A comprehensive evaluation of a recently developed water-lean amine-based solvent, namely N-(2-ethoxyethyl)-3-morpholinopropan-1-amine (2-EEMPA), has been performed to analyze its post-combustion CO₂ capture performance. This evaluation comprises (1) fundamental characterization of the solvent–CO₂ interaction using vapor–liquid equilibria, kinetics and viscosity measurements; (2) process characterization of the CO₂ capture performance as measured in a laboratory scale continuous flow system and via Aspen Plus® simulation using a flue gas simulant; as well as (3) a full techno economic analysis of the capture process at industrial scale with corresponding projections of critical metrics. This paper summarizes the many parts of this comprehensive evaluation and shows how the various parts come together to empower validated conclusions about its process performance. Notably, it is projected that this solvent can operate at a regeneration heat rate of 2.0 GJ per tonne CO₂ for post-combustion capture, and at a total cost of capture of $50.6/tonne CO₂. With further process optimization significant reductions in the capture cost are predicted.

中文翻译：

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单组分贫水燃烧后CO2捕集溶剂，具有极低的运行热量和捕集总成本–全面的实验和理论评估

已对最近开发的贫水胺基溶剂，即N-（2-乙氧基乙基）-3-吗啉代丙烷-1-胺（2-EEMPA）进行了综合评估，以分析其燃烧后的CO ₂捕集性能。该评估包括（1）使用气液平衡，动力学和粘度测量来表征溶剂与CO ₂相互作用的基本特征；（2）CO的过程表征₂捕获性能，如实验室规模的连续流系统和测量经由使用烟气模拟剂进行AspenPlus®模拟；（3）对工业规模捕集过程进行全面的技术经济分析，并对关键指标进行相应的预测。本文总结了这一全面评估的许多部分，并展示了各个部分如何结合起来以实现关于其过程性能的经过验证的结论。值得注意的是，预计该溶剂可以在燃烧后捕集时以每吨CO ₂ 2.0 GJ的再生热速率运行，捕集总成本为$ 50.6 / t CO ₂。随着进一步的工艺优化，预计捕获成本将大大降低。