Characterization of three different solid wastes as energy resources for pyrolysis

F. Campuzano, C. F. Ortíz, M. Betancur, J. D. Martínez

Resultado de la investigación: Contribución a una revistaArtículo de la conferenciarevisión exhaustiva

Resumen

This work aimed the chemical and thermochemical characterization of three different solid wastes in order to identify promising properties for their further energy valorization by pyrolysis. The chosen materials were: (i) rice husk (RH), (ii) waste tire (WT), and (iii) municipal solid waste (MSW). The characterization techniques used were elemental, proximate, and heating value analyses. In addition, thermogravimetric analyses (TGA) in N2 atmosphere were also conducted. The obtained results showed that RH has a higher heating value (HHV) of 15.30 MJ/kg and contains less carbon (∼41 wt.%) and more oxygen (∼38 wt.%) than conventional fossil fuels. The WT has a significant HHV (37.92 MJ/kg) mainly due to their high carbon content (∼81 wt.%) and the low oxygen content (∼2 wt.%). The MSW, free of metal and glass materials, was mainly composed of volatile matter (∼92 wt.%), and showed a HHV of 22.41 MJ/kg. The TG diagrams exhibited different reaction zones which were associated with the decomposition of the main constituents of each sample. This simple but important characterization procedure could be considered as a fundamental tool for the qualification (expected characteristics of the final pyrolysis products) and quantification (maximum conversion efficiency) of the effect of some feedstock properties on the pyrolysis process. In this sense, this work is the starting point for the evaluation of pyrolysis process as an energy valorization method of different wastes.

Idioma originalInglés
Número de artículo012002
PublicaciónIOP Conference Series: Materials Science and Engineering
Volumen437
N.º1
DOI
EstadoPublicada - 25 oct. 2018
Publicado de forma externa
Evento3rd International Congress of Mechanical Engineering and Agricultural Science, CIIMCA 2017 - Bucaramanga, Colombia
Duración: 2 oct. 20176 oct. 2017

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© Published under licence by IOP Publishing Ltd.

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