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Received October 8, 2009
Accepted March 29, 2010
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Experimental and theoretical studies of equilibrium isotherms for pure light hydrocarbons adsorption on 4A zeolite
Corresponding Author-Department of Chemical and Process Engineering-Faculty of Engineeringand Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia 1Chemical Engineering Department-College of Engineering, University of Baghdad-Iraq, Baghdad, Iraq 2Department of Chemical and Process Engineering-Faculty of Engineering andBuilt Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
muthanna.ja@gmail.com
Korean Journal of Chemical Engineering, November 2010, 27(6), 1801-1804(4), 10.1007/s11814-010-0302-8
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Abstract
Experimental and theoretical studies were reported on equilibrium isotherms of pure methane and ethane adsorption on 4A molecular sieve zeolite at 301 K. The experimental equilibria data were measured using the constantvolume method. The Langmuir, the Freundlich, and BET equations were used to fit the pure component experimental data. The results show that both the Langmuir and Freundlich equations correlated the pure component experimental data fairly well with a correlation coefficient of 0.998 and 0.977 for methane and ethane, respectively. The results of_x000D_
this study showed that ethane was more selectively adsorbed than methane on 4A molecular sieve zeolite.
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References
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Gorbach A, Stegmaier M, Eigenberger G, Adsorption, 10, 29 (2004)
Song L, Sun Z, Duan L, Gui J, Micropor. Mesopor. Mater., 104, 115 (2007)
Zhu W, Kapteijn F, Moulijn JA, Adsorption, 6, 159 (2000)
Newalkar BL, Choudary NV, Micropor. Mesopor. Mater., 65, 267 (2003)
Walton KS, Cavalcante CL, Levan MD, Adsorption, 11, 107 (2005)
Grande CA, Cavenati S, Barcia P, Hammer J, Fritz HG, Rodrigues AE, Chem. Eng. Sci., 61(10), 3053 (2006)
Da Silva FA, Rodrigues AE, Ind. Eng. Chem. Res., 38(5), 2051 (1999)
Wender A, Barreau A, Lefebvre C, DiLella A, Adsorption, 13, 439 (2007)
Pakseresht S, Kazemeini M, Akbarnejad MM, Sep. Purif. Technol., 28(1), 53 (2002)
Tezel FH, Apolonatos G, Gas Sep. Purif., 7, 11 (1993)
