Journal
ENERGY & FUELS
Volume 23, Issue 11, Pages 5423-5431Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ef900582k
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Funding
- Department of Education of the Basque Country [GIC07/24-IT-220-07]
- Ministry of Science and Education of the Spanish Government [CTQ2007-61167]
- Department of Industry of the Basque Government [ETORTEK-08/27]
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The pyrolysis of waste tires in continuous mode has been studied in a pilot plant provided with a conical spouted bed reactor, in the 425-600 degrees C range, by feeding two types of tire materials with different contents of natural and synthetic rubber. The properties of the pyrolysis products have been characterized using different techniques for both the volatile and solid fraction. The liquid has been analyzed by means of GC/MS, GCxGC and simulated distillation, and the residual carbon black by elemental analysis and surface characterization. Neither temperature nor tire composition has a significant effect on the yields of gas, liquid and residual carbon black fractions, but they considerably affect product properties. The contents of natural rubber and styrene-butadiene rubber in file tire have a significant effect on the liquid composition (contents of aromatics and interesting raw materials, Such as styrene and limonene). The carbon black obtained at 600 degrees C has a high surface area and is suitable for active carbon production.
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