BIODIESEL PRODUCTION BY ETHYLIC AND METHYLIC ROUTE BASED ON FACTORIAL DESIGN

Main Article Content

Laurênio Ferreira Lopes
Flávio Castro da Silva
Rita Colman Simões
Leandro Vahia Pontual
Luan Alves de Souza
Leomário Guedes do Nascimento
Carlos Michel dos Anjos dos Santos

Resumo

 The analysis carried out in this research had as objective the development
of a process for the bench-scale production of biodiesel. The reaction was
produced by the alkaline transesterification method, in which the reagents
were subjected to a temperature of 60 ± 2°C, maintaining constant mechanical
agitation. From a factorial experimental design, we evaluated the maximum
and minimum levels of three variables: catalyst, molar ratio, and reaction
time, combining their effects without altering the response quality, verifying
the yields, and interpreting the possible variations based on statistical
treatments to justify which one has the best performance. As the main
point, two alcohols were used, one imported (methanol) that underwent a
high-quality process, and another with a large national production capacity
(ethanol). The research emerges as a way to reinforce the statement that
biodiesel is one of the solutions to mitigate environmental impacts and
socioeconomically contribute to the country. However, the production cost is higher than that of diesel derived from petroleum; thus, ensuring the best process conditions will decrease the
operational costs and the costs for the end consumer. The variable with the most influence was the amount of catalyst for the synthesis of ethyl and methyl biodiesel. However, the yields for the B2 and B8 tests did not show a significant difference at the 5% level according to the Tukey test, and the highest yield was achieved by the B7 test (97.44%), using methanol at a 1:9 molar ratio and 0.5% catalyst in 90 minutes of reaction. After the research to determine the best process conditions to promote the production and use of biofuel, we concluded that the methyl route led to more satisfactory results and higher yields.

Article Details

Como Citar
Lopes, L., da Silva, F., Simões, R., Pontual, L., de Souza, L., do Nascimento, L., & dos Santos, C. M. (2020). BIODIESEL PRODUCTION BY ETHYLIC AND METHYLIC ROUTE BASED ON FACTORIAL DESIGN. Revista Brasileira De Ciências Ambientais (Online), 55(2), 226-241. https://doi.org/10.5327/Z2176-947820200600
Seção
Artigos
Biografia do Autor

Laurênio Ferreira Lopes, Universidade Federal Fluminense

Mestrando no Programa de Pós‑Graduação em Engenharia de Biossistemas (PGEB), Universidade Federal Fluminense - Niterói (RJ), Brasil.

 

Flávio Castro da Silva, Universidade Federal Fluminense

Professor Doutor de Engenharia Agrícola da Universidade Federal Fluminense - Niterói (RJ), Brasil.

 

 

 

Rita Colman Simões, Universidade Federal Fluminense

Professora Doutora em Engenharia Química da Universidade Federal Fluminense - Niterói (RJ), Brasil.

 

Leandro Vahia Pontual, Universidade Federal Fluminense

Doutorando no Programa de Pós Graduação em Engenharia Civil na Universidade Federal Fluminense - Niterói (RJ), Brasil.  

Luan Alves de Souza, Universidade Federal Fluminense

Mestrando no Programa de Pós‑Graduação em Engenharia de Biossistemas (PGEB), Universidade Federal Fluminense - Niterói (RJ), Brasil.

Leomário Guedes do Nascimento, Centro Universitário Anhanguera de Niterói

Graduando do curso de Engenharia Química no Centro Universitário Anhanguera de Niterói - Niterói (RJ), Brasil.

 

Carlos Michel dos Anjos dos Santos, Centro Universitário Anhanguera de Niterói

Graduado em Engenharia Mecânica no Centro Universitário Anhanguera de Niterói - Niterói (RJ), Brasil.