EFFECTS OF BED PRESSURE-DROP ON ADSORPTION AND DESORPTION WITH LANGMUIR ISOTHERMS

被引：2

作者：

SCOTT, DM

机构：

[1] Department of Chemical Engineering, University of Cambridge, Cambridge, CB2 3RA, Pembroke Street

来源：

CHEMICAL ENGINEERING SCIENCE | 1993年 / 48卷 / 17期

关键词：

D O I：

10.1016/0009-2509(93)80167-O

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Breakthrough calculations using the method of characteristics are reported for a dilute adsorbate with a Langmuir isotherm, where the steady pressure and velocity distributions of the inert carrier gas in the adsorbing bed are found from Ergun's equation. Equilibrium, isothermal adsorption is considered, and axial dispersion is ignored. Studies are made of the responses to step increases, step decreases and Dirac delta-function impulses in inlet concentration. The results will be useful in analysing experimental measurements from adsorbing beds where pressure drop is important. The case of linear isotherms is also discussed.

引用

页码：3001 / 3006

页数：6