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首页> 外文期刊>Chemical Engineering & Technology: Industrial Chemistry -Plant Equipment -Process Engineering -Biotechnology >Simulation of the Carbonate Looping Process for Post-Combustion CO2 Capture from a Coal-Fired Power Plant
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Simulation of the Carbonate Looping Process for Post-Combustion CO2 Capture from a Coal-Fired Power Plant

机译：燃煤电厂燃烧后二氧化碳捕集的碳酸盐循环过程的模拟

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The present contribution focuses on the carbonate looping process,i.e.,post-combustion CO2 capture by means of CaO containing solid sorbents in a system of two circulating fluidized bed reactors.Material and energy balances were performed using the ASPEN PLUS? software.Two different modeling approaches are applied to the carbonator.First,the entire active fraction of CaO is assumed to be converted;second,the CO2 absorption efficiency in the circulating fluidized bed is calculated using an analytical 1D model for fast fluidization.The absorption of SO2 by CaO is taken into account.The overall plant efficiency depends on the mass flows of fresh limestone and circulating CaO.The process is shown to be economically feasible,having low energy penalties in comparison with other CO2 capture technologies and it seems to be suited for retro-fitting existing power plants.
机译：本论文着重介绍了碳酸盐回路的过程，即在两个循环流化床反应器系统中通过含CaO的固体吸附剂捕集燃烧后的CO2。物料和能量平衡使用ASPEN PLUS？碳酸化器采用了两种不同的建模方法。首先，假定将CaO的全部活性成分转化;其次，使用一维解析模型快速循环化计算循环流化床中的CO2吸收效率。考虑到CaO对SO2的吸收。整个工厂的效率取决于新鲜石灰石和循环CaO的质量流量。该过程被证明是经济可行的，与其他CO2捕集技术相比能耗低。适用于改造现有的发电厂。

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