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Recent progress and remaining challenges in post-combustion CO2 capture using metal-organic frameworks (MOFs)
Progress in Energy and Combustion Science ( IF 29.5 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.pecs.2020.100849
Mohammad Younas , Mashallah Rezakazemi , Muhammad Daud , Muhammad B. Wazir , Shakil Ahmad , Nehar Ullah , Inamuddin , Seeram Ramakrishna

Abstract The emissions of carbon dioxide (CO2) and other greenhouse gases from rapidly growing industries and households are of great concern. These emissions cause problems like global warming and climate change. Although various technologies can be used to decline the alarming levels of greenhouse gases, CO2 capturing is deemed more cost-effective. The metal-organic frameworks (MOFs) are proving to be effective adsorbent material for CO2 capture due to their microporous structure. MOFs exhibit varying extents of chemical and thermal stabilities; hence, distinct MOFs can be selected for applications based on the working environment. In this article, thermal, chemical, mechanical, and hydrothermal stabilities of MOFs and adsorption mechanisms of CO2 capture in MOFs were overviewed. Also, the approaches for enhancing the adsorption capacity and efficacy of MOFs were discussed. Moreover, the utilization of MOFs to improve the separation efficacy of mixed matrix membranes (MMMs) is also discussed. Furthermore, as the conversion of CO2 to fuels and other useful products is a viable next step to CO2 capture, therefore, recent progress in the utilization of MOFs as catalysts for CO2 conversion was also briefly discussed. Present work attempts to link the chemistry of MOFs to process economics for post-combustion CO2 capture.

中文翻译:

使用金属有机框架 (MOF) 捕获燃烧后 CO2 的最新进展和剩余挑战

摘要 快速增长的工业和家庭排放的二氧化碳 (CO2) 和其他温室气体引起了人们极大的关注。这些排放会导致全球变暖和气候变化等问题。尽管可以使用各种技术来降低温室气体的惊人水平,但二氧化碳捕集被认为更具成本效益。由于其微孔结构,金属有机框架 (MOF) 被证明是用于捕获 CO2 的有效吸附材料。MOF 表现出不同程度的化学和热稳定性;因此,可以根据工作环境为应用选择不同的 MOF。本文概述了 MOF 的热、化学、机械和水热稳定性以及 MOF 中 CO2 捕获的吸附机制。还,讨论了提高 MOFs 吸附能力和功效的方法。此外,还讨论了利用 MOF 提高混合基质膜 (MMM) 的分离效率。此外,由于将 CO2 转化为燃料和其他有用的产品是 CO2 捕获的下一步可行,因此,还简要讨论了利用 MOF 作为 CO2 转化催化剂的最新进展。目前的工作试图将 MOF 的化学与燃烧后 CO2 捕获的过程经济学联系起来。还简要讨论了利用 MOF 作为 CO2 转化催化剂的最新进展。目前的工作试图将 MOF 的化学与燃烧后 CO2 捕获的过程经济学联系起来。还简要讨论了利用 MOF 作为 CO2 转化催化剂的最新进展。目前的工作试图将 MOF 的化学与燃烧后 CO2 捕获的过程经济学联系起来。
更新日期:2020-09-01
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