Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Maria Aparecida Ferreira César-Oliveira"'
Autor:
Vitor Vlnieska, Aline Silva Muniz, Angelo Roberto dos Santos Oliveira, Maria Aparecida Ferreira César-Oliveira, Danays Kunka
Publikováno v:
Polymers, Vol 14, Iss 1, p 210 (2022)
Biodiesel production from first-generation feedstock has shown a strong correlation with the increase in deforestation and the necessity of larger areas for land farming. Recent estimation from the European Federation for Transport and Environment ev
Externí odkaz:
https://doaj.org/article/6229133631374cb5bca927b4511e27cf
Autor:
Angelo Roberto Dos Santos Oliveira, Laís Pastre Dill, Claudiney Soares Cordeiro, Débora Merediane Kochepka, Maria Aparecida Ferreira César-Oliveira
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 131:829-844
In this study, the etherification of glycerol was executed with dodecanol through use of homogeneous catalysts. First, a univariate study of direct condensation was executed to determine the effects of the variables reaction time, catalyst type and g
Autor:
Fernanda Avelar Santos, Giovana Rebelo Diório, Carlos Conforti Ferreira Guedes, Gerson Fernandino, Paulo C.F. Giannini, Rodolfo José Angulo, Maria Cristina de Souza, Maria Aparecida Ferreira César-Oliveira, Angelo Roberto dos Santos Oliveira
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Continuous input of plastic litter in ocean and coastal environments achieved alarming levels that are exposing new settings in natural systems. While novel plastic debris pollution, with rock-like appearance, has been reported worldwide, fundamental
Autor:
Douglas Câmara de Oliveira, Martin Mittelbach, Angelo Roberto Dos Santos Oliveira, Aline Silva Muniz, Maria Aparecida Ferreira César-Oliveira, Mayara H. Inoue, Luiz Pereira Ramos
Publikováno v:
Energy & Fuels. 34:5907-5916
Biodiesel is a well-established biofuel that contains unsaturated and saturated fatty esters, and their contents influence oxidation stability and solidification properties, respectively. Also, the...
Autor:
Lilian R. Batista, Juliana Espada Lichston, Maríthiza G. Vieira, Nelson Roberto Antoniosi Filho, Aline Silva Muniz, Maria Aparecida Ferreira César-Oliveira, Angelo Roberto Dos Santos Oliveira
Publikováno v:
Journal of the Brazilian Chemical Society, Volume: 32, Issue: 1, Pages: 40-46, Published: 20 JAN 2021
Journal of the Brazilian Chemical Society v.32 n.1 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society v.32 n.1 2021
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Several published studies have evaluated the problems associated with the utilization of biodiesel obtained from safflower (Carthamus tinctorius L.) oil due to the low oxidative stability, caused by the high content of unsaturated fatty acids. Thus,
Autor:
Douglas Câmara de Oliveira, Angelo Roberto Dos Santos Oliveira, Maria Aparecida Ferreira César-Oliveira, Luiz Pereira Ramos, Aline Silva Muniz-Wypych
Publikováno v:
Macromolecular Symposia. 368:40-48
Summary Low molar mass homopolymers, synthesized through free radical polymerization of acrylic acid under solvent control were reported. The polymers were characterized by FTIR, NMR, TGA, and GPC. The behavior as pour point improvers in biodiesel an
Autor:
Maria Aparecida Ferreira César-Oliveira, Luiz Pereira Ramos, Aline Silva Muniz, Angelo Roberto Dos Santos Oliveira, Fernando Augusto Ferraz, Vitor Vlnieska
Publikováno v:
Macromolecular Symposia. 383:1800026
Autor:
Sigurd Schober, Mayara Magda Da Costa, Maria Aparecida Ferreira César-Oliveira, Philipp M. Neu, Martin Mittelbach, Luiz Pereira Ramos, Angelo Roberto Dos Santos Oliveira, Aline Silva Muniz-Wypych
Publikováno v:
European Journal of Lipid Science and Technology. 119:1700179
Phenolic antioxidants have limited solubility in biodiesel, so this research developed new antioxidants by addition of hydroquinone and catechol on unsaturated fatty acid esters, which improved significantly the oxidative stability of rapeseed biodie
Autor:
Maria Aparecida Ferreira César-Oliveira, Luiz Pereira Ramos, Rafael A. Soldi, Angelo Roberto Dos Santos Oliveira
Publikováno v:
Applied Catalysis A: General. 361:42-48
Sulfonated polystyrene compounds (SPS) were synthesized from linear polystyrene (PS), leading to catalytically active polymeric materials with sulfonation degrees between 5.0 and 6.2 mmol SO 3 H/g of dry polymer. Catalyst performance was evaluated in
Autor:
Angelo Roberto Dos Santos Oliveira, Ronilson Vasconcelos Barbosa, Maria Aparecida Ferreira César-Oliveira, Rafael A. Soldi
Publikováno v:
European Polymer Journal. 43:3671-3678
A variety of techniques have been employed in order to reduce problems caused by the crystallization of paraffin during the production and/or transportation of paraffin oils and derivatives. Methacrylate copolymers are known as additives which reduce