在CO2捕获过程中通过脱的参数管理减少气溶排放,在多阶段循环吸收器中
Lingyu Shao1, Chang Liu1, Yifan Wang1
1State Key Lab of Clean Energy Utilization, State Environmental Protection Engineering Center for Coal-Fired Air Pollution Control, Zhejiang University, 38 Zheda Road, Hangzhou 310027, People's Republic of China.
Environmental science & technology
|July 6, 2023
概括
这项研究引入了一个多级循环系统,以减少二氧化碳 (CO2) 捕获的气溶排放,显著降低污染和溶剂损失. 这种新的方法通过优化循环和水洗实现了大量的气溶减少.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
- 大气化学 大气化学
背景情况:
- 来自二氧化碳捕获过程的气溶排放有助于溶剂损失和环境污染.
- 有效的减缓策略对于可持续的碳捕获技术至关重要.
研究的目的:
- 开发和评估一种新的多阶段循环方法,用于在二氧化碳捕获过程中协同减少气溶.
- 尽量减少与气溶排放相关的溶剂损失和环境影响.
主要方法:
- 在吸收部分实施三级循环系统.
- 分离吸收部分的运行,管理液气比率和溶剂温度.
- 包含一个水洗部分,用于吸收后的气溶清除.
主要成果:
- 在第三个吸收部分,气溶质量度减少了25.6%,达到349.7 mg/m3.
- 通过优化洗水参数实现进一步降低至168.6 mg/m3.
- 脱操作和水洗在气溶缓解方面的证明有效性.
结论:
- 多级循环系统与脱的操作和水洗有效减少气溶排放从二氧化碳捕获.
- 这种方法为缓解全球变暖和控制环境污染提供了巨大的潜力.
- 提议的改进包括溶剂回收利用和SO2联合去除.
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