燃烧后CO2捕集处理热稳定盐:详细调查

IF 2.7 4区 环境科学与生态学 Q3 ENERGY & FUELS Greenhouse Gases: Science and Technology Pub Date : 2023-09-11 DOI:10.1002/ghg.2242
Wilfred Emori, Inime I. Udoh, Okpo O. Ekerenam, Alexander I. Ikeuba, IniIbehe N. Etim, Chigoziri N. Njoku, Enobong F. Daniel, Demian I. Njoku, Paul C. Uzoma, Sharafadeen K. Kolawole, Olajire S. Olanrele
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引用次数: 0

摘要

在用于二氧化碳捕获过程的烷醇胺溶液中产生热稳定盐(hss)适用于发电厂技术,无论用于捕获过程的胺溶液的类别如何都存在。它们的存在不仅会导致溶剂对CO2的吸收能力下降,导致烷醇胺的进一步降解,而且还会导致溶剂的起泡和损失,从而影响系统的经济性并威胁环境。hss还通过降低pH值和增加吸收溶液的导电性来促进捕获系统金属结构的腐蚀性。总的来说,这些影响大大破坏了二氧化碳捕集装置的可靠性和完整性。这项调查通过揭示典型的烷醇胺基二氧化碳捕集装置中关于其形成点和潜在威胁的流动过程,为hss的存在提供了充分的背景。并对电渗析、精馏、离子交换、电磁分离和溶剂萃取等主要的高磺酸盐脱除和烷醇胺回收方法进行了全面探讨。我们相信,这篇综述论文将使跨学科的研究人员受益,因为我们将继续探索新的和复杂的溶剂配方,以最大限度地降低二氧化碳捕获的成本,同时最大化效率。©2023化学工业协会和John Wiley &儿子,有限公司
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Handling heat-stable salts in post-combustion CO2 capture: A detailed survey

The generation of heat-stable salts (HSSs) in alkanolamine solutions for CO2 capture processes, which is adapted for power plant technologies, exists irrespective of the class of amine solution used for the capture process. Their presence do not only trigger decrements in the CO2 absorption capacities of the solvents and contribute to further alkanolamine degradation, but also result in foaming and loss of solvents, which impacts system economics and threatens the environment. HSSs also promote the corrosiveness of the metallic structures of capture systems by lowering the pH and increasing the conductivity of the absorbent solutions. Overall, these effects substantially subvert the reliability and integrity of CO2 capture units. This survey affords sufficient background on the existence of HSSs by unraveling the flow process in a typical alkanolamine-based CO2 capture unit with respect to their formation points and potential threats. Furthermore, the major HSSs removal and alkanolamine reclamation methodologies (electrodialysis, distillation, ion exchange, electromagnetic separation, and solvent extraction) were comprehensively explored. We believe that this review paper will benefit researchers across disciplines as we continue to explore new and complex solvent formulations to minimize the cost of CO2 capture while maximizing efficiency. © 2023 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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