Armazenamento, estabilidade oxidativa e caracterização do biodiesel metílico de soja

Júnior, Adalício Uzêda Antunes; Silva, Adriano Sant’Ana; Carvalho, Maria W. N. C; Pereira, Kleberson Ricardo de Oliveira

doi:10.14808/sci.plena.2017.034201

“…Tabela 2 -Rendimento do biodiesel produzido por transesterificação direta Fonte: Autor 2020Os compostos formados pela oxidação dos ésteres presentes no biodiesel afetam diretamente a qualidade do produto (JAKERIA, FAZAL & HASEEB, 2014). A reatividade dos ésteres se concentra no grupo funcional carboxila e nas ligações π (ANTUNES JÚNIOR et al, 2017). A peroxidação ocorre em três etapas: iniciação, propagação e finalização (Figura 3).…”

Section: Resultsunclassified

Absorção De Água Em Argamassa Com Incorporação De Resíduo De Caulim

Nascimento¹,

Dias²,

Damaceno³

et al. 2021

Engenharias Tendências E Inovações (1a Edição)

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The objective of this study is to evaluate the perception of education professionals, before and after the application of theoretical and practical training based on active methodologies, on safety and prevention against fire and evacuation in disaster situations. The research method adopted is an action research, as it involves diagnosis, planning, action and evaluation to identify the perception of fire protection education professionals. The population consists of 29 education professionals and 75 students, aged between 4 and 5 years, from a private school in the city of Itabira-MG. The structured questionnaire technique is used for teachers and employees, applied before the project to measure the interviewees 'prior knowledge and after the project, to evaluate the effectiveness of the applied training, the teachers' perception of their and children's learning and the need for the topic to be an issue that the school community should constantly address as an important issue in the school calendar schedule. The results indicate that it is necessary to adopt safety training in schools and to keep this training constant. It is concluded that if teachers and school staff undergo regular training they will be able to act consciously, with students, in an emergency. That it is important to use scientific methods so that a broad and effective learning occurs and it is necessary to adopt the theme in the syllabus of schools.

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“…Os compostos formados pela oxidação dos ésteres presentes no biodiesel afetam diretamente a qualidade do produto (JAKERIA, FAZAL & HASEEB, 2014). A reatividade dos ésteres se concentra no grupo funcional carboxila e nas ligações π (ANTUNES JÚNIOR et al, 2017). A peroxidação ocorre em três etapas: iniciação, propagação e finalização (Figura 3).…”

Section: Resultsunclassified

Engenharias Tendências e Inovações (1a edição)

2021

0

View full text Add to dashboard Cite

The objective of this study is to evaluate the perception of education professionals, before and after the application of theoretical and practical training based on active methodologies, on safety and prevention against fire and evacuation in disaster situations. The research method adopted is an action research, as it involves diagnosis, planning, action and evaluation to identify the perception of fire protection education professionals. The population consists of 29 education professionals and 75 students, aged between 4 and 5 years, from a private school in the city of Itabira-MG. The structured questionnaire technique is used for teachers and employees, applied before the project to measure the interviewees 'prior knowledge and after the project, to evaluate the effectiveness of the applied training, the teachers' perception of their and children's learning and the need for the topic to be an issue that the school community should constantly address as an important issue in the school calendar schedule. The results indicate that it is necessary to adopt safety training in schools and to keep this training constant. It is concluded that if teachers and school staff undergo regular training they will be able to act consciously, with students, in an emergency. That it is important to use scientific methods so that a broad and effective learning occurs and it is necessary to adopt the theme in the syllabus of schools.

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Desempenho de motogerador com uso de biodiesel de óleo de amendoim

Zago,

Siqueira,

Boas

et al. 2024

Cuad. Ed. Desar.

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O objetivo do estudo foi analisar a queima do biodiesel no motogerador, partindo da sua produção a partir da extração do óleo de amendoim e produção de biodiesel via transesterificação. No estudo avaliou-se a queima de biodiesel de amendoim em um motor gerador utilizando duas cargas elétricas resistivas diferentes, a primeira de 1,5 kW e a segunda de 4,5 kW, e variando as misturas de biodiesel (A10: 10 % de biodiesel de amendoim + 90% de diesel mineral; A20: 20 % de biodiesel de amendoim + 80% de diesel mineral; A30: 30 % de biodiesel de amendoim + 70% de diesel mineral; A40: 40 % de biodiesel de amendoim + 60% de diesel mineral, mais o diesel puro: 100% diesel mineral. O biodiesel de amendoim foi obtido através do processo de transesterificação metílica do óleo de amendoim. O óleo foi obtido através do processo de prensagem a frio do amendoim in natura. O biodiesel de amendoim foi adequado para ser utilizado como combustível, não prejudicando a eficiência energética, nem o consumo de combustível.

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Armazenamento, estabilidade oxidativa e caracterização do biodiesel metílico de soja

Cited by 4 publications

References 17 publications

Absorção De Água Em Argamassa Com Incorporação De Resíduo De Caulim

Absorção De Água Em Argamassa Com Incorporação De Resíduo De Caulim

Engenharias Tendências e Inovações (1a edição)

Desempenho de motogerador com uso de biodiesel de óleo de amendoim

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