用于燃煤电厂烟道气CO₂捕集的技术主要为溶液吸收法,根据吸收剂类型可分为混合胺吸收剂、两相吸收剂、无水吸收剂和离子液体吸收剂。描述了现有溶液吸收法的发展情况以及CO₂捕获过程,对不同吸收剂优缺点以及目前工业示范情况进行了综合阐述;重点强调了不同技术路线的工业放大可能性以及捕集成本;最后,指出了未来的发展方向和亟需解决的问题。

Solution absorption methods are the main CO₂ capture technologies for flue gas in coal-fired power plants,which can be classified according to the absorbents used,such as mixed amine absorbent,two-phase absorbent,anhydrous absorbent and ionic liquid absorbent.The development situation of current solution absorption methods and CO₂ capture process are described,the advantages and disadvantages of different absorbents are analyzed,and current industrial demonstration situation is comprehensively described.The industrial amplification possibility and capture cost of different technical routes are emphasized.The development direction in the future and the problems to be solved urgently are presented.

叶舣(1991-),男,博士,工程师,研究方向为二氧化碳捕集,20051679@chnenergy.com.cn