Abstract
The combustion kinetics of biomass-cotton stalk (CS), polymer-polypro-pylene (PP) and blend of polymer/biomass-polypropylene/cotton stalk blends were examined through thermo gravimetric analysis in this study. The experiments were performed under non-isothermal conditions in the 298 - 873 K temperature interval. The heating rate of this research realized under the air atmosphere was designated as 5 K·min-1. The particle size effect on the combustion behavior of cotton stalk was also studied. A decrease in the maximum rate of decomposition and an increase in the temperature of maximum decomposition with increasing particle size were obtained. Three different models based on the Arrhenius method were used to analyze differential thermo gravimetric data. Blending ratio effects of biomass-cotton stalk and polymer-polypropylene on the combustion kinetics were further explored. Additionally, factors and kinetic parameters were also discussed. Activation energies obtained through the Arrhenius method (n = 1) were much lower than that of polypropylene for all blends. As a result of the research, as the weight percentage of polypropylene in the mixture rises, an increase in activation energy values was observed. The minimum value of the activation energy was calculated with PP/CS with 2/3 blending ratio as 35.8 kJ·mol-1.
Highlights
Processing of biomass for energy production is presently being considered as an alternative means of reducing CO2 emission and replacement of fossil fuels
The effect of particle size on the combustion behavior of cotton stalk and combustion behavior of polypropylene and polypropylene/cotton stalk blends were analyzed under air atmosphere by using the thermogravimetric analyzer
A maximum was observed in the total conversion values with increasing cotton stalk particle size
Summary
Processing of biomass for energy production is presently being considered as an alternative means of reducing CO2 emission and replacement of fossil fuels. Cotton straw and stalk pyrolysis under different conditions was investigated by Pütün [1]. One of the methods to overcome this type of waste that is not biologically degradable is thermal decomposition Yields of this process which can all be used for various purposes are energy and gaseous and liquid products [14] [15] [16]. Combined combustion realized with a mix of polymers and biomass can enhance the efficiency of the processing This method can further ensure an alternative solution to handle the waste problem. Durusoy 282 mixtures were studied by using a thermo gravimetric analyzer Within this context, the study aims to obtain an overall understanding on cotton stalk and polypropylene interaction. Before, during and after the experiment, samples were stored within sealed containers in room temperature
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