Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants

Abstract: This paper aims to evaluate the implications of Eucalyptus woodchip utilization as an alternative solid fuel for thermal power plants, highlighting its energy properties, power generation expenses and unit variable costs. Woodchip samples were collected from different sources and a proxima...

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Autores principales: Ribeiro,Gabriel Browne de Deus, Magalhães,Mateus Alves de, Batista,Fabio Rodrigo Siqueira, Miranda,Marcos Antônio da Silva, Valverde,Sebastião Renato, Carneiro,Angélica de Cássia de Oliveira
Lenguaje:English
Publicado: Universidad del Bío-Bío 2021
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100429
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spelling oai:scielo:S0718-221X20210001004292021-05-30Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plantsRibeiro,Gabriel Browne de DeusMagalhães,Mateus Alves deBatista,Fabio Rodrigo SiqueiraMiranda,Marcos Antônio da SilvaValverde,Sebastião RenatoCarneiro,Angélica de Cássia de Oliveira Eucalyptus biomass energy properties power generation unit variable cost thermal power plants woodchip. Abstract: This paper aims to evaluate the implications of Eucalyptus woodchip utilization as an alternative solid fuel for thermal power plants, highlighting its energy properties, power generation expenses and unit variable costs. Woodchip samples were collected from different sources and a proximate analysis was carried out in order to determine their moisture content, basic and bulk densities, ash content and higher heating value. Then, with these properties, empirical indices of a 10-megawatt thermal power plant were used to simulate the potential woodchip consumption, the forest area needed and the unit variable cost (US$·MWh−1) for each sample. The results indicate that woodchip samples with lower moisture content and improved higher heating value presented: reduced woodchip consumption for the same power generation, decreased generation expenses, reduced unit variable costs and smaller Eucalyptus plantations area needed to supply the woodchip consumption. Greater energy density may result in lower transportation and storage expenses, however, does not indicate better generation performance, since it is influenced by biomass field conditions. All samples obtained satisfactory levels of ash content, which may result in lower emissions of pollutants and superior operational efficiency. Finally, all samples presented unit variable costs below the limit established by the government for participation in the regulated energy market, which might be an economic attraction for this kind of project. Therefore, Eucalyptus woodchip moisture content, higher heating value and energy density are key issues in sustainable thermal power generation and should be managed by Eucalyptus power plants in order to reach better generation performance and reduced expenses.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.23 20212021-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100429en10.4067/s0718-221x2021000100429
institution Scielo Chile
collection Scielo Chile
language English
topic Eucalyptus biomass
energy properties
power generation
unit variable cost
thermal power plants
woodchip.
spellingShingle Eucalyptus biomass
energy properties
power generation
unit variable cost
thermal power plants
woodchip.
Ribeiro,Gabriel Browne de Deus
Magalhães,Mateus Alves de
Batista,Fabio Rodrigo Siqueira
Miranda,Marcos Antônio da Silva
Valverde,Sebastião Renato
Carneiro,Angélica de Cássia de Oliveira
Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
description Abstract: This paper aims to evaluate the implications of Eucalyptus woodchip utilization as an alternative solid fuel for thermal power plants, highlighting its energy properties, power generation expenses and unit variable costs. Woodchip samples were collected from different sources and a proximate analysis was carried out in order to determine their moisture content, basic and bulk densities, ash content and higher heating value. Then, with these properties, empirical indices of a 10-megawatt thermal power plant were used to simulate the potential woodchip consumption, the forest area needed and the unit variable cost (US$·MWh−1) for each sample. The results indicate that woodchip samples with lower moisture content and improved higher heating value presented: reduced woodchip consumption for the same power generation, decreased generation expenses, reduced unit variable costs and smaller Eucalyptus plantations area needed to supply the woodchip consumption. Greater energy density may result in lower transportation and storage expenses, however, does not indicate better generation performance, since it is influenced by biomass field conditions. All samples obtained satisfactory levels of ash content, which may result in lower emissions of pollutants and superior operational efficiency. Finally, all samples presented unit variable costs below the limit established by the government for participation in the regulated energy market, which might be an economic attraction for this kind of project. Therefore, Eucalyptus woodchip moisture content, higher heating value and energy density are key issues in sustainable thermal power generation and should be managed by Eucalyptus power plants in order to reach better generation performance and reduced expenses.
author Ribeiro,Gabriel Browne de Deus
Magalhães,Mateus Alves de
Batista,Fabio Rodrigo Siqueira
Miranda,Marcos Antônio da Silva
Valverde,Sebastião Renato
Carneiro,Angélica de Cássia de Oliveira
author_facet Ribeiro,Gabriel Browne de Deus
Magalhães,Mateus Alves de
Batista,Fabio Rodrigo Siqueira
Miranda,Marcos Antônio da Silva
Valverde,Sebastião Renato
Carneiro,Angélica de Cássia de Oliveira
author_sort Ribeiro,Gabriel Browne de Deus
title Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
title_short Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
title_full Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
title_fullStr Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
title_full_unstemmed Evaluation of Eucalyptus woodchip utilization as fuel for thermal power plants
title_sort evaluation of eucalyptus woodchip utilization as fuel for thermal power plants
publisher Universidad del Bío-Bío
publishDate 2021
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100429
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