等离子体技术资源化转化CO_(2)研究进展

Research progress in plasma technology for CO_(2)-resource conver

以CO_(2)为代表的温室气体导致的气候效应日益凸显,全球碳减排迫在眉睫。等离子体技术转化CO_(2)具有独特优势,在实现CO_(2)资源化转化方面展现出良好前景。对近几年等离子体资源化CO_(2)的研究成果进行综述,重点介绍了等离子体转化CO_(2)的主要工艺参数和评价指标,归纳了工艺参数、活性物种、背景气体对CO_(2)转化的影响,重点分析了介质阻挡放电(DBD)等离子体协同催化转化CO_(2)的协同效应。最后,针对等离子体协同催化转化CO_(2)面临的问题与挑战,提出了今后的几个重点研究方向:1)进一步揭示等离子体转化CO_(2)的反应机制;2)系统探究等离子体和催化剂协同作用机制;3)实际工程应用中,应关注反应器的工程放大、使用安全风险以及经济效益等问题。

The climate effects caused by greenhouse gases represented by CO_(2) are increasingly prominent,and global carbon reduction is urgent.Plasma technology has unique advantages in converting CO_(2) and it shows good prospects in achieving CO_(2)-resource conversion.This paper reviewed the research results of plasma technology for CO_(2)-resource conversion in recent years,mainly introduced the main process parameters and evaluation indicators of plasma converting CO_(2),summarized the effects of process parameters,active species and background gases on CO_(2) conversion,and focused on analyzing the synergistic effect of dielectric barrier dischange(DBD)plasma synergistic catalysis on CO_(2) conversion.Finally,in view of the problems and challenges faced by plasma synergistic catalysis for CO_(2)-resource conversion,several key research directions in the future were proposed:1)furtherly reveal the reaction mechanism of plasma converting CO_(2);2)systematically explore the synergistic mechanism of plasma and catalyst;3)from the perspective of practical engineering applications,more attention should be paid on the engineering amplification,safety risks in use,economic benefits of reactors,and so on.