Compaction of plant biomass for solid biofuels production

Authors

  • Thiago de Paula Protásio Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.
  • Isabel Cristina Nogueira Alves Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.
  • Paulo Fernando Trugilho Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.
  • Vinícius Oliveira Silva Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.
  • Ana Elisa Rodarte Baliza Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

DOI:

https://doi.org/10.4336/2011.pfb.31.68.273

Keywords:

Briquettes, Energetic density, Dimensional variation

Abstract

This research aimed to evaluate briquettes made from coffee husk, eucalyptus sawdust and maize harvesting residues, and the influence of post compaction interval on some properties of the briquettes. After oven drying of the biomass, the briquettes were produced in a laboratory briquetting machine at 120 ºC and 15 MPa. Bulk density and heating value of the fresh biomass were analyzed. After compaction, influence of time on moisture content, volumetric expansion an bulk density of the briquettes was analyzed. From the results, it was observed that milled coffee husk had the highest mean value of bulk density. There was no statistical difference for higher heating value among the biomass analyzed. The effect of pos compaction interval was significant on moisture content based on dry mass and bulk density for all briquettes produced. The briquettes produced from maize harvesting residues had high volumetric expansion. Considering tensile strength by diametric compression, coffee husk briquettes were more resistant. The results highlight the potential of energetic use of briquettes obtained by compaction of coffee husks.

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Author Biographies

Thiago de Paula Protásio, Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

Sou graduando em Engenharia Florestal pela Universidade Federal de Lavras. Tenho experiência na área de Recursos Florestais e Engenharia Florestal, com ênfase em Ciência e Tecnologia da Madeira e Energia da Biomassa.

Isabel Cristina Nogueira Alves, Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

Doutoranda em Ciência e Tecnologia da Madeira, Universidade Federal de Lavras.

Paulo Fernando Trugilho, Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

Professor Associado II do Departamento de Ciências Florestais, Universidade Federal de Lavras, Setor de Ciência e Tecnologia da Madeira.

Vinícius Oliveira Silva, Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

Graduando em Engenharia Ambiental, Universidade Federal de Lavras.

Ana Elisa Rodarte Baliza, Universidade Federal de Lavras (UFLA), Departamento de Ciências Florestais.

Graduanda em Engenharia Florestal, Universidade Federal de Lavras, Departamento de Ciências Florestais, setor de Ciência e Tecnologia da Madeira.

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Published

2011-06-17

How to Cite

PROTÁSIO, Thiago de Paula; ALVES, Isabel Cristina Nogueira; TRUGILHO, Paulo Fernando; SILVA, Vinícius Oliveira; BALIZA, Ana Elisa Rodarte. Compaction of plant biomass for solid biofuels production. Pesquisa Florestal Brasileira, [S. l.], v. 31, n. 68, p. 273, 2011. DOI: 10.4336/2011.pfb.31.68.273. Disponível em: https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/288. Acesso em: 10 may. 2024.

Issue

Vol. 31 No. 68 (2011): out./dez., Florestas Energéticas

Section

Articles

License

Copyright (c) 2011 Thiago de Paula Protásio, Isabel Cristina Nogueira Alves, Paulo Fernando Trugilho, Vinícius Oliveira Silva, Ana Elisa Rodarte Baliza

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The BRAZILIAN JOURNAL OF FORESTRY RESEARCH reserves the right to correct grammar, improve clarity, and impose PFB standard although respecting the author's style.

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The authors are the exclusive responsible for opinions and concepts developed in the manuscript.

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