PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNICENTRO |
Texto Completo: | http://tede.unicentro.br:8080/jspui/handle/jspui/1313 |
Resumo: | The energy potential of forest harvest residues allows them to be used as a source of raw material for the production of pellets, as they are low-cost, from sustainable sources and are available all year round. However, its composition, which includes different compartments of the tree, and the time that can be stored in the field are factors that can affect the quality of the pellets produced. This study was based on the thesis that the residual material from the forest harvest can be used in the production of pellets, the objectives being to evaluate the influence of the species, the tree compartments and the storage time on its quality. The pellets were produced in a flat die laboratory pelletizing press using the three compartments (tip, branches and needles/leaves) of pine and eucalyptus, pure and in different mixtures, and using the mixture of biomass obtained from the harvest of pine and eucalyptus in four different storage times in the field. The evaluation of the pellets was carried out by analyzing the physicalmechanical and energetic properties: moisture content, bulk density, unit density, mechanical durability, fines content, proximate analysis, gross calorific value and net calorific value. The quality of the pellets has been compared to ISO 17225-2. Still, for pellets produced with harvest biomass, thermogravimetric analysis was performed. Pinus needles and eucalyptus leaves biomasses contributed to increase the mechanical durability and increase the net and gross calorific value of the pellets, but increased the ash content when mixed with a tip and branches. The pellets of branches, tip and the mixture between these two compartments of pine and eucalyptus showed the lowest values for ash content. Up to 180 days, maximum storage time for residual biomass in the evaluated field, there was no influence on the physical, mechanical and energetic properties of the pellets. Due to their properties, pellets of residual biomass from the pine and eucalyptus harvest can be indicated for industrial use. |
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Hillig, Évertonhttp://lattes.cnpq.br/5240619272740210092.835.684-19http://lattes.cnpq.br/9747346879366074Lúcio, Danielle de Moraes2021-02-17T12:44:00Z2020-09-04Lúcio, Danielle de Moraes. PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais - Doutorado) - Universidade Estadual do Centro-Oeste, Irati-PR.http://tede.unicentro.br:8080/jspui/handle/jspui/1313The energy potential of forest harvest residues allows them to be used as a source of raw material for the production of pellets, as they are low-cost, from sustainable sources and are available all year round. However, its composition, which includes different compartments of the tree, and the time that can be stored in the field are factors that can affect the quality of the pellets produced. This study was based on the thesis that the residual material from the forest harvest can be used in the production of pellets, the objectives being to evaluate the influence of the species, the tree compartments and the storage time on its quality. The pellets were produced in a flat die laboratory pelletizing press using the three compartments (tip, branches and needles/leaves) of pine and eucalyptus, pure and in different mixtures, and using the mixture of biomass obtained from the harvest of pine and eucalyptus in four different storage times in the field. The evaluation of the pellets was carried out by analyzing the physicalmechanical and energetic properties: moisture content, bulk density, unit density, mechanical durability, fines content, proximate analysis, gross calorific value and net calorific value. The quality of the pellets has been compared to ISO 17225-2. Still, for pellets produced with harvest biomass, thermogravimetric analysis was performed. Pinus needles and eucalyptus leaves biomasses contributed to increase the mechanical durability and increase the net and gross calorific value of the pellets, but increased the ash content when mixed with a tip and branches. The pellets of branches, tip and the mixture between these two compartments of pine and eucalyptus showed the lowest values for ash content. Up to 180 days, maximum storage time for residual biomass in the evaluated field, there was no influence on the physical, mechanical and energetic properties of the pellets. Due to their properties, pellets of residual biomass from the pine and eucalyptus harvest can be indicated for industrial use.O potencial energético dos resíduos de colheita florestal permite serem utilizados como fonte de matéria-prima para a produção de pellets, pois são de baixo custo, de fontes sustentáveis e estão disponíveis o ano inteiro. No entanto, sua composição, que engloba diferentes compartimentos da árvore, e o tempo que podem ficar estocados no campo são fatores que podem afetar a qualidade dos pellets produzidos. Este estudo teve por base a tese de que o material residual da colheita florestal pode ser utilizado na produção de pellets, sendo os objetivos avaliar a influência da espécie, dos compartimentos da árvore e do tempo de estocagem na sua qualidade. Os pellets foram produzidos em uma prensa peletizadora laboratorial de matriz plana utilizando os três compartimentos (ponteira, galhos e acículas/folhas) de pinus e de eucalipto, puros e em diferentes misturas, e utilizando a mistura da biomassa obtida da colheita de pinus e de eucalipto em quatro diferentes tempos de estocagem no campo. A avaliação dos pellets foi realizada por meio de análise das propriedades físico-mecânicas e energéticas: teor de umidade, densidade a granel, densidade unitária, durabilidade mecânica, teor de finos, análise química imediata, poder calorífico superior e poder calorífico inferior. A qualidade dos pellets foi comparada a Norma ISO 17225-2. Ainda, para os pellets produzidos com biomassa da colheita, foi realizada análise termogravimétrica. As biomassas de acícula de pinus e de folha de eucalipto contribuíram para o aumento da durabilidade mecânica e aumento do poder calorífico superior e inferior dos pellets, porém aumentaram o teor de cinzas quando misturados com ponteira e galhos. Os pellets de galhos, ponteira e a mistura entre esses dois compartimentos de pinus e de eucalipto apresentaram os menores valores para teor de cinzas. Até 180 dias, tempo máximo de estocagem da biomassa residual no campo avaliado, não houve influência nas propriedades físico-mecânicas e energéticas dos pellets. Em função de suas propriedades, os pellets da biomassa residual da colheita de pinus e de eucalipto podem ser indicados para uso industrial.Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2021-02-17T12:44:00Z No. of bitstreams: 1 Danielle de Moraes Lucio.pdf: 3466976 bytes, checksum: f2ad670feef5c91d7dbcf18dc102b75a (MD5)Made available in DSpace on 2021-02-17T12:44:00Z (GMT). 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dc.title.por.fl_str_mv |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
title |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
spellingShingle |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO Lúcio, Danielle de Moraes biocombustível energia renovável resíduos de colheita energia da biomassa biofuel renewable energy forest harvest biomass energy CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
title_short |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
title_full |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
title_fullStr |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
title_full_unstemmed |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
title_sort |
PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO |
author |
Lúcio, Danielle de Moraes |
author_facet |
Lúcio, Danielle de Moraes |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Hillig, Éverton |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/5240619272740210 |
dc.contributor.authorID.fl_str_mv |
092.835.684-19 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/9747346879366074 |
dc.contributor.author.fl_str_mv |
Lúcio, Danielle de Moraes |
contributor_str_mv |
Hillig, Éverton |
dc.subject.por.fl_str_mv |
biocombustível energia renovável resíduos de colheita energia da biomassa |
topic |
biocombustível energia renovável resíduos de colheita energia da biomassa biofuel renewable energy forest harvest biomass energy CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
dc.subject.eng.fl_str_mv |
biofuel renewable energy forest harvest biomass energy |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL RECURSOS FLORESTAIS E ENGENHARIA FLORESTAL::MANEJO FLORESTAL |
description |
The energy potential of forest harvest residues allows them to be used as a source of raw material for the production of pellets, as they are low-cost, from sustainable sources and are available all year round. However, its composition, which includes different compartments of the tree, and the time that can be stored in the field are factors that can affect the quality of the pellets produced. This study was based on the thesis that the residual material from the forest harvest can be used in the production of pellets, the objectives being to evaluate the influence of the species, the tree compartments and the storage time on its quality. The pellets were produced in a flat die laboratory pelletizing press using the three compartments (tip, branches and needles/leaves) of pine and eucalyptus, pure and in different mixtures, and using the mixture of biomass obtained from the harvest of pine and eucalyptus in four different storage times in the field. The evaluation of the pellets was carried out by analyzing the physicalmechanical and energetic properties: moisture content, bulk density, unit density, mechanical durability, fines content, proximate analysis, gross calorific value and net calorific value. The quality of the pellets has been compared to ISO 17225-2. Still, for pellets produced with harvest biomass, thermogravimetric analysis was performed. Pinus needles and eucalyptus leaves biomasses contributed to increase the mechanical durability and increase the net and gross calorific value of the pellets, but increased the ash content when mixed with a tip and branches. The pellets of branches, tip and the mixture between these two compartments of pine and eucalyptus showed the lowest values for ash content. Up to 180 days, maximum storage time for residual biomass in the evaluated field, there was no influence on the physical, mechanical and energetic properties of the pellets. Due to their properties, pellets of residual biomass from the pine and eucalyptus harvest can be indicated for industrial use. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-09-04 |
dc.date.accessioned.fl_str_mv |
2021-02-17T12:44:00Z |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
Lúcio, Danielle de Moraes. PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais - Doutorado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
dc.identifier.uri.fl_str_mv |
http://tede.unicentro.br:8080/jspui/handle/jspui/1313 |
identifier_str_mv |
Lúcio, Danielle de Moraes. PELLETS DE BIOMASSA RESIDUAL DA COLHEITA DE PINUS E EUCALIPTO. 2020. 102 f. Tese (Programa de Pós-Graduação em Ciências Florestais - Doutorado) - Universidade Estadual do Centro-Oeste, Irati-PR. |
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Universidade Estadual do Centro-Oeste |
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