首页> 外文会议>First International Conference on Molecular Modeling and Simulation, Jul 23-28, 2000, Keystone, Colorado >GROUP-CONTRIBUTION THEORY FOR COADSORPTION OF GASES AND VAPORS ON SOLID SURFACES
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GROUP-CONTRIBUTION THEORY FOR COADSORPTION OF GASES AND VAPORS ON SOLID SURFACES

机译:气体和蒸气在固体表面上的共吸附基团贡献理论

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This paper reports on the development of a group contribution theory for adsorption of n-alkanes of various lengths and some of their binary mixtures on BPL activated carbon. The basis for the approach is contained in Russell and LeVan (1996). The theory is derived from Guggenheim's lattice theory of solutions. Molecules are broken into "elements," and interactions between elements of various molecules and between elements and a heterogeneous surface are considered. Pure component isotherms for methane, ethane, n-butane, and n-hexane are treated first to determine parameters for the elements and their interaction energies with the surface. Then, using only the parameters determined from the pure component isotherms, experimental results are analyzed for mixtures of methane and n-hexane and ethane and n-hexane.
机译:本文报道了在BPL活性炭上吸附各种长度的正构烷烃及其一些二元混合物的基团贡献理论的发展。该方法的基础包含在Russell和LeVan(1996)中。该理论源自古根海姆的解的格点理论。分子被分解为“元素”,并考虑了各种分子的元素之间以及元素与异质表面之间的相互作用。首先处理甲烷,乙烷,正丁烷和正己烷的纯组分等温线,以确定元素的参数及其与表面的相互作用能。然后,仅使用从纯组分等温线确定的参数,分析甲烷和正己烷,乙烷和正己烷的混合物的实验结果。

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