Research Progress and Perspectives of Solid Fuels Chemical Looping Reaction with Fe-Based Oxygen Carriers,Energy & Fuels

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Research Progress and Perspectives of Solid Fuels Chemical Looping Reaction with Fe-Based Oxygen Carriers
Energy & Fuels ( IF 5.2 ) Pub Date : 2022-11-11 , DOI: 10.1021/acs.energyfuels.2c02802
Yu Guan _{1,

2} , Yinhe Liu _{1,

2} , Xiaolong Lin _{1,

2} , Bo Wang _{1,

2} , Qiang Lyu _{1,

2}

Affiliation

Chemical looping (CL) is regarded as a promising technology in industrial applications, because of its inherent characteristic of CO₂ capture. The technique of CL is applied in solid fuels fields, including chemical looping combustion (CLC), chemical looping gasification (CLG), chemical looping reforming (CLR), chemical looping water splitting (CLWS), and oxygen carrier aided combustion (OCAC). Oxygen carrier is a core media in chemical looping reaction, which plays the role of transporting oxygen and has the function of decreasing the energy penalty of air separation. Among all oxygen carriers, iron-based (Fe-based) materials are of most possibilities to be applied in industrial field, because of its economical and eco-friendly characteristics. Some reviews have reported the Fe-based oxygen carrier in CL application. However, the related preparation methods, overall application of CL and theoretical reaction calculation of Fe-based oxygen carriers have not been covered comprehensively. In this Review, the general view of Fe-based oxygen carrier including iron ores and artificial synthesis are reviewed. In addition, the different synthesis methods of Fe-based oxygen carrier are meticulously and profoundly summarized, involving mechanical mixing, impregnation, spraying drying, freeze granulation, sol–gel, solution combustion, and coprecipitation method. Then, the characteristics of Fe-based oxygen carrier from the perspectives of thermodynamics, redox kinetics analysis, antisintering and wear property of iron oxides are discussed in detail. Furthermore, the chemical looping reaction mechanism of Fe-based oxygen carriers is reviewed from the perspectives of reaction and oxygen carrier migration mechanism. Moreover, this review summarizes the application of Fe-based oxygen carrier in CLC, CLG, CLR, CLWS, and OCAC. And the recent progress of reaction mechanism of oxygen carrier by density functional theory (DFT) calculations and machine learning are further presented. Finally, the challenges and prospects for Fe-based oxygen carrier with the corresponding effective strategies are proposed. It is expected that this Review may provide insights into the Fe-based oxygen carrier and the practical application of chemical looping.

中文翻译：

铁基载氧体固体燃料化学链反应研究进展与展望

化学链(CL)由于其CO _{2的固有特性而被认为是工业应用中有前途的技术}捕获。CL技术应用于固体燃料领域，包括化学循环燃烧（CLC）、化学循环气化（CLG）、化学循环重整（CLR）、化学循环水分解（CLWS）和载氧体辅助燃烧（OCAC）。载氧体是化学链反应中的核心介质，起着输送氧气的作用，具有降低空分能量损失的作用。在所有载氧体中，铁基（Fe基）材料因其经济环保的特点，最有可能应用于工业领域。一些评论报道了 CL 应用中的铁基氧载体。然而，相关的制备方法，CL的整体应用和铁基氧载体的理论反应计算尚未全面涵盖。本综述综述了包括铁矿石在内的铁基载氧体和人工合成的概况。此外，对铁基氧载体的不同合成方法进行了细致而深刻的总结，涉及机械混合法、浸渍法、喷雾干燥法、冷冻制粒法、溶胶-凝胶法、溶液燃烧法和共沉淀法。然后，从热力学、氧化还原动力学分析、铁氧化物的抗烧结和磨损性能等角度详细讨论了铁基载氧体的特性。此外，从反应和载氧体迁移机理的角度综述了铁基载氧体的化学链反应机理。此外，这篇综述总结了铁基载氧体在CLC、CLG、CLR、CLWS和OCAC中的应用。并进一步介绍了通过密度泛函理论（DFT）计算和机器学习研究氧载体反应机理的最新进展。最后，提出了铁基氧载体面临的挑战和前景以及相应的有效策略。预计本综述可以提供对铁基氧载体和化学链实际应用的见解。并进一步介绍了通过密度泛函理论（DFT）计算和机器学习研究氧载体反应机理的最新进展。最后，提出了铁基氧载体面临的挑战和前景以及相应的有效策略。预计本综述可以提供对铁基氧载体和化学链实际应用的见解。并进一步介绍了通过密度泛函理论（DFT）计算和机器学习研究氧载体反应机理的最新进展。最后，提出了铁基氧载体面临的挑战和前景以及相应的有效策略。预计本综述可以提供对铁基氧载体和化学链实际应用的见解。

更新日期：2022-11-11

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