Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Leyvison Rafael Vieira da Conceição"'
Autor:
Matheus Arrais Gonçalves, Hiarla Cristina Lima dos Santos, Thaissa Saraiva Ribeiro, Alexandre da Cas Viegas, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 2, Pp 105521- (2024)
In the present study, a new magnetic acid solid catalyst composed of an agro-industrial waste (rice husk ash-RHA) magnetized with cobalt ferrite (CoFe2O4) and impregnated with MoO3 was synthesized and applied in the methyl transesterification reactio
Externí odkaz:
https://doaj.org/article/fef998e1d44d424cb01cfb70ad581fbb
Autor:
Mayara Priscila Lima dos Santos, Orquídea Vasconcelos dos Santos, Leyvison Rafael Vieira da Conceição, Barbara Elisabeth Teixeira-Costa, Lúcia de Fátima Henriques Lourenço, Consuelo Lucia Lima de Sousa
Publikováno v:
Foods, Vol 13, Iss 10, p 1475 (2024)
This study represents a pioneering investigation and comparative analysis of lipid extracts from four different colors of peach palm (Bactris gasipaes Kunt) fruits—red, yellow, green, and white—by employing a green method based on ethanolic ultra
Externí odkaz:
https://doaj.org/article/a924d9d578ea49afa00c5f4919d41202
Autor:
Ana Paula da Luz Corrêa, Paula Maria Melo da Silva, Matheus Arrais Gonçalves, Rafael Roberto Cardoso Bastos, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 8, Pp 104964- (2023)
The influence of pyrolysis temperature on the activity and catalytic stability of sulfonated biochar, from the agro-industrial residue murumuru kernel shell, was evaluated in the esterification reaction. Carbonaceous materials were synthesized by dir
Externí odkaz:
https://doaj.org/article/44fd0dd33a1846ca87ae6c48d3d450ba
Autor:
Thaissa Saraiva Ribeiro, Matheus Arrais Gonçalves, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição
Publikováno v:
Molecules, Vol 28, Iss 24, p 7980 (2023)
This study presents the synthesis of a basic heterogeneous catalyst based on sodium functionalized biochar. The murici biochar (BCAM) support used in the process was obtained through the pyrolysis of the murici seed (Byrsonimia crassifolia), followed
Externí odkaz:
https://doaj.org/article/b86e3c2364aa4a26905f1fdf85d23d04
Autor:
Stephanie Dias Soares, Orquídea Vasconcelos dos Santos, Leyvison Rafael Vieira da Conceição, Hilton Túlio Costi, José Otávio Carrera Silva Júnior, Francisco das Chagas Alves do Nascimento, Rosinelson da Silva Pena
Publikováno v:
Foods, Vol 12, Iss 23, p 4344 (2023)
This study aimed to subject the albino peach palm to cooking and drying processes and characterize the raw pulp (RP), cooked pulp (CP), raw pulp flour (RPF), and cooked pulp flour (CPF). The product’s chemical composition, bioactive compounds, and
Externí odkaz:
https://doaj.org/article/d0039a4dab81489a95c2d4107953d107
Autor:
Paula Maria Melo da Silva, Matheus Arrais Gonçalves, Ana Paula da Luz Corrêa, Patrícia Teresa Souza da Luz, José Roberto Zamian, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição
Publikováno v:
Renewable Energy. 211:126-139
Autor:
Hiarla Cristina Lima dos Santos, Matheus Arrais Gonçalves, Alexandre da Cas Viegas, Bruno Apolo Miranda Figueira, Patrícia Teresa Souza da Luz, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição
Publikováno v:
RSC advances. 12(53)
This study aims to synthesize a WO3/CuFe2O4 catalyst through a wet impregnation method and use it as a new magnetic acid catalyst in the transesterification process of waste cooking oil (WCO).
Autor:
Orquídea Vasconcelos dos Santos, Stephanie Dias Soares, Leyvison Rafael Vieira da Conceição, Barbara Elisabeth Teixeira-Costa, Pamela Cristina Sodré Dias
Publikováno v:
European Food Research and Technology. 247:1803-1813
A novel insect oil (SRO) from Speciomerus ruficornis Germar larvae was obtained by artisanal non-solvent extraction and its physicochemical properties were investigated. The SRO presented low levels of acidity and peroxides, which is an indication of
Autor:
Dayenne Alexsa Araujo de Souza, Leyvison Rafael Vieira da Conceição, Paula Maria Melo da Silva, Ana Paula da Luz Corrêa
Publikováno v:
Brazilian Journal of Development. 7:11782-11799
O biodiesel e utilizado como alternativa ao diesel de petroleo devido ser oriundo de fontes renovaveis como os oleos vegetais. No entanto, e comum os oleos vegetais apresentarem em suas composicoes triglicerideos formados por acidos graxos insaturado
Autor:
Ana Paula da Luz Corrêa, Rafael Roberto Cardoso Bastos, Geraldo Narciso da Rocha Filho, Leyvison Rafael Vieira da Conceição, José Roberto Zamian
Publikováno v:
RSC Advances. 10:20245-20256
In the present study, heterogeneous acid catalysts for fatty acid esterification reactions were synthesized using agro-industrial waste from murumuru kernel shells. The waste was carbonized and functionalized with concentrated sulfuric acid under dif