Use of stoichiometric calculation to evaluate the production of biogas obtained from coffee wastewater

Authors

  • Eveline Oliveira Malaquias Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo.
  • Antônio Augusto Martins Pereira Junior Instituto Militar de Engenharia, IME, Brasil.
  • Pedro Henrique Poubel Mendonça da Silveira Instituto Militar de Engenharia, IME, Brasil.
  • Leandra Altoé Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo. https://orcid.org/0000-0002-4456-6888
  • Cláudia Rodrigues Teles Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo.

DOI:

https://doi.org/10.47456/bjpe.v7i2.34548

Keywords:

Renewable Energy Sources, Biomass, Biogas, Coffee growing, Agricultural waste

Abstract

Agribusiness stands out for its participation in the Brazilian economy and for the expressive generation of jobs and income. In this sector, coffee activity is of great importance, with Brazil being the world's largest producer and exporter of this grain. However, its cultivation generates a large amount of waste that, if not properly treated, can be highly harmful in causing impacts and imbalances to the environment. When the coffee is processed in a wet way, an effluent with a high organic content, called coffee wastewater (ARC), is generated. The objective was to study the potential of biogas production from ARC in a rural property in Minas Gerais. Samples treated with wet conditions, collected on a farm that produces Arabica coffee, were considered in Conselheiro Pena - Minas Gerais. The samples were subjected to physical-chemical analysis and then the production of methane, which makes up the biogas, was evaluated by stoichiometric calculation. It was found that the amount of methane generated was not sufficient to justify the energy use of ARC for the studied rural property. An alternative would be the co-digestion to increase the organic load and, consequently, the potential for energy generation

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Author Biographies

Eveline Oliveira Malaquias, Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo.

Graduating in Production Engineering at the Federal University of Espirito Santo. Intern at Dersalis Brasil Tecnologia e Inovações em Saúde Ltda, working in the Financial and Corporate Governance area. Egress in the Tutorial Education Program - PET ProdBio, under the coordination of Prof. Marielce de Cássia Ribeiro Tosta.

Antônio Augusto Martins Pereira Junior, Instituto Militar de Engenharia, IME, Brasil.

Master's student in Material Sciences at the Instituto Militar de Engenharia (IME). He holds a degree in Petroleum Engineering from the Federal University of Espirito Santo and additional training in Mechanical and Energy Engineering from the École nationale supérieure d'ingénieurs en informatique, automatique, mécanique, énergétique et électronique (ENSIAME) of the Université de Valenciennes, France. He holds a high school diploma in Buildings from the Federal Center for Technological Education of Minas Gerais - CEFET/MG. During the academic period, he participated in research, extension and entrepreneurship projects, among which: Energy Junior, Shell Iniciativa Jovem Program (Edital Energia 2018) and Ecology Award 2015. He has experience in the area of ​​nuclear equipment manufacturing with emphasis on steam generators (EDF, France); Maintenance and implementation of industrial enterprises (Vallourec & Mannesmann Tubes do Brasil); Sustainable constructions with emphasis on bio roofing and social technologies for areas of vulnerability (CEFET-MG). In addition, he has a course in constructive techniques at Lycée Martin Nadaud-Saint Pierre des Corps, France.

Pedro Henrique Poubel Mendonça da Silveira, Instituto Militar de Engenharia, IME, Brasil.

Master in Materials Science from Instituto Militar de Engenharia (2020), Bachelor in Mechanical Engineering from Centro Universitário Anhanguera de Niterói (2017). Currently pursuing a Doctorate in Materials Science at the Instituto Militar de Engenharia, working in the field of ceramic materials research, with an emphasis on the processing and characterization of advanced alumina-based ceramic materials.

Leandra Altoé, Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo.

He holds a degree in Agricultural and Environmental Engineering from the Federal University of Viçosa (2010), a master's degree in Agricultural Engineering from the Federal University of Viçosa (2012) and a PhD in Agricultural Engineering from the Federal University of Viçosa (2016), with a sandwich period and joint-ownership agreement with the Universidad de Valladolid - Spain (2016), for the doctoral program in Science and Ingeniería Agroalimentaria y de Biosistemas (2016). She is currently a Professor at the Department of Engineering and Technology at the Federal University of Espírito Santo, Campus São Mateus. She has experience in the areas of Solid Mechanics, Renewable Energies and Energy Efficiency.

Cláudia Rodrigues Teles, Universidade Federal do Espírito Santo, CEUNES - Centro Universitário Norte do Espírito Santo.

He holds a degree in Forest Engineering from UFLA-MG (1995), a Master's degree in Environmental Engineering (1999), a PhD in Electrical Engineering (2007), and a postdoctoral degree in Civil Engineering (2018) from UFES. Adjunct Professor of the Production Engineering Course at the Federal University of Espírito Santo (São Mateus-ES). She has experience in the areas of Materials Science and Pollution Control, working mainly on the following topics: Development of New Materials with the Use of Waste. Other topics of interest in research: Use of Biomass for Energy Generation, Product Life Cycle Analysis (LCA), Mathematical Modeling of Bioprocesses.

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Published

2021-05-03

How to Cite

Malaquias, E. O., Pereira Junior, A. A. M., Silveira, P. H. P. M. da, Altoé, L., & Teles, C. R. (2021). Use of stoichiometric calculation to evaluate the production of biogas obtained from coffee wastewater. Brazilian Journal of Production Engineering, 7(2), 48–58. https://doi.org/10.47456/bjpe.v7i2.34548

Issue

Vol. 7 No. 2 (2021): Número Regular (Abril - Junho)

Section

ENERGY

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