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Review of reactor for chemical looping combustion of solid fuels
International Journal of Greenhouse Gas Control ( IF 3.9 ) Pub Date : 2018-06-30 , DOI: 10.1016/j.ijggc.2018.06.004
Tao Song , Laihong Shen

Chemical Looping Combustion (CLC) is one of the important techniques used to combine fuel combustion and almost pure CO2 production. Significant progress has been made with respect to the utilization of solid fuels in CLC in the last ten years. The key technical challenges of using solid fuels in CLC involve several aspects: reducing unburnt volatiles and gasification products escaping out of fuel reactor, enhancing solid fuel conversion in fuel reactor and minimizing char slip to air reactor, and ash handling. These aspects are closely related to reaction kinetics of oxygen carriers in particulate systems as well as the design and operation of CLC reactors which are widely accepted as interconnected fluidized beds. In this study, an overview of reactor of CLC using solid fuels is given. Detailed descriptions of the bed types and configurations of air reactor, fuel reactor and carbon stripper are illustrated in industrial scale. The available operating experience in the fields of energy and chemical engineering such as deciding solid fuel feeding position and bed internals is demonstrated to address the existing operational problems.



中文翻译:

固体燃料化学循环燃烧反应堆的综述

化学循环燃烧(CLC)是用于结合燃料燃烧和几乎纯净的CO 2的重要技术之一生产。在过去的十年中,CLC中在固体燃料的利用方面取得了重大进展。在CLC中使用固体燃料的主要技术挑战涉及多个方面:减少未燃烧的挥发物和从燃料反应器中逸出的气化产物,提高燃料反应器中的固体燃料转化率,并最大程度地减少煤灰向空气反应器的排放,以及灰分处理。这些方面与颗粒体系中氧载体的反应动力学以及被广泛认为是相互连接的流化床的CLC反应器的设计和操作密切相关。在这项研究中,将概述使用固体燃料的CLC反应堆。空气反应器,燃料反应器和碳汽提塔的床类型和构造的详细说明以工业规模进行了说明。

更新日期:2018-06-30
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