Search Results - "de Freitas, Osmar Nunes"

MACROALGAE Fucus vesiculosus OIL: BIODIESEL PRODUCTION USING ALKALINE TRANSESTERIFICATION by Petry, Bruno, Rial, Rafael, Freitas, Osmar, Barbosa, Joyce, Cavalheiro, Leandro, Nazário, Carlos, Viana, Luíz

“…This work studied the obtaining of methyl biodiesel and ethyl biodiesel using alkaline transesterification from macroalgae Fucus vesiculosos oil (FVO). FVO has…”
Get full text

Evaluation of the oxidative and thermal stability of soybean methyl biodiesel with additions of dichloromethane extract ginger (Zingiber officinale Roscoe) by Rial, Rafael Cardoso, de Freitas, Osmar Nunes, Santos, Gemima dos, Nazário, Carlos Eduardo Domingues, Viana, Luíz Henrique

“…The objective of the present work was to evaluate the effect of the addition of dichloromethane extract obtained from Ginger rhizomes (Zingiber officinale…”
Get full text

Evaluation of the oxidative stability and cold filter plugging point of soybean methyl biodiesel/bovine tallow methyl biodiesel blends by de Freitas, Osmar Nunes, Cardoso Rial, Rafael, Fontoura Cavalheiro, Leandro, dos Santos Barbosa, Joyce Mara, Domingues Nazário, Carlos Eduardo, Viana, Luíz Henrique

“…•Characterize soybean oil and bovine tallow for biodiesel production.•To evaluate the physical - chemical properties of soybean methyl biodiesel (BOS) and…”
Get full text

Biodiesel production from cagaite seeds ( Eugenia dysenterica DC ) oil: An alternative for biofuel production by Rial, Rafael Cardoso, de Freitas, Osmar Nunes, da Silva Fonseca, Amanda Maria, Domingues, João Manuel Hernandes Dorce, de Souza, Maria Luiza Medeiros, de Almeida Silva, Yasmin Alves, Santos, Piter Hernanny Michalski, Melo, Luiz Felipe Dias, Nazário, Carlos Eduardo Domingues, Viana, Luiz Henrique

“…In the present work, cagaite ( Eugenia dysenterica DC.) seed oil was studied as a potential inedible raw material for biodiesel production. The oil was…”
Get full text

Isoflavones and flavonols from Andira humilis by Garcez, Walmir S., Garcez, Fernanda R., Tieppo, Caroline, Freitas, Osmar Nunes de, Hamerski, Lidilhone

“…[Display omitted]…”
Get full text

Biofuels obtained from the crambe (Crambe abyssinica) oil by Cavalheiro, Leandro Fontoura, Prado, Elisiane Rocha Lufan, de Freitas, Osmar Nunes, Nazário, Carlos Eduardo Domingues, Rial, Rafael Cardoso, Viana, Luíz Henrique

“…Among the biofuels, bio-oil and biodiesel stand out as more sustainable alternatives to fossil fuels, and non-edible oils are an interesting alternative…”
Get full text

Biodiesel from soybean oil using Porcine pancreas lipase immobilized on a new support: p-nitrobenzyl cellulose xanthate by Rial, Rafael Cardoso, de Freitas, Osmar Nunes, Nazário, Carlos Eduardo Domingues, Viana, Luíz Henrique

“…The objective of the present work was to obtain methyl biodiesel from soybean oil (BMS) using immobilized Porcine pancreas lipase (PPL) on the support of…”
Get full text

Evaluation of oxidative stability of soybean methyl biodiesel using extract of cagaite leaves (Eugenia dysenterica DC.) as additive by Rial, Rafael Cardoso, Merlo, Thais Cardoso, Michalski Santos, Piter Hernanny, Dias Melo, Luiz Felipe, Barbosa, Reginaldo Aparecido, de Freitas, Osmar Nunes, Domingues Nazário, Carlos Eduardo, Viana, Luíz Henrique

“…The objective of this work was to evaluate the effect of the addition of cagaita leaf ethanolic extract (EFC) on soybean methyl biodiesel samples and to…”
Get full text

Thermal cracking of fodder radish (Raphanus sativus L.) oil to use as biofuel by Cavalheiro, Leandro Fontoura, Rial, Rafael Cardoso, de Freitas, Osmar Nunes, Domingues Nazário, Carlos Eduardo, Viana, Luíz Henrique

“…•Fodder radish oil was subjected to thermal cracking at three temperatures, 400, 600 and 800 °C.•The bio oils obtained did not present aromatic compounds,…”
Get full text