کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5369731 | 1388451 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Characterization of nanoporous carbons by combining CO2 and H2 sorption data with the Monte Carlo simulations
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Characterization of nanoporous carbons by combining CO2 and H2 sorption data with the Monte Carlo simulations Characterization of nanoporous carbons by combining CO2 and H2 sorption data with the Monte Carlo simulations](/preview/png/5369731.png)
چکیده انگلیسی
The Monte Carlo method in its grand ensemble variant (GCMC) is used in combination with experimental data in order to characterize microporous carbons and obtain the optimal pore size distribution (PSD). In particular, the method is applied in the case of AX-21 carbon. Adsorption isotherms of CO2 (253 and 298Â K) and H2 (77Â K) up to 20Â bar have been measured, while the computed isotherms resulted from the GCMC simulations for several pore widths up to 3.0Â nm. For the case of H2 at 77Â K quantum corrections were introduced with the application of the Feynman-Hibbs (FH) effective potential. The adsorption isotherms were used either individually or in a combined manner in order to deduce PSDs and their reliability was examined by the ability to predict the experimental adsorption isotherms. The combined approach was found to be capable of reproducing more accurately all the available experimental isotherms.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 253, Issue 13, 30 April 2007, Pages 5715-5720
Journal: Applied Surface Science - Volume 253, Issue 13, 30 April 2007, Pages 5715-5720
نویسندگان
M. Konstantakou, Th.A. Steriotis, G.K. Papadopoulos, M. Kainourgiakis, E.S. Kikkinides, A.K. Stubos,