Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
Volume 30, Issue 5, Pages 385-391Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15567030701457079
Keywords
kinetic analysis; polyethylene; TGA; thermal degradation
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Thermal decomposition kinetics of low- and high-density polyethylene (LDPE, HDPE) were investigated. Thermal degradation of raw and waste LDPE and HDPE was performed using a thermogravimetric analyzer (TGA) in nitrogen atmosphere under non-isothermal conditions. Heating rates between 5 and 50 K/min were employed in TGA experiments. First-order decomposition reaction was assumed, and for the kinetic analysis an integral method was used. The apparent activation energy (E-a) and the pre-exponential factor (k(o)) were evaluated. It was found that value of the kinetic parameters and apparent activation energy of HDPE were larger than the LDPE.
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