2017
DOI: 10.15665/rp.v16i1.1397
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Efecto catalítico del sulfato de zinc y el sulfato férrico en la pirólisis de la lignina/Catalytic effect of zinc sulfate and ferric sulfate on lignin pyrolysis

Abstract: Recurriendo al uso de la técnica análisis termogravimétrico, se estudió el efecto del sulfato de zinc y del sulfato férrico en el proceso de pirólisis de la lignina a tres velocidades de calentamiento. Se encontró que la pirólisis de la lignina pura se afecta muy poco con el cambio de las velocidad de calentamiento entre 10 y 100 °C/min, lo cual es inesperado por la naturaleza cinética de la pirólisis. La cinética de pirólisis de este componente de la biomasa fue estudiada teniendo en cuenta tres métodos de aj… Show more

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Cited by 2 publications
(4 citation statements)
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“…This implies that both catalysts modulate the concentrations of compounds released in the evolved gases, albeit without generating novel compounds. Similar shifts in product distribution have been noted in the pyrolysis of other biomasses under the influence of these catalysts, despite their protective or negligible impact on kinetic parameters [ 22 , 24 , 25 , 52 ]. Protective effects of these metals on cellulose have been suggested by Refs.…”
Section: Results and Discusiónsupporting
confidence: 66%
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“…This implies that both catalysts modulate the concentrations of compounds released in the evolved gases, albeit without generating novel compounds. Similar shifts in product distribution have been noted in the pyrolysis of other biomasses under the influence of these catalysts, despite their protective or negligible impact on kinetic parameters [ 22 , 24 , 25 , 52 ]. Protective effects of these metals on cellulose have been suggested by Refs.…”
Section: Results and Discusiónsupporting
confidence: 66%
“…In contrast, in the pyrolysis of residues from the cassava starch industry, ferric sulfate exhibited a pronounced influence on lignin pyrolysis, while exerting negligible effects on cellulose and hemicellulose pyrolysis [ 54 ]. Moreover, both catalysts demonstrated an elevation in pyrolysis temperature and activation energy for lignin [ 25 ] and a reduction in hemicellulose pyrolysis temperature [ 24 ].…”
Section: Results and Discusiónmentioning
confidence: 99%
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