Some generalization of Langmuir adsorption isotherm
Leszek Czepirski, Mieczyslaw R. Balys, Ewa Komorowska-Czepirska
University of Mining and Metallurgy, Faculty of Fuels and Energy, al. Mickiewicza 30, 30-059 Cracow, POLAND
Keywords: physical chemistry, adsorption theory, Langmuir isotherm
Publication date: Aug 10, 2000 20:45:00 GMT
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Abstract |
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I. Introduction |
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II. Basic considerations |
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Assumptions |
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Derivation of isotherm |
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Final form of modified Langmuir adsorption isotherm |
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III. Discussion of modified Langmuir isotherm |
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IV. Verification of modified Langmuir isotherm for experimental data |
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Adsorption of argon on non-porous silica |
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Behaviour of the Proposed Isotherm Equation |
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Comparison of the Behaviour of the Various Isotherm Equations |
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Estimation of surface area for carbonaceous adsorbents |
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Adsorption Data of Nitrogen (77K) on Active Carbon and Active Carbon Cloth |
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Values of Surface Area Calculated from BET and Langmuir Generalized Equations |
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Supercritical adsorption of methane on active carbon |
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Best-fit Curves for Langmuir Isotherm |
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Dispersion of Fitting Error for Langmuir Isotherm |
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Best-fit Curves for Langmuir Generalized Isotherm |
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Dispersion of Fitting Error for Langmuir Generalized Isotherm |
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Best-fit Parameters and Properties of System Active Carbon - Methane Calculated from Langmuir Generalized Equation |
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V. Conclusions |
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Acknowledgments |
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References |