Nonstationary simulation model of absorber with falling film of suspension

被引：1

作者：

Gerbec, M ^{[1
]}

Stergarsek, A ^{[1
]}

Kocjancic, R ^{[1
]}

机构：

[1] Jozef Stefan Inst, Dept Inorgan Chem & Technol, Ljubljana 1000, Slovenia

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2003年 / 26卷 / 08期

关键词：

D O I：

10.1002/ceat.200301690

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A nonstationary model of SO2 absorption from a gas phase to a countercurrent falling film of absorbing slurry was developed. Laminar, wavy and turbulent film structures were considered based on published information. Resistances to the mass transfer on the gas and the liquid sides of the interphase were considered, together with chemical reactions in the liquid phase. Relevant chemical equilibria in the liquid phase were modeled. Original experimental data on the neutralization reagent dissolution rate presented as a polydispersed two-phase system of solids and on the rate of dissolved sulfite oxidation were used. The model was verified with experimental data from a laboratory-scale falling-film absorber using a single vertical tube under various geometrical and operating conditions, and a very good agreement was found with the experiment. Parametric sensitivity analysis showed the critical parts of the model.

引用

页码：890 / 901

页数：12

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