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通过新型绿色溶剂吸收深层环氧溶剂的二氧化硫:建模选
Atefe Rajabi1, Reza Haghbakhsh1, Amir Goshadrou1
1Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, 81746-73441, Isfahan, Iran.
Chemosphere
|October 10, 2024
概括
使用绿色溶剂捕获二氧化硫 (SO2) 是至关重要的. 这项研究评估了SO2溶解度在深性溶剂 (DESs) 中的模型,发现化学吸收模型在工业应用中优越.
科学领域:
- 环境化学环境化学
- 化学工程是化学工程的重要组成部分.
- 绿色化学 绿色化学
背景情况:
- 煤炭燃烧产生的二氧化硫 (SO2) 排放导致酸雨和环境破坏.
- 目前用于SO2吸收的有机溶剂对环境产生负面影响.
- 深度乙溶剂 (DESs) 正在成为捕获SO2的有希望的绿色替代品.
研究的目的:
- 综合选和评估各种模型,以预测不同DES中的SO2溶解度.
- 确定工业环境中SO2吸收的最准确的建模方法.
- 为选择适当的模拟策略提供指导方针,用于通过DESs捕获SO2.
主要方法:
- 在63个DES (976个数据点) 中编制了最大的SO2溶解度数据集.
- 研究的物理吸收模型:SRK,CPA (状态方程),NRTL,UNIQUAC (活动系数模型).
- 评估化学吸收模型:反应组合热力学模型 (RETM).
主要成果:
- 像CPA-UNIQUAC和SRK-UNIQUAC这样的物理吸收模型表现良好.
- 该RETM化学吸收模型表现出最好的准确性,AARD%为12.95.
- 化学吸收机制对于在DESs.中准确预测SO2溶解度至关重要.
结论:
- 化学吸收建模,特别是RETM,强烈推用于通过DESs捕获SO2.
- 这项研究为开发绿色溶剂技术的研究人员提供了有价值的见解,以减少二氧化.
- 精确的建模对于优化使用DESs的工业规模的SO2捕获过程至关重要.
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