Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 95, Issue 3, Pages 1007-1013Publisher
SPRINGER
DOI: 10.1007/s10973-008-9315-5
Keywords
co-pyrolysis; kinetics; olive residue; poly(vinyl chloride)
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Pyrolytic process has a promising potential for the environmentally friendly upgrading of lignocellulosic materials and plastic waste. The co-pyrolysis of olive residue and poly(vinyl chloride) was investigated under nitrogen atmosphere by dynamic thermogravimetric analysis in the temperature range of 300-975 K. Two main stages of mass loss have been evidenced by TG analysis. The first occurs in the temperature range of 420-684 K, and the second occurs at 631-840 K. This research was focused on the interaction between olive residue and poly(vinyl chloride) during the pyrolysis process. Discrepancies between the experimental and calculated TG/DTG profiles were considered as a measurement of the extent of interactions occurring on co-pyrolysis. It was found that reactivity of olive residue was increased in olive residue/PVC mixture. In addition, a kinetic analysis was performed to fit thermogravimetric data, the mixture is considered as multistage process. A reasonable fit to the experimental data was obtained for all materials and their mixture by isoconversional Friedman method.
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