单乙醇胺水溶液二氧化碳解吸过程参数敏感性分析

IF 2.7 4区 环境科学与生态学 Q3 ENERGY & FUELS Greenhouse Gases: Science and Technology Pub Date : 2024-08-06 DOI:10.1002/ghg.2299
Armando Zanone, José Luis de Paiva
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引用次数: 0

摘要

二氧化碳(CO2)捕集技术对于减缓气候变化至关重要,其中利用化学吸收进行燃烧后捕集(PCC)是一种主要方法。然而,高能耗的溶剂再生过程带来了巨大的挑战,其能耗高达碳封存总能耗的 50%。尽管对吸收进行了广泛的研究,但对解吸的研究仍然有限。本研究的重点是通过在中试规模的托盘塔中以不同流速进行实验运行,验证 Aspen Plus 模型的解吸分析。研究比较了平衡模型和基于速率的模型之间的级数、进料级位置、塔压和回流比的影响。研究结果表明,通过优化操作条件,包括降低流速、增加平衡级、进料级位置更靠近冷凝器、升高压力和降低回流比,解吸效率得到了提高。© 2024 化学工业协会和 John Wiley & Sons, Ltd. 保留所有权利。
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Sensitivity analysis of parameters on carbon dioxide desorption processes from aqueous monoethanolamine solution

Carbon dioxide (CO2) capture technologies are crucial for mitigating climate change, with post-combustion capture (PCC) using chemical absorption being a leading method. However, the energy-intensive solvent regeneration process presents a significant challenge, consuming up to 50% of the total energy in carbon sequestration. Despite extensive research on absorption, desorption studies remain limited. This study focuses on the desorption analysis through experimental runs in a pilot-scale tray column with varying flow rates, validating an Aspen Plus model. The research compares the impact of the number of stages, feed stage position, column pressure, and reflux ratio between equilibrium and rate-based models. The findings reveal enhanced desorption efficiency through optimized operational conditions, including reduced flow rates, additional equilibrium stages, feeding stage positioning closer to the condenser, elevated pressures, and lower reflux ratios. © 2024 Society of Chemical Industry and John Wiley & Sons, Ltd.

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来源期刊
Greenhouse Gases: Science and Technology
Greenhouse Gases: Science and Technology ENERGY & FUELS-ENGINEERING, ENVIRONMENTAL
CiteScore
4.90
自引率
4.50%
发文量
55
审稿时长
3 months
期刊介绍: Greenhouse Gases: Science and Technology is a new online-only scientific journal dedicated to the management of greenhouse gases. The journal will focus on methods for carbon capture and storage (CCS), as well as utilization of carbon dioxide (CO2) as a feedstock for fuels and chemicals. GHG will also provide insight into strategies to mitigate emissions of other greenhouse gases. Significant advances will be explored in critical reviews, commentary articles and short communications of broad interest. In addition, the journal will offer analyses of relevant economic and political issues, industry developments and case studies. Greenhouse Gases: Science and Technology is an exciting new online-only journal published as a co-operative venture of the SCI (Society of Chemical Industry) and John Wiley & Sons, Ltd
期刊最新文献
Issue Information Core-flooding experiments of various concentrations of CO2/N2 mixture in different rocks: II. Effect of rock properties on residual water Development of a multicomponent counter-current flow model to evaluate the impact of oxygen and water vapor on CO2 removal performance in a hollow fiber membrane contactor Invasion percolation & basin modelling for CCS site screening and characterization A study on degradation and CO2 capture performance of aqueous amino acid salts for direct air capture applications
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