化石燃料(特别是煤炭)燃烧所产生的CO2已经越来越受到关注,O2/CO2循环燃烧方式和MEA(mono ethanol amine,单乙醇胺)吸附系统是两种重要的具有CO2减排特征的能量转换系统.本文以某电厂300 MW燃煤机组为基础,以过程仿真技术为平台,利用热经济学成本分析的方法对该机组的两种CO2减排方式(O2/CO2循环燃烧方式和MEA吸附方式)进行了技术-经济评价,并比较它们的经济性能.系统评价指标选定为系统的发电成本(cost of electricity)和CO2减排成本(CO2 avoidance costs).分析结果显示:无论是哪一个指标,O2/CO2循环燃烧系统都要比MEA吸附系统小一些,O2/CO2循环燃烧系统更经济、更可取.
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