离子液体水溶液吸收模拟烟气中SO<sub>2</sub>

王晨星; 任树行; 侯玉翠; 王一鸣; 田士东; 吴卫泽

doi:10.11949/j.issn.0438-1157.20150156

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离子液体水溶液吸收模拟烟气中SO₂

分离工程 | 更新时间：2025-12-10

- 离子液体水溶液吸收模拟烟气中SO₂
- Absorption of SO₂ in simulated flue gas with aqueous ionic liquid solutions
- 化工学报 2015年第S1期页码：222-227
- 作者机构：
  
  1. 北京化工大学化学工程学院, 化工资源有效利用国家重点实验室,北京,100029
  2. 太原师范学院化学系,山西,太原,030031
  3. 中南大学化学化工学院,湖南,长沙,410083
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150156
  中图分类号： Q534.9
- 网络首发：2015-06-30，
  
  纸质出版：2015-06-30
- 稿件说明：
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王晨星, 任树行, 侯玉翠, 等. 离子液体水溶液吸收模拟烟气中SO₂[J]. 化工学报, 2015,(S1):222-227. DOI: 10.11949/j.issn.0438-1157.20150156.

WANG Chenxing, REN Shuhang, HOU Yucui, et al. Absorption of SO₂ in simulated flue gas with aqueous ionic liquid solutions[J]. CIESC Journal, 2015, (S1): 222-227. DOI: 10.11949/j.issn.0438-1157.20150156.
王晨星, 任树行, 侯玉翠, 等. 离子液体水溶液吸收模拟烟气中SO₂[J]. 化工学报, 2015,(S1):222-227. DOI: 10.11949/j.issn.0438-1157.20150156. DOI：

WANG Chenxing, REN Shuhang, HOU Yucui, et al. Absorption of SO₂ in simulated flue gas with aqueous ionic liquid solutions[J]. CIESC Journal, 2015, (S1): 222-227. DOI: 10.11949/j.issn.0438-1157.20150156. DOI：

摘要

建立了一套放大脱硫装置

利用该装置研究了乙醇胺乳酸盐([MEA]L)水溶液在不同条件下吸收SO2的性能

确定出了较优的实验条件

并在该条件下进行吸收-解吸SO2循环实验。研究结果表明:烟气中SO2的去除率随[MEA]L中水分的增加而增加;SO2的去除率随着气液比的减少而增加

在气液比为420

SO2浓度为2850～14280 mg·m-3范围内时

出口烟气中SO2浓度均小于285 mg·m-3

满足排放标准;烟气中的CO2对[MEA]L水溶液吸收SO2没有影响;利用蒸汽对富液进行解吸再生

解吸后的贫液可以继续使用

并且仍具有很高的SO2去除率。

Abstract

A large-scale desulfurization device was designed and made to investigate the absorption of SO2 in simulated flue gas with aqueous ethanolamine lactate ([MEA]L) solutions at different conditions. The optimum conditions were found and circulatory SO2 absorption-desorption experiment was performed on the device. The results showed that the SO2 removal rate increased with an increase of water content of aqueous [MEA]L solution. The SO2 removal rate increased with a decrease of the molar ratio of gas to liquid absorbent G/L). When G/L is 420 and the concentrations of SO2 in flue gas are 2850—14280 mg·m-3

the output concentration of SO2 was under 285 mg·m-3

which conforms to the standard of flue gas issue. CO2 in the flue gas had no effect on absorption SO2 with aqueous [MEA]L solutions. Furthermore

the solution after SO2 absorption could be regenerated by stream stripping

and reused for absorbing SO2 with a high removal rate.

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离子液体水溶液吸收模拟烟气中SO2

Absorption of SO2 in simulated flue gas with aqueous ionic liquid solutions

DOI：10.11949/j.issn.0438-1157.20150156

摘要

Abstract

关键词

Keywords

references

离子液体水溶液吸收模拟烟气中SO₂

Absorption of SO₂ in simulated flue gas with aqueous ionic liquid solutions