Experimental and numerical investigations into temperature distributions and VOC conversion rate of RTO
Issue Date
2022-01-07Subjects
Volatile Organic CompoundsRegenerative Thermal Oxidizer
Subject Categories::F310 Applied Physics
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As regulations for controlling VOCs (Volatile Organic Compounds) emissions have become more and more stringent, RTO (Regenerative Thermal Oxidizer) which involves heat exchange and storage, combustion and reaction processes has to be further optimised for enhancing the VOC treatment efficiency and reducing energy consumption. In this paper, influences of operating temperature distributions and internal flow fields on gas-out VOC concentration have been studied with experimental investigation and CFD numerical simulation. Experimental results shows that combustion temperature (around the combustor) plays more critical role than thermal storage bed temperature for affecting VOC flow-out concentration. By examining the internal flow and temperature distributions, modelling results demonstrate that fast heat transfer takes place in thermal ceramic beds and high temperature areas are formed around the combustor. At about 20 seconds after a bed working for gas-in flow, the heat transfer has demonstrated obvious attenuating. The research suggests that it is very challenging for simultaneously maintaining low gas-out VOC concentration and keeping low fuel consumption and low combustion temperature in RTOs.Citation
Liu J, Peng Z (2022) 'Experimental and numerical investigations into temperature distributions and VOC conversion rate of RTO', 7th International Conference on Advances in Environment Research (ICAER 2021) - Sapporo, IOP Publishing Ltd.Publisher
IOP Publishing LtdAdditional Links
https://iopscience.iop.org/article/10.1088/1755-1315/943/1/012014Type
Conference papers, meetings and proceedingsLanguage
enae974a485f413a2113503eed53cd6c53
10.1088/1755-1315/943/1/012014
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