CO2 Capture Using Electrochemically Mediated Amine Regeneration,Industrial & Engineering Chemistry Research

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CO2 Capture Using Electrochemically Mediated Amine Regeneration
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2020-02-18 , DOI: 10.1021/acs.iecr.9b05307
Miao Wang ₁ , Howard J. Herzog ₂ , T. Alan Hatton ₁

Affiliation

We describe the current status of our research on, and the development of, the Electrochemically Mediated Amine Regeneration (EMAR) process for the capture of CO₂ from flue gases. The absorption step in the EMAR process is the same as in the widely used amine process, but the desorption step is accomplished electrochemically as opposed to by a thermal swing used in the amine process. Our laboratory unit has operated continuously for over 200 h, spanning 130 absorption/desorption cycles. We have established an understanding of the thermodynamics of the EMAR process and provided engineering estimates of key features (energetics and sizing) of this technology. The EMAR system does not rely on steam integration, making it a truly plug-and-play unit that can be easily deployed for a range of applications. The EMAR system can also be scaled-down for distributed, modular, and small-scale operations (e.g., stainless steel mini-mills, etc.). Results to date indicate that the EMAR process has the potential to be a viable option for post-combustion CO₂ capture.

中文翻译：

使用电化学介导的胺再生捕获CO ₂

我们描述了目前的研究现状以及电化学介导的胺再生（EMAR）工艺用于捕集CO _2的研究现状来自烟气。EMAR工艺中的吸收步骤与广泛使用的胺工艺中的吸收步骤相同，但是解吸步骤是通过电化学完成的，而不是通过胺工艺中使用的热变。我们的实验室单元连续运行200多个小时，涵盖130个吸收/解吸循环。我们已经了解了EMAR工艺的热力学，并提供了该技术关键特征（能量学和施胶）的工程估算。EMAR系统不依赖于蒸汽集成，因此它是一个真正的即插即用单元，可以轻松地用于各种应用。EMAR系统还可以按比例缩小，以进行分布式，模块化和小规模的操作（例如，不锈钢小型轧机等）。_2次捕获。

更新日期：2020-02-19

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