Simultaneous removal of SO2 and NOx by CaCO3 slurry in a tray scrubber

WANG Huiting1; GUO Ruitang2; GAO Xiang1; LUO Zhongyang1; CEN Kefa11.State Key Laboratory of Clean Energy Utilization

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Simultaneous removal of SO₂ and NO_x by CaCO₃ slurry in a tray scrubber

更新时间：2025-09-28

- Simultaneous removal of SO₂ and NO_x by CaCO₃ slurry in a tray scrubber
- Thermal Power Generation Vol. 42, Issue 1, Pages: 41-44(2013)
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室
  2. 上海电力学院能源与环境工程学院
  3. 浙江大学能源清洁利用国家重点实验室
  4. 上海电力学院能源与环境工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： X773
- Published：2013
- 稿件说明：
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WANG Huiting1, GUO Ruitang2, GAO Xiang1, et al. Simultaneous removal of SO₂ and NO_x by CaCO₃ slurry in a tray scrubber[J]. Thermal power generation, 2013, 42(1): 41-44.
DOI：

WANG Huiting1, GUO Ruitang2, GAO Xiang1, et al. Simultaneous removal of SO₂ and NO_x by CaCO₃ slurry in a tray scrubber[J]. Thermal power generation, 2013, 42(1): 41-44. DOI：

摘要

在筛板式喷淋塔内

利用NaClO2/CaCO3浆液同时进行脱硫、脱硝试验。分析入口NO浓度、NaClO2加入量、浆液pH值、液气比、入口SO2浓度等因素对脱硫、脱硝效率的影响。结果表明

SO2的脱除效率随液气比的增大而升高

随入口SO2浓度的升高略有降低;入口NO浓度、NaClO2加入量、浆液pH值的变化对SO2的脱除效率影响甚微;NO的脱除效率随NaClO2加入量、液气比和入口SO2浓度的增大而升高

随入口NO浓度的增大而降低

浆液pH值的变化对脱硝效率影响甚微。

Abstract

SO2 and NOx were simultaneously removed by NaClO2/CaCO3 slurry in a tray scrubber.The influence of such factors as NO inlet concentration

NaClO2 addition

slurry pH value

liquid/gas(L/G) ratio and SO2 inlet concentration on removal efficiency was investigated.The results showed that

the SO2 removal efficiency increased with the L/G ratio

but slightly decreased with an increase of the SO2 inlet concentration;it was little affected by the variation of NO inlet concentration

NaClO2 addition and the slurry pH value.The NO removal efficiency increased with the NaClO2 addition

L/G ratio and SO2 inlet concentration

but decreased with an increase of the NO inlet concentration;the slurry pH value almost had no effect on NO removal.

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