Electrothermal performance of an activated carbon honeycomb monolith

R.P.P.L. Ribeiro; C.A. Grande; A.E. Rodrigues

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Electrothermal performance of an activated carbon honeycomb monolith

机译：电热性能的活性炭蜂窝庞然大物

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The main advantage of Electric Swing Adsorption (ESA) process is related to the fast heating rates that can be achieved by Joule effect. Since this heating is done by passing electricity, its utilization should be efficient to reduce the overall losses of the system. This work discusses the heat transfer phenomena of an Electric Swing Adsorption (ESA) process in order to improve the overall energetic efficiency of the unit. Experiments were done with an activated carbon honeycomb monolith and testing different electrodes and column arrangements. The experimental set-up with lower electrical resistance has shown lower losses: faster heating rates can be achieved and less heat is lost by natural convection to the surroundings. Brass electrodes employed with a Teflon~R support have resulted in lower energy losses. Results obtained in a laboratory-scale unit allowed a heating efficiency of 52% employing an average power of 293 W. Most of the energy losses were to the electrodes and surroundings, reason why if the process is scaled-up, the efficiency of the unit should be better. Furthermore, the mass of adsorbent/mass of electrodes ratio can be reduced and then the overall efficiency can be increased up to 83%.

机译：电吸附的主要优势(ESA)相关过程是快速加热利率可以通过焦耳效应。这个加热是通过传递电能,它利用应该有效的减少整体系统的损失。电动摇摆的传热现象吸附(ESA)为了提高过程单位的整体能量效率。实验用活性炭蜂窝庞然大物和测试不同电极和列安排。实验设置较低的电电阻显示低损失:更快的加热可以实现和更少的热量是输了自然对流环境。电极采用聚四氟乙烯~ R支持导致较低的能量损失。在实验室规模单位允许加热采用平均功率效率52%293 W。如果电极和环境,原因过程是比例增大的,单位的效率应该更好。吸附剂/电极的质量比率可以减少然后可以提高整体效率上升到83%。

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来源
《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2012年第11期|2013-2022|共10页
作者
R.P.P.L. Ribeiro; C.A. Grande; A.E. Rodrigues;
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作者单位

SINTEF Materials and Chemistry, Process Chemistry Department, Forkningsveien 1, 0373 Oslo, Norway;

Laboratory of Separation and Reaction Engineering (LSRE), Associate Laboratory LSRE/LCM, Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal;

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正文语种英语
中图分类国际共产主义运动;
关键词
Activated carbon; energy losses; Heat transferJoule effectHeatingElectrodesaverage powerScaling UnitsHeating RateElectrical resistance;

机译：活性炭;能源损失;热transferJouleeffectHeatingElectrodesaverage powerScalingUnitsHeating RateElectrical阻力;

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Electrothermal performance of an activated carbon honeycomb monolith

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