Removal of SO2 and NOx by Pulsed Corona Combined with in situ Ca(OH)2 Absorption

黄立维; 党永霞

doi:10.1016/S1004-9541(11)60015-3

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Removal of SO₂ and NO_x by Pulsed Corona Combined with in situ Ca(OH)₂ Absorption

Updated：2026-01-06

- Removal of SO₂ and NO_x by Pulsed Corona Combined with in situ Ca(OH)₂ Absorption
- Chinese Journal of Chemical Engineering Vol. 19, Issue 3, Pages: 518-522(2011)
- Affiliations：
  
  College of Biological and Environmental Engineering, Zhejiang University of Technology,Hangzhou,China,310014
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60015-3
  CLC：
- Published：2011
- Accepted：
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and NO
DOI：

and NO DOI： 10.1016/S1004-9541(11)60015-3.

摘要

Abstract

Removal of SO

and NO

by pulsed corona combined with

in situ

alkali absorption was experimentally investigated.In the reactor

a plate-wire-plate combination is devised for generating pulsed corona and then alkaline absorbent slurries were introduced into the reactor by a continuous band conveying system to capture the gaseous reaction products.It was found that both SO

and NO could be removed by corona combined with

in situ

alkali absorption.The removal of SO

increased to 75% with the corona discharge

compared with 60% removal only with Ca(OH)

absorption.About 40% removal of NO was reached by pulsed corona combined with

in situ

Ca(OH)

absorption.It was found that SO

and NO in the gas stream are oxidized to SO

and NO

by pulsed corona respectively

and then absorbed by the alkali in the reactor.The removals of SO

as well as NO were higher with Ca(OH)

as the absorbent

compared with using CaCO

or ZnO.

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