Gas Purification from SO2 in Thermal Power Plants

被引：0

作者：

Doichinova, Maria ^{[1
]}

Popova-Krumova, Petya ^{[1
]}

Boyadjiev, Christo ^{[1
]}

Boyadjiev, Boyan ^{[1
]}

机构：

[1] Bulgarian Acad Sci, Inst Chem Engn, Sofia 1113, Bulgaria

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2014年 / 37卷 / 07期

关键词：

Absorption; Convection-diffusion model; Gas purification; Mass transfer kinetics; Mass transfer resistance; ABSORPTION; MASS; MODELS; LIQUID; FLOW; HEAT;

D O I：

10.1002/ceat.201300612

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Solid fuel combustion in thermal power plants, which use sulfur-rich fuels, poses the problem of SO2 removal from waste gases. In addition, purification of huge amounts of gas with low SO2 concentration is necessary. A maximum absorption rate could decrease the size of required big apparatuses. Gas purification from low-concentrated SO2 in physical and chemical absorption is analyzed theoretically. A convection-diffusion type of models is applied for creating average concentration models and for quantitative description of the absorption processes. Theoretical analysis of methods and devices for waste gas purification from SO2 by CaCO3 suspension indicates that the process is practically physical absorption.

引用

页码：1243 / 1250

页数：8

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