通过使用硫酸盐/硫酸盐复合物吸收剂的非包装洗器吸收二氧化
Gwangtaek Lee1, Yewon Park2, Jungho Hwang3
1Department of Urban Environment Research, Eco-Friendly Energy Conversion Research Division, Korea Institute of Machinery & Materials (KIMM), 156 Gajeongbuk-ro, Yuseong-gu, Daejeon, 34103, Republic of Korea.
这项研究介绍了一种非包装式清洗器,可以显著提高二氧化 (NO2) 清除效率. 将硫酸盐添加到硫酸盐溶液中可以减少化学品的使用和压力下降,使废气处理更具成本效益.
科学领域:
- 环境工程 环境工程
- 化学工程是化学工程的重要组成部分.
- 控制空气污染控制空气污染
背景情况:
- 传统的包装类型的洗器是高效的,但会导致高压下降和能源消耗.
- 需要改进的废气处理系统,降低运营成本.
研究的目的:
- 为了展示非包装洗系统的优点.
- 研究硫酸硫酸盐 (S2O3^2-) 对硫酸盐溶液中NO2吸收的影响.
- 为了评估系统的效率,化学品的使用和压力下降.
主要方法:
- 使用一种使用硫酸 (Na2SO3) 溶液的非包装洗系统.
- 研究了将硫酸盐 (Na2S2O3) 添加到Na2SO3溶液的影响.
- 测量了NO2吸收效率,吸收剂氧化率和压力下降.
主要成果:
- 将0.1 M Na2S2O3添加到0.1 M Na2SO3溶液中,在长时间内将NO2去除效率提高到90%.
- Na2S2O3作为氧化抑制剂,改善了O2与NO2的比率,从13.6提高到3.9.
- 总化学品使用量减少了11.3倍,压力下降降至最低 (<0.01hPa).
结论:
- 硫酸硫酸盐的添加显著提高了NO2去除效率,并减少了硫酸盐洗系统的化学品消耗.
- 非包装系统,特别是硫酸硫酸盐,为废气处理提供了具有成本效益的解决方案.
- 实现的低压下降使该系统非常适合工业适应.
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