首页 > 资料下载 > CCS行业路线图-高纯度CO2源-行业评估最终草案(2010)CCS Industry Roadmap – High Purity CO2 Sources_Final Draft Sectoral A
CCS行业路线图-高纯度CO2源-行业评估最终草案(2010)CCS Industry Roadmap – High Purity CO2 Sources_Final Draft Sectoral A CCS行业路线图-高纯度CO2源-行业评估最终草案(2010)CCS Industry Roadmap – High Purity CO2 Sources_Final Draft Sectoral A

CCS行业路线图-高纯度CO2源-行业评估最终草案(2010)CCS Industry Roadmap – High Purity CO2 Sources_Final Draft Sectoral A

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为大多数工业活动(例如锅炉,涡轮机,钢铁炉和水泥窑)实施二氧化碳(CO2)捕集和封存(CCS)技术需要一个捕集步骤,以将相对稀的CO2流转化为更高的浓度,因此 以允许经济运输和存储。 在这些应用中,废气流中的CO2浓度约为3-20%(Metz等,2005),在压缩,运输和存储之前,通常需要将其浓缩至> 85%。 因此,CO2捕集过程需要从废气流中存在的其他气体(特别是氮气(N2),一氧化碳(CO)和元素氧(O2))中去除CO2。 替代地,引入替代燃烧方法可以限制排气流中存在的其他气体的量,例如在接近纯净的氧气中燃烧燃料。

Implementation of carbon dioxide (CO2) capture and storage (CCS) technologies for most industrial activities – for example boilers, turbines, iron & steel furnaces and cement kilns - requires a capture step to convert a relatively dilute stream of CO2 to a higher concentration so as to allow economic transportation and storage. In these applications, concentrations of CO2 in exhaust gas streams range from approximately 3-20% CO2 (Metz et al, 2005), which typically need to be concentrated to >85% prior to compression, transport and storage. CO2 capture processes thus entails the stripping of the CO2 from other gases present in the exhaust gas stream, in particular nitrogen (N2), carbon monoxide (CO) and elemental oxygen (O2). Alternatively, introduction of alternative combustion methods can limit the amount of other gases present in exhaust streams, for example combusting fuels in nearly pure oxygen.

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