有机胺吸收二氧化碳的热力学和动力学研究进展

A review for research on thermodynamics and kinetics of carbon dioxide absorption with organic amines

二氧化碳捕集与封存技术(CCS)是针对大气CO2含量增高导致的全球气候变暖而提出的全球性解决方案。有机胺吸收法作为经济与技术层面最成熟的技术,是实现二氧化碳捕集的重要工艺过程。从有机胺法吸收二氧化碳的基本反应机理出发,系统评述了应用有机胺法吸收捕集CO2的热力学与动力学性质的研究进展,介绍了不同类型胺溶剂分子结构与CO2捕集溶解度和反应速度的关系,并对今后CO2吸收捕集的热力学和动力学的研究方向提出了展望。

Carbon capture and storage technology is aimed to solve the problem of global warming mainly caused by increase of atmospheric CO2 level. Amine absorption method, as the most mature technology with economic and technical aspects, is an important technology for CO2 capture. In this review, from the start point of basic reaction mechanism, research works and results on the thermodynamic and kinetic properties of CO2 absorption with amines are summarized, and relationship of CO2 absorption solubility and reaction rates with molecular structures of different types of amines are described. Finally some research directions for thermodynamics and kinetics of CO2 absorption are put forward.