Research on the Kinetics of Pyrolysis of Wood-Based Panels in Terms of Waste Management

Tomasz Jaworski and Małgorzata Kajda-Szcześniak
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Tomasz Jaworski: Department of Technologies and Installations for Waste Management, Silesian University of Technology, 44-100 Gliwice, Poland
Małgorzata Kajda-Szcześniak: Department of Technologies and Installations for Waste Management, Silesian University of Technology, 44-100 Gliwice, Poland

Energies, 2019, vol. 12, issue 19, 1-13

Abstract: Currently, there is a lot of interest in implementing the idea of a circular economy along with searching for optimal methods of waste management in terms of raw materials and energy. Waste wood-based floor panels are part of this discussion with regard to its management. The interest in this waste results from statistics and the prediction of its future quantities on the waste market. The separation and testing of individual layers of the waste floor panel was undertaken to answer the following question: Is it reasonable to mechanically separate the contaminated upper panel layer from the remaining part (which is suitable for material recycling) and subject it to thermal transformation methods? Thermogravimetric studies did not confirm the rationale of mechanical separation of layers for further management. Therefore, the use of pyrolysis was proposed as an alternative by showing the advantages of this process in the thermal transformation of the tested waste. The analyzed kinetics of this process included: mass loss, the influence of heating rate on the decomposition process, the impact of volatile parts in the substrate on the rate of mass loss, and the share of coke residue. Empirical formulas of the tested substrates in the molecular formula C–H–O–N (carbon-hydrogen-oxygen-nitrogen) were also proposed to assess its energy usefulness by entering the analyzed waste into a Van Krevelen diagram.

Keywords: kinetics; pyrolysis; wood-based panels; Van KREVELEN systematics; TG-MS/FTIR analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
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