Kinetic modelling of tyre pyrolysis in a conical spouted bed reactor

被引：0
|
作者：
Olazar, Martin [1 ]
Lopez, Gartzen [1 ]
Arabiourrutia, Miriam [1 ]
Elordi, Gorka [1 ]
Aguado, Roberto [1 ]
Bilbao, Javier [1 ]
机构：
[1] University of the Basque Country, Faculty of Science and Technology, Department of Chemical Engineering, P.O. Box 644, E48080 Bilbao, Spain
来源：
Journal of Analytical and Applied Pyrolysis | 2008年 / 81卷 / 01期
关键词：
A novel kinetic model has been proposed for the thermal pyrolysis of tyres. The model is based on a reaction scheme that considers an intermediate lump and parallel reactions for the formation of the different product lumps. Seven lumps have been taken; which are gas (C4); non-aromatic liquid (C5-C); aromatics; (C); tar; (C11+); char (low grade carbon black); intermediate and the original tyre. The kinetic data have been obtained in a pilot plant provided with a conical spouted bed reactor. The inert gas used is nitrogen and the temperature has been varied from 425 to 610 °C. Discontinuous runs have been carried out for obtaining the kinetic data; and the product stream has been analysed on-line at different reaction times; thereby monitoring the evolution with time of mass fraction of the different components. The kinetic model gives reasonable predictions for lump yields. © 2007 Elsevier B.V. All rights reserved;
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页码：127 / 132
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