Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas

Using woody biomass in thermochemical gasification can be a viable alternative for producing renewable energy. The type of biomass and the process parameters influence the producer gas composition and quality. This paper presents research on the composition of the producer gas from the gasification...

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Autores principales:	Alejandro Lyons Cerón, Alar Konist, Heidi Lees, Oliver Järvik
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	alder equivalence ratio gasification pine spruce temperature Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/bfe236cef70f42f2b406d0550f070eb8
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spelling	oai:doaj.org-article:bfe236cef70f42f2b406d0550f070eb82021-11-11T19:28:35ZEffect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas10.3390/su1321117632071-1050https://doaj.org/article/bfe236cef70f42f2b406d0550f070eb82021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/11763https://doaj.org/toc/2071-1050Using woody biomass in thermochemical gasification can be a viable alternative for producing renewable energy. The type of biomass and the process parameters influence the producer gas composition and quality. This paper presents research on the composition of the producer gas from the gasification of three woody biomass species: spruce, alder, and pine. The experiments were conducted in a drop-tube reactor at temperatures of 750, 850, and 950 °C, using air as the gasifying agent, with equivalence ratios of 0.38 and 0.19. Gas chromatography with a thermal conductivity detector was used to determine the composition of the producer gas, while the production of total organic compounds was detected using Fourier-transform infrared spectroscopy. All three wood species exhibited very similar producer gas composition. The highest concentration of combustible gases was recorded at 950 °C, with an average of 4.1, 20.5, and 4.6 vol% for H<sub>2</sub>, CO, and CH<sub>4</sub>, respectively, and a LHV ranging from 4.3–5.1 MJ/m<sup>3</sup>. The results were in accordance with other gasification studies of woody species. Higher temperatures enhanced the composition of the producer gas by promoting endothermic and exothermic gasification reactions, increasing gas production while lowering solid and tar yields. The highest concentrations of combustible gases were observed with an equivalence ratio of 0.38. Continuous TOC measurement allowed understanding the evolution of the gasification process and the relation between a higher production of TOC and CO as the gasification temperature raised.Alejandro Lyons CerónAlar KonistHeidi LeesOliver JärvikMDPI AGarticlealderequivalence ratiogasificationpinesprucetemperatureEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 11763, p 11763 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	alder equivalence ratio gasification pine spruce temperature Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	alder equivalence ratio gasification pine spruce temperature Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Alejandro Lyons Cerón Alar Konist Heidi Lees Oliver Järvik Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
description	Using woody biomass in thermochemical gasification can be a viable alternative for producing renewable energy. The type of biomass and the process parameters influence the producer gas composition and quality. This paper presents research on the composition of the producer gas from the gasification of three woody biomass species: spruce, alder, and pine. The experiments were conducted in a drop-tube reactor at temperatures of 750, 850, and 950 °C, using air as the gasifying agent, with equivalence ratios of 0.38 and 0.19. Gas chromatography with a thermal conductivity detector was used to determine the composition of the producer gas, while the production of total organic compounds was detected using Fourier-transform infrared spectroscopy. All three wood species exhibited very similar producer gas composition. The highest concentration of combustible gases was recorded at 950 °C, with an average of 4.1, 20.5, and 4.6 vol% for H<sub>2</sub>, CO, and CH<sub>4</sub>, respectively, and a LHV ranging from 4.3–5.1 MJ/m<sup>3</sup>. The results were in accordance with other gasification studies of woody species. Higher temperatures enhanced the composition of the producer gas by promoting endothermic and exothermic gasification reactions, increasing gas production while lowering solid and tar yields. The highest concentrations of combustible gases were observed with an equivalence ratio of 0.38. Continuous TOC measurement allowed understanding the evolution of the gasification process and the relation between a higher production of TOC and CO as the gasification temperature raised.
format	article
author	Alejandro Lyons Cerón Alar Konist Heidi Lees Oliver Järvik
author_facet	Alejandro Lyons Cerón Alar Konist Heidi Lees Oliver Järvik
author_sort	Alejandro Lyons Cerón
title	Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
title_short	Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
title_full	Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
title_fullStr	Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
title_full_unstemmed	Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas
title_sort	effect of woody biomass gasification process conditions on the composition of the producer gas
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bfe236cef70f42f2b406d0550f070eb8
work_keys_str_mv	AT alejandrolyonsceron effectofwoodybiomassgasificationprocessconditionsonthecompositionoftheproducergas AT alarkonist effectofwoodybiomassgasificationprocessconditionsonthecompositionoftheproducergas AT heidilees effectofwoodybiomassgasificationprocessconditionsonthecompositionoftheproducergas AT oliverjarvik effectofwoodybiomassgasificationprocessconditionsonthecompositionoftheproducergas
_version_	1718431549755490304

Effect of Woody Biomass Gasification Process Conditions on the Composition of the Producer Gas

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