obtaining dynamic model of polymer pyrolysis process making use of thermogravimetric data
DOI:
https://doi.org/10.33571/rpolitec.v13n25a4Keywords:
Thermogravimetry, thermal degradation, polymer, pyrolysisAbstract
This paper describes a systematic procedure to obtain an alternative dynamic model of Low-density polyethylene (LDPE) of the thermal degradation which is founded on experimental data of thermogravimetric analysis. The dynamic model of the process is presented through a pair of first order differential equations proposed for first time in this work. This explains the procedure to reduce the equation's parameters that describes the thermal degradation equation based on thermogravimetric analysis data. A basic simulation is executed to evaluate the behavior of the pyrolysis process of the polymer which is exposed to the application of a constant thermal power, registering variables of temperature and residual mass. This work constitutes the first phase of a research project whose main objective is the start-up of a control system to regulate the operation of a laboratory-scale pyrolysis plant of municipal plastic waste.
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