کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
228715 | 464847 | 2015 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Simultaneous removal of 2,4-dichlorophenol and Pb(II) from aqueous solution using organoclays: Isotherm, kinetics and mechanism
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Simultaneous removal of 2,4-dichlorophenol and Pb(II) from aqueous solution using organoclays: Isotherm, kinetics and mechanism Simultaneous removal of 2,4-dichlorophenol and Pb(II) from aqueous solution using organoclays: Isotherm, kinetics and mechanism](/preview/png/228715.png)
چکیده انگلیسی
In this paper, the sorption of 2,4-DCP onto DK4 (modified with dioctadecyldimethylammoniumchloride (DDAC)) was 3–5 times more than when using Na-bentonite, while sorption of Pb(II) on DK4 was not different from using Na-bentonite. Sorption isotherms for 2,4-DCP and Pb(II) were well described by the Langmuir isotherm (R2 > 0.99), while pseudo-second-order kinetic model provided good kinetic data fitting (R2 > 0.99). Furthermore, DK4 was characterized by SEM–EDS, XRD and FTIR, it is concluded that the co-sorption of 2,4-DCP and Pb(II) onto DK4 occurred through the partition mechanism for adsorbing 2,4-DCP and the ion-exchange mechanism for the sorption of Pb(II).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Industrial and Engineering Chemistry - Volume 22, 25 February 2015, Pages 280–287
Journal: Journal of Industrial and Engineering Chemistry - Volume 22, 25 February 2015, Pages 280–287
نویسندگان
Li Huang, Yan Zhou, Xiangquan Guo, Zuliang Chen,