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Transport of Toluene in Microporous Vycor Class

Published online by Cambridge University Press:  28 February 2011

Ben Abeles ,
L. F. Chen ,
J. W. Johnson  and
J. M. Drake
Ben Abeles
Affiliation:
Exxon Research and Engineering Co., Route 22 East, Annandale, NJ 08801
L. F. Chen
Affiliation:
Exxon Research and Engineering Co., Route 22 East, Annandale, NJ 08801
J. W. Johnson
Affiliation:
Exxon Research and Engineering Co., Route 22 East, Annandale, NJ 08801
J. M. Drake
Affiliation:
Exxon Research and Engineering Co., Route 22 East, Annandale, NJ 08801
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Abstract

A quasi-equilibrium model is developed for capillary condensation flow, in which surfacediffusion is included. The model is in excellent agreement with the experimental data for the flow of toluene in untreated Vycor glass and in Vycor glass whose pores were derivatized with C18H38. The observed increase in viscosity with decreasing pore size is ascribed to a stagnant monolayer adsorbed to the pore walls. The surface diffusion coefficient at 22ºC is 5 x 10-5 cm2/secfor both the derivatized and untreated samples.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 195: Symposium S – Physical Phenomena in Granular Materials , 1990 , 491
Copyright
Copyright © Materials Research Society 1990

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References

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