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Title

DSC study of curing in smokeless briquetting

AuthorsMayoral Gastón, María del Carmen ; Izquierdo Pantoja, María Teresa CSIC ORCID ; Blesa Moreno, Mª Jesús; Andrés Gimeno, José Manuel ; Rubio Villa, Begoña CSIC ORCID ; Miranda Ibáñez, José Luis
KeywordsBriquettes
Curing
Coal
DSC
Issue Date11-Apr-2001
PublisherElsevier
CitationThermochimica Acta 371(1-2): 41-44 (2001)
AbstractBriquettes potentially suited for smokeless fuel were successfully prepared from mixtures of previously pyrolyzed coal and biomass, and mixed with sugar cane molasses as binder. Briquettes were cured at 200°C in air for different times, and the physical performance of the cured briquettes were studied using the water and impact resistance tests (WRI and IRI). Since curing was an exothermic process, the residual heat of reaction evolved was considered to be an indication of the degree of curing. In this work, the degree of curing as a function of time was monitored quantitatively, measuring the residual heat of reaction at each condition studied by differential scanning calorimetry (DSC), and compared with the physical characterization. The results implied that the technique did not give a fast alternative to WRI and IRI tests, but was very useful in describing the mechanism by which the molasses behaved as binders.
Publisher version (URL)https://doi.org/10.1016/S0040-6031(00)00788-7
URIhttp://hdl.handle.net/10261/168101
DOI10.1016/S0040-6031(00)00788-7
ISSN0040-6031
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