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An overview of catalytic conversion of CO2 into fuels and chemicals using metallic organic frameworks
Process Safety and Environmental Protection ( IF 7.8 ) Pub Date : 2021-05-01 , DOI: 10.1016/j.psep.2020.10.025
Shaukat Ali Mazari , Nazia Hossain , Wan Jeffrey Basirun , Nabisab Mujawar Mubarak , Rashid Abro , Nizamuddin Sabzoi , Asif Shah

Abstract Abundant CO2 emissions from industries and the transportation sector cause an alarming threat to the planet due to overwhelming concerns over CO2 induced climate change. To resolve this tremendous environmental pollution, the long-term solution for CO2 mitigation exists in the conversion of CO2 into value-added products through catalysis. Among several catalysts, metal organic frameworks (MOFs) are one of the remarkable candidates for CO2 conversion into fuels and chemicals. The MOFs are molded with robust structures, high porosity, high potential of CO2 adsorption, maximum atom utilization due to high dispersion and isolation of active sites of MOFs, tunability of the metal nodes, organic ligands, etc. MOFs have been implemented for several CO2 conversion processes such as cycloaddition of CO2 to epoxides, photocatalytic CO2 reduction, electrocatalytic CO2 reduction, hydrogenation, and others. These processes convert CO2 into products like cyclic carbonates, alkyl formate, formic acid, ethanol, methanol, methane, CO, and others. This study strived to explain elaborately the formation of fuels and chemicals through different catalytic processes using MOFs. Detailed reaction conditions, catalyst chemistry, reaction mechanisms, and formation rates for alkyl formate, formic acid, methanol, ethanol, CO, and methane have been critically analyzed in present study.

中文翻译:

使用金属有机骨架将 CO2 催化转化为燃料和化学品的概述

摘要 由于对二氧化碳引起的气候变化的过度担忧,工业和运输部门的大量二氧化碳排放对地球造成了惊人的威胁。为了解决这种巨大的环境污染,通过催化将二氧化碳转化为增值产品是缓解二氧化碳的长期解决方案。在多种催化剂中,金属有机骨架 (MOF) 是将 CO2 转化为燃料和化学品的重要候选材料之一。MOF 具有坚固的结构、高孔隙率、高 CO2 吸附潜力、由于 MOF 活性位点的高度分散和隔离、金属节点的可调性、有机配体等获得的最大原子利用率。 MOF 已用于几种 CO2转化过程,如 CO2 环加成成环氧化物、光催化 CO2 还原、电催化 CO2 还原、加氢等。这些过程将 CO2 转化为环状碳酸酯、甲酸烷基酯、甲酸、乙醇、甲醇、甲烷、CO 等产品。本研究力求通过使用 MOF 的不同催化过程详细解释燃料和化学品的形成。本研究对甲酸烷基酯、甲酸、甲醇、乙醇、CO 和甲烷的详细反应条件、催化剂化学、反应机制和形成速率进行了严格分析。
更新日期:2021-05-01
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