Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Mônica C. G. Albuquerque"'
Autor:
Islanya Aguiar Maciel, Jackson de Queiroz Malveira, Flávio A. F. da Ponte, Mônica C. G. Albuquerque, Jailson Silva Rodrigues
Publikováno v:
The Journal of Engineering and Exact Sciences. 3:418-435
Neste trabalho foi produzido bioquerosene pela reação de esterificação (utilizando o Amberlyst® 15 como catalisador heterogêneo) dos ácidos graxos livres de C6 a C16 átomos de carbono provenientes do óleo de babaçu (Orbignya speciosa) utili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::775cd8192e915c49085859c577fee948
https://doi.org/10.18540/jcecvl3iss3pp418-435
https://doi.org/10.18540/jcecvl3iss3pp418-435
Autor:
Mônica C. G. Albuquerque
Publikováno v:
Scientia Plena. 13
Os óleos vegetais apresentam diversas aplicações em processos industriais e por isto tem aumentado constantemente a demanda na utilização de óleos de baixa qualidade, principalmente na produção de biocombustível. O presente trabalho teve por
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::866bbaf94e68668cab6b1253626cf411
https://doi.org/10.14808/sci.plena.2017.085301
https://doi.org/10.14808/sci.plena.2017.085301
Autor:
Ana C. Alba-Rubio, M.L. Alonso Castillo, Rafael Mariscal, M. López Granados, Mônica C. G. Albuquerque, Célio L. Cavalcante
Publikováno v:
Fuel. 95:464-470
This article describes a new and efficient procedure for removing Ca2+ present in biodiesel prepared using CaO as a catalyst. Washing of CaO-derived biodiesel with a boiling methanol–Na2CO3 mixture followed by a further rinsing step with water resu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::775151548101f6e3f1e10f4a8feb7ae4
https://doi.org/10.1016/j.fuel.2011.12.024
https://doi.org/10.1016/j.fuel.2011.12.024
Autor:
Rosana Maria Alves Saboya, Davi C. Salmin, Denise S. Novaes, Mônica C. G. Albuquerque, Célio L. Cavalcante, Antonio S. Araujo, Solange A. Quintella
Publikováno v:
Renewable Energy. 38:136-140
Mesoporous silica catalyst was evaluated in the ethanolysis of soybean oil. Ethanol can be environmentally advantageous over methanol (more frequently used as reagent in biodiesel production) because it can be obtained from renewable sources whilst m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e48b03e662ab97ec977551a8ab71b3f5
https://doi.org/10.1016/j.renene.2011.07.011
https://doi.org/10.1016/j.renene.2011.07.011
Autor:
Célio L. Cavalcante, Estélio M. Rola, F. Murilo T. Luna, Breno S. Rocha, Mônica C. G. Albuquerque, Diana C. S. Azevedo
Publikováno v:
Industrial Crops and Products. 33:579-583
This study proposes to evaluate rapid methodologies to estimate oxidative stability and biodegradability for mineral, vegetable and synthetic oil samples, using quick and simple experiments. The synthetic oil sample was obtained from castor oil, so t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e90a359f9526ab2808e53b655cf57e8d
https://doi.org/10.1016/j.indcrop.2010.12.012
https://doi.org/10.1016/j.indcrop.2010.12.012
Autor:
Célio L. Cavalcante, Carolina B. Veloso, Marcelo L. Rodrigues, Hosiberto B. de Sant’Ana, Filipe Xavier Feitosa, Mônica C. G. Albuquerque
Publikováno v:
Journal of Chemical & Engineering Data. 55:3909-3914
Viscosity η and density ρ of binary mixtures of coconut + colza and coconut + soybean biodiesel have been measured over the whole composition range at T = (293.15, 313.15, 333.15, 353.15, and 373.15) K and at atmospheric pressure. Densities and vis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2380c6a6ff37195f79ddf29a42ebdb61
https://doi.org/10.1021/je901060j
https://doi.org/10.1021/je901060j
Autor:
José Santamaría-González, Josefa Mérida-Robles, Antonio Jiménez-López, Sebastian Bruque-Gamez, Ramón Moreno-Tost, María José Campos-Molina, Pedro Maireles-Torres, Mônica C. G. Albuquerque, Enrique Rodríguez-Castellón
Publikováno v:
Energy & Fuels. 24:979-984
This work investigates the use of a layered Ca−Al double hydroxide (hydrocalumite) as precursor, after its thermal activation, of base catalysts for the methanolysis of sunflower oil. Above 750 °C, hydrocalumite is transformed into a mixture of Ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::412b45e63581f48a2fc5d8894910ccb9
https://doi.org/10.1021/ef9009394
https://doi.org/10.1021/ef9009394
Autor:
Diana C. S. Azevedo, Célio L. Cavalcante, Antonio Jiménez-López, Pedro Maireles-Torres, Enrique Rodríguez-Castellón, Ramón Moreno-Tost, Mônica C. G. Albuquerque, José Santamaría-González, Josefa Mérida-Robles
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 300:19-24
A series of mixtures of MgO/CaO with different Mg/Ca molar ratios (between 3 and 15), as well as the corresponding pure oxides, was prepared by the coprecipitation method in a basic medium and subsequent calcination. Their textural and structural cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fd426916001012c222bccd569809b02
https://doi.org/10.1016/j.molcata.2008.10.033
https://doi.org/10.1016/j.molcata.2008.10.033
Autor:
Ramón Moreno-Tost, Enrique Rodríguez-Castellón, Célio L. Cavalcante, Josefa Mérida-Robles, Diana C. S. Azevedo, Mônica C. G. Albuquerque, José Santamaría-González, Pedro Maireles-Torres, Antonio Jiménez-López
Publikováno v:
Applied Catalysis A: General. 347:162-168
This work investigates the use of MgAl and MgCa oxides as catalysts for transesterification processes, in order to evaluate their potential as heterogeneous catalysts for biodiesel production. The catalysts were characterized by XRD (X-ray diffractio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::940737a792a07befb3b5085952ef0406
https://doi.org/10.1016/j.apcata.2008.06.016
https://doi.org/10.1016/j.apcata.2008.06.016
Autor:
Pedro Maireles-Torres, Inmaculada Jiménez-Urbistondo, Josefa Mérida-Robles, Diana C. S. Azevedo, Célio L. Cavalcante, José Santamaría-González, Ramón Moreno-Tost, Antonio Jiménez-López, Mônica C. G. Albuquerque, Enrique Rodríguez-Castellón
Publikováno v:
Applied Catalysis A: General. 334:35-43
A new group of basic catalysts supported on mesoporous solids has been prepared with the aim of being used as heterogeneous catalysis in biodiesel production. These catalysts based on calcium oxide supported on porous silica (SBA-15, MCM-41 and fumed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eea073890190541e3a59b152bc9a139
https://doi.org/10.1016/j.apcata.2007.09.028
https://doi.org/10.1016/j.apcata.2007.09.028