Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Dalmo Mandelli"'
Autor:
Thalita S. Galhardo, Anderson K. Ueno, Wagner A. Carvalho, Thais A. Costa-Silva, Marina M. Gonçalves, Mariana B. Abiuzi, Andre G. Tempone, João Henrique G. Lago, Dalmo Mandelli, Cedric Fischmeister, Christian Bruneau
Publikováno v:
Catalysts, Vol 13, Iss 7, p 1097 (2023)
Ruthenium-catalyzed cross metathesis using biseugenol (1) with electron-deficient olefins methyl (2a) and ethyl (2b) acrylates, acrylic acid (2c), acrylonitrile (2d), and methyl methacrylate (2e) derivatives have been conducted to afford respective d
Externí odkaz:
https://doaj.org/article/cbf0e6ef7d3043e9b0b3b57bfaa17c95
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
Both the catalytic production of 5-hydroxymethylfurfural (5-HMF) from carbohydrates and the use of a catalyst obtained from residues stand out for adding value to by-products and wastes. These processes contribute to the circular economy. In this wor
Externí odkaz:
https://doaj.org/article/4800652ab983478dac8c22add76726f5
Autor:
Michelle Mantovani, Erik Moda Aguiar, Wagner Alves Carvalho, Dalmo Mandelli, Maraisa Gonçalves
Publikováno v:
Química Nova, Vol 38, Iss 4, Pp 526-532 (2015)
Environmentally friendly acid carbon (CG) catalysts, containing a high amount of sulfonated and oxygenated groups, were prepared from glycerin, a biodiesel waste. CGs were produced by glycerin carbonization in the presence of H2SO4 at 1:3 m:m ratio i
Externí odkaz:
https://doaj.org/article/cb006d93e7a04d9f9ff5b4b0bda93d1f
Autor:
Jorge H. Sepúlveda, Carlos R. Vera, Juan C. Yori, Juan M. Badano, Daniel Santarosa, Dalmo Mandelli
Publikováno v:
Química Nova, Vol 34, Iss 4, Pp 601-606 (2011)
In esterification of oleic acid with methanol at 25 °C HPA displayed the highest activity. Moreover the HPA could be reused after being transformed into its cesium salt. In the reaction of etherification of glycerol HPA and Amberlyst 35W showed simi
Externí odkaz:
https://doaj.org/article/c62ac1b748dd47249c8d4fdf13746f62
Autor:
Alexey N. Bilyachenko, Alexey I. Yalymov, Lidia S. Shul’pina, Dalmo Mandelli, Alexander A. Korlyukov, Anna V. Vologzhanina, Marina A. Es’kova, Elena S. Shubina, Mikhail M. Levitsky, Georgiy B. Shul’pin
Publikováno v:
Molecules, Vol 21, Iss 5, p 665 (2016)
New hexanuclear nickel(II) silsesquioxane [(PhSiO1.5)12(NiO)6(NaCl)] (1) was synthesized as its dioxane-benzonitrile-water complex (PhSiO1,5)12(NiO)6(NaCl)(C4H8O2)13(PhCN)2(H2O)2 and studied by X-ray and topological analysis. The compound exhibits cy
Externí odkaz:
https://doaj.org/article/a414c8d611f241c1a3d8890cf7c3e0e6
Autor:
Jorge Sepúlveda, Debora Manuale, Lucia Santiago, Nicolás Carrara, Gerardo Torres, Carlos Vera, Maraisa Goncalves, Wagner Carvalho, Dalmo Mandelli
Publikováno v:
Química Nova, Vol 40, Iss 4, Pp 371-377
The glycerol hydrogenolysis reaction was performed in a continuous flow trickle bed reactor using a water glycerol feed and both copper chromite and Cu/Al2O3 catalysts. The commercial copper chromite had a higher activity than the laboratory prepared
Externí odkaz:
https://doaj.org/article/9bc7bde7a49c4c78a6a9ce992fc0d693
Publikováno v:
Catalysis Today. :288-300
The green catalytic system (Al2O3/H2O2/ethyl acetate) used in the oxidation of (R)-limonene has many advantages since the reagents have low cost, it is toxicity-free (no heavy metals and no toxic solvents are utilized), and water is the only by-produ
Autor:
Dalmo Mandelli, Lidia S. Shul’pina, Yuriy N. Kozlov, Marcos Lopes de Araújo, Wagner Carvalho, Gilvan Aguiar Correia, Georgiy B. Shul'pin
Publikováno v:
Catalysis Today. 381:163-170
In the present paper we described the oxidation of 2-butanol as a representative of secondary aliphatic alcohols. The oxidizing system FeCl3-H2O2 was used. A kinetic study of the oxidation reaction has been carried out. Different substituted pyrazine
Autor:
Dalmo Mandelli, Paula Böhnstedt, Wagner Carvalho, Mauro C. Santos, Pol W. G. de Pape, Felipe M. Souza, Victor S. Pinheiro, Jenny S. Komatsu
Publikováno v:
Catalysis Today. 381:65-75
Activate carbon (AC) demand has increased worldwide, with application in adsorption, heterogeneous catalysis, and most recently as electrocatalyst support. However, while AC production from agro-industrial waste are widely researched, textile waste i
Autor:
Bruno Lemos Batista, Victor S. Pinheiro, Tuani C. Gentil, Dalmo Mandelli, Felipe M. Souza, Marcos Lopes de Araújo, Mauro C. Santos
Publikováno v:
Renewable Energy. 165:37-42
This work describes acetol as fuel for electrochemical oxidation in direct alkaline liquid fuel cells, in addition to electrochemical studies for acetol oxidation reactions (AOR) in alkaline medium, catalyzed by nanostructured palladium electrocataly