Technical and Economic Analysis of the Implementation of a Self-Sustainable Briquetting Process for Electric Generation

Rosa Martins, Haylemar de Nazaret Cardenas-Rodriguez, Levy Ely Lacerda Oliveira, Erik Leandro Bonaldi, Frederico de Oliveira Assuncao, Germano Lambert-Torres, Helcio Francisco Villa-Nova, Wilson Cesar Sant’Ana, Luiz Eduardo Borges-da-Silva, Clodoaldo Barboza Bomfin, Jamil Haddad and Afonso Henriques Moreira Santos
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Rosa Martins: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Haylemar de Nazaret Cardenas-Rodriguez: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Levy Ely Lacerda Oliveira: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Erik Leandro Bonaldi: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Frederico de Oliveira Assuncao: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Germano Lambert-Torres: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Helcio Francisco Villa-Nova: Pro-Reitoria de Pesquisa e Pos-Graduacao (PRPPG), Itajuba Federal University, Itajuba 37500-903, MG, Brazil
Wilson Cesar Sant’Ana: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Luiz Eduardo Borges-da-Silva: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Clodoaldo Barboza Bomfin: Guaçu Geração de Energia S.A., Aripuanã 78325-000, MT, Brazil
Jamil Haddad: Gnarus Institute, Itajuba 37500-052, MG, Brazil
Afonso Henriques Moreira Santos: Gnarus Institute, Itajuba 37500-052, MG, Brazil

Energies, 2022, vol. 15, issue 6, 1-14

Abstract: The wood industry is an essential part of the economy of some regions in Brazil. Although the excess of wood residue is an environmental concern, it is also an alternative source for electricity generation. This allows for compliance with current legislation to minimize environmental impacts such as strategies to control the emission of pollutants and the decarbonization in the wood exploration activity. Despite this, the thermoelectric plants based on wood residues face problems associated with the low efficiency in generation due to the high moisture content of the residues, and challenges related to transport and storage. In this sense, this work is to evaluate the application of a self-sustainable briquetting plant as an alternative for solving the problems associated with the high moisture content, transport, and storage of wood residues. The aspects related to the construction of the briquetting plant and economic indicators associated with the economic feasibility, such as, the estimation of the net present value over the project lifecycle, internal rate of return and pay-back period, are also presented and discussed. The results demonstrated the feasibility of the plant mainly due to the better energy/volume ratio of the briquette (drying and compaction) and the transportation cost savings associated to the density of the compacted material.

Keywords: briquettes; economic feasibility; wood residues (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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