使用Endex原理从烟道排放物中分离二氧化碳
Separation of carbon dioxide from flue emissions using Endex principles
摘要：
在Endex反应器中，吸热和放热反应直接热耦合并且动力学匹配，以实现固有的热稳定性、高效转化、自热操作和最小的热损失。应用于从烟道气中在线分离二氧化碳的问题，Endex原理有望实现前所未有的经济可行性的二氧化碳捕获技术。在这项工作中，我们描述了Endex钙环反应器，其中二氧化碳化学吸附到氧化钙上释放的热量直接用于驱动逆反应，产生纯二氧化碳流用于压缩和地质封存。在这个初步的研究中，我们建议的反应器模型作为一个连续流动力系统在搅拌良好的限制，计算的稳定状态，并分析其稳定性在操作参数空间，标志潜在的设计和操作的挑战，并提出了一个最佳的制度，有效的操作。
英文摘要：
In an Endex reactor endothermic and exothermic reactions are directly thermally coupled and kinetically matched to achieve intrinsic thermal stability, efficient conversion, autothermal operation, and minimal heat losses. Applied to the problem of in-line carbon dioxide separation from flue gas, Endex principles hold out the promise of effecting a carbon dioxide capture technology of unprecedented economic viability. In this work we describe an Endex Calcium Looping reactor, in which heat released by chemisorption of carbon dioxide onto calcium oxide is used directly to drive the reverse reaction, yielding a pure stream of carbon dioxide for compression and geosequestration. In this initial study we model the proposed reactor as a continuous-flow dynamical system in the well-stirred limit, compute the steady states and analyse their stability properties over the operating parameter space, flag potential design and operational challenges, and suggest an optimum regime for effective operation.
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