Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Joana M. Lopes"'
Publikováno v:
RSC Advances. 10:16050-16060
Deconstruction of lignocellulosic biomass with low-cost ionic liquids (ILs) has proven to be a promising technology that could be implemented in a biorefinery to obtain renewable materials, fuels and chemicals. This study investigates the pretreatmen
Autor:
María José Cocero, Ángel Martín, José Juan Segovia Puras, M. Dolores Bermejo, Joana M. Lopes, Eduardo Pérez
Publikováno v:
The Journal of Supercritical Fluids. 141:97-103
New experiments of cellulose acetylation were performed using the ionic liquid 1-allyl-3-methylimidazolium chloride ([Amim]Cl) as a solvent, at temperatures of 80, 60 and 40 °C. An attempt is done to improve the performance of the reaction by pressu
Publikováno v:
ChemEngineering, Vol 1, Iss 2, p 10 (2017)
Producción Científica
The most frequent polymer on nature is cellulose that is present together with lignin and hemicellulose in vegetal biomass. Cellulose can be, in the future, sustainable raw matter for chemicals, fuels, and materials. Neve
The most frequent polymer on nature is cellulose that is present together with lignin and hemicellulose in vegetal biomass. Cellulose can be, in the future, sustainable raw matter for chemicals, fuels, and materials. Neve
Autor:
María José Cocero, Ángel Martín, Željko Knez, Zoran Novak, M.D. Bermejo, Milica Pantić, Joana M. Lopes, Ana Najwa Mustapa
Publikováno v:
UVaDOC. Repositorio Documental de la Universidad de Valladolid
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Producción Científica
The use of natural polysaccharides is especially attractive to the pharmaceutical industry because of their stability, availability, renewability and low toxicity. In this study, cellulose aerogels obtained from cellulose
The use of natural polysaccharides is especially attractive to the pharmaceutical industry because of their stability, availability, renewability and low toxicity. In this study, cellulose aerogels obtained from cellulose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::185676f4e542c662686847854288fe65
https://doi.org/10.1016/j.supflu.2017.07.018
https://doi.org/10.1016/j.supflu.2017.07.018
Autor:
Zoran P. Visak, Manuel Nunes da Ponte, Ana V.M. Nunes, Joana M. Lopes, Vesna Najdanovic-Visak
Publikováno v:
Industrial & Engineering Chemistry Research. 53:9883-9888
In this work, the performance of inorganic salt sodium chloride and ionic liquid (molten salt) ECOENG212 as salting-out media for the separation of nicotine from its aqueous solutions was examined. In this respect, liquid–liquid equilibria of the t
Autor:
Nuno Lourenço, Ana B. Paninho, Marta F. Môlho, Joana M. Lopes, Angelo Rocha, Ana V.M. Nunes, Vesna Najdanovic-Visak
Publikováno v:
The Journal of Chemical Thermodynamics. 67:99-105
In this work, we report data on solubility of choline chloride and choline acetate in short-chain linear alcohols (ethanol, 1-propanol and 1-butanol) at various temperatures. Furthermore, we synthesize two choline derivatives: hydrogen choline chlori
Autor:
Ana B. Paninho, Vesna Najdanovic-Visak, Ana V.M. Nunes, Joana M. Lopes, Małgorzata E. Zakrzewska, Marta F. Môlho, Andreia A. Rosatella, Carlos A. M. Afonso
Publikováno v:
The Journal of Chemical Thermodynamics. 63:123-127
Tri(1-ethyl-3-methylimidazolium) gadolinium hexachloride ([emim]3[GdCl6]), tri(1-butyl-3-methylimidazolium) hexagadolinium chloride ([bmim]3[GdCl6]), di(tetramethylammonium) manganese tetrachloride ([TMA]2[MnCl4]) and cholinium tetrachloroferrate ([C
Autor:
S. Belén Rodríguez Reartes, M. Dolores Bermejo, Joana M. Lopes, Angel G. Martin, M. José Cocero, Francisco Adrián Sánchez
Publikováno v:
UVaDOC. Repositorio Documental de la Universidad de Valladolid
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Producción Científica
Ionic liquids of the alkylmethylimidazolium chloride family are able to solubilize high amount of cellulose and other natural polymers and have very good characteristics for their processing. Nevertheless, they present im
Ionic liquids of the alkylmethylimidazolium chloride family are able to solubilize high amount of cellulose and other natural polymers and have very good characteristics for their processing. Nevertheless, they present im
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::414af5f20e343614433ec8502e2d45c4
https://doi.org/10.1016/j.supflu.2015.07.021
https://doi.org/10.1016/j.supflu.2015.07.021
Autor:
Eckhard Weidner, Mª Dolores Bermejo, M.J. Cocero, Joana M. Lopes, Sabine Kareth, Ángel Martín
Publikováno v:
UVaDOC. Repositorio Documental de la Universidad de Valladolid
instname
instname
Producción Científica
The effect of viscosity reduction caused by the solubilization of CO2 is studied in order to improve the biomass processing in ionic liquids. To do so, densities and viscosities of the pure ionic liquid 1-allyl-3-methylim
The effect of viscosity reduction caused by the solubilization of CO2 is studied in order to improve the biomass processing in ionic liquids. To do so, densities and viscosities of the pure ionic liquid 1-allyl-3-methylim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf7693800dafbbdf7464015149f8a07f
https://doi.org/10.1016/j.supflu.2015.12.013
https://doi.org/10.1016/j.supflu.2015.12.013
Publikováno v:
Green Chemistry. 13:2013