Abstract
The behavior of the kinetics and pyrolysis of the corn and sugarcane waste (cob corn, husk corn, and bagasse) produced in Colombia have been evaluated in a thermobalance as a step toward their valorization, in order to recover this type of waste. For this, a kinetic model has been developed consisting of a multicomponent mechanism that seeks to describe the formation of volatile materials. This model evaluates the decomposition of hemicellulose, cellulose, and lignin from three parallel and independent reactions network. It also involves the production of other products such as fixed coal and ashes. The evaluation of the model from the kinetic parameters and the thermogravimetric curves were compared with other types of waste, in the same way the chemical characteristics of the studied waste were determined. Although the wastes of this study are completely different, it was found that the degradation behavior of the residues of this study are very similar to other lignocellulosic materials, which demonstrates again that the pyrolysis valorization is possible.
Highlights
Within the production of biofuels, chemicals, and energy, biomass is considered a promising alternative to fossil fuels
This study proved that this reaction scheme can be applied to all types of organic wastes with been proven that once the cellulose degradation begins, process iscan verybefast and a characteristic lignocellulosic contents, demonstrating that thisthetechnique standardized to all peak is produced in the deconvoluted lignocellulosic biomass to determine their pyrolysis kinetics [14,29,30]
This study proved that this reaction scheme can be applied to all types of organic wastes with lignocellulosic contents, demonstrating that this technique can be standardized to all lignocellulosic biomass to determine their pyrolysis kinetics [14,29,30]
Summary
Within the production of biofuels, chemicals, and energy, biomass is considered a promising alternative to fossil fuels. Biofuels are classified as first, second, third, and even up to fourth generation according to the technology used and the raw materials [3,4,5]. Biofuels produced from food crops are considered to be “first-generation” biofuels. Feedstock for these fuels can be categorized into starch, sugar crops, and oilseeds [5]. Second-generation fuels are produced from waste and lignocellulosic materials. Their main advantage is that they do not compete with food/food supplies [6,9]
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