Chitosan 、 Chromatography 、 Competitive adsorption 、 Chemistry
摘要: The competitive adsorption effect by chitosan bead and α‐cyclodextrin‐linked on a mixture of six phthalate esters (PAEs) was investigated. efficiency short‐chain hydrophilic PAEs reduced when long‐chain hydrophobic co‐existed in the solution. Moreover, adsorbents for PAE is correlated to distribution ratio (Kd), which shows that Kd higher than PAEs. Both exhibit same phenomenon. α‐cyclodextrin (CD)‐linked more significant compared with bead. Furthermore, it observed both spontaneously adsorb free energy (ΔG0), but co‐existing DMP (dimethyl phthalate) results less entropy (ΔS0) change DMP. In continuous system treat mixture, breakthrough ca...
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