Previous work has focused on a series of fundamental Thermal Gravimetric Analysis (TGA) studies using representative atmospheres found in Waste-to-Energy (WtE) boilers. Those studies were done for waste tires and their major constituents, such as Styrene-Butadiene Copolymer (SBR) and Poly-Isoprene (IR). The outcome has been the elucidation of the likely mechanism responsible for initial decomposition, final product and byproduct formation. To extend that understanding to a more practical level, a flow through apparatus has been used to test waste tire samples in the temperature range of 500°C–800°C. A chemical analysis in this temperature range has been performed to compare the thermal degradation mechanism and air pollutant generation in low temperature regimes. The release of chemicals from a tubular quartz reactor containing a tire sample has been determined experimentally using a GC/MS. Significant Volatile Organic Carbons (VOCs) including benzene derivatives, PAHs, and Hetero-N containing PAHs were observed. This study identifies and quantifies the concentration levels of various hazardous air pollutants, and provides new data for the overall development and validation of detailed reaction mechanisms that can describe the thermal degradation of waste tires. This information will enable the development of mitigation strategies that can address those levels of pollutant species.
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16th Annual North American Waste-to-Energy Conference
May 19–21, 2008
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Solid Waste Processing Division and Environmental Engineering Division
ISBN:
0-7918-4293-2
PROCEEDINGS PAPER
An Investigation of the Thermal Degradation Mechanisms of a Waste Tire Through Chemical Analysis Including Hydrocarbons, Benzene Derivatives, and Polycyclic Aromatic Hydrocarbons (PAHs) at High Temperature
Marco J. Castaldi,
Marco J. Castaldi
Columbia University, New York, NY
Search for other works by this author on:
Eilhann Kwon
Eilhann Kwon
Columbia University, New York, NY
Search for other works by this author on:
Marco J. Castaldi
Columbia University, New York, NY
Eilhann Kwon
Columbia University, New York, NY
Paper No:
NAWTEC16-1914, pp. 97-105; 9 pages
Published Online:
June 22, 2009
Citation
Castaldi, MJ, & Kwon, E. "An Investigation of the Thermal Degradation Mechanisms of a Waste Tire Through Chemical Analysis Including Hydrocarbons, Benzene Derivatives, and Polycyclic Aromatic Hydrocarbons (PAHs) at High Temperature." Proceedings of the 16th Annual North American Waste-to-Energy Conference. 16th Annual North American Waste-to-Energy Conference. Philadelphia, Pennsylvania, USA. May 19–21, 2008. pp. 97-105. ASME. https://doi.org/10.1115/NAWTEC16-1914
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