Empirical Rule of Diffusion of Low Carbon n-Alkanes in Molecular Sieves

梁五更; 陈诵英; 彭少逸

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Empirical Rule of Diffusion of Low Carbon n-Alkanes in Molecular Sieves

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- Empirical Rule of Diffusion of Low Carbon n-Alkanes in Molecular Sieves
- CIESC Journal Issue 5, (1990)
- 作者机构：
  
  中国科学院山西煤炭化学研究所,中国科学院山西煤炭化学研究所,中国科学院山西煤炭化学研究所 ,太原,太原,太原
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 October 1990，
  
  Published：25 October 1990
- 稿件说明：
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梁五更, 陈诵英, 彭少逸. Empirical Rule of Diffusion of Low Carbon n-Alkanes in Molecular Sieves[J]. CIESC Journal, 1990, (5).
DOI：

梁五更, 陈诵英, 彭少逸. Empirical Rule of Diffusion of Low Carbon n-Alkanes in Molecular Sieves[J]. CIESC Journal, 1990, (5). DOI：

摘要

分子筛中的扩散是很重要而又非常复杂的问题.由于扩散机理复杂

影响因素又多

受研究方法所限

人们对分子筛中扩散规律的认识还很不够

因此各种研究分子筛中扩散的某些经验规律的工作是有意义的.

Abstract

Good linear relationships between the logarithm of diffusivities and dav defined as equation (1) are obtained for low carbon n-alkanes in zeolites 4A

silicalite and NaX. There is also a good linear relationship between the logarithm of diffusivities and the pore diameter of zeolite (dp) for low carbon w-alkanes. So the diffusivity for a diffusate in a zeolite can be described by the equation as follows: a and b are constants. This relation could be used to estimate the pore diameter of new zeolite molecular sieves from the measurements of diffusivities of low carbon n-alkanes in them.

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