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Listar por palabra clave "Activation energy"

Mostrando ítems 1-11 de 11

Brewer's spent grains as biofuels in combustion-based energy recovery processes: Evaluation of thermo-oxidative decomposition

Gil-Castell, O.; Mascia, N.; Primaz, C.; Vásqez-Garay, F.; Baschetti, M. G.; Ribes-Greus, A. (Elsevier, 2022-03-15)

[EN] The high global generation of wastes and side streams from agri-food production has led to environmental impact and causes nature degradation due to their uncontrolled management. These wastes are profitable materials ...
Effect of neutralization and cross-linking on the thermal degradation of chitosan electrospun membranes

Correia, D. M.; Gamiz Gonzalez, Mª Amparo; Botelho, G.; Vidaurre, Ana; Gómez Ribelles, José Luís; Lanceros-Mendez, S.; Sencadas, V. (Springer-Verlag, 2014-07)

[EN] Thermal degradation of as-electrospun chitosan membranes and samples subsequently treated with ethanol and cross-linked with glutaraldehyde has been studied by thermogravimetry (TG) coupled with an infrared ...
Effect of ultrasound on henna leaves drying and extraction of lawsone: Experimental and modeling study

Bennaceur, Said; Berreghioua, Abdelaziz; Bennamoun, Lyes; Mulet Pons, Antonio; Draoui, Belkacem; Abid, Mostafa; Carcel, Juan A. (MDPI AG, 2021-03)

[EN] The effect of drying temperature and the application of ultrasound on drying kinetics of Lawsonia inermis (henna) leaves and the extraction of lawsone from the dried samples was addressed. Indeed, henna leaves were ...
Estudio de la descomposición termo-oxidativa de los residuos de la producción de cerveza para su uso en procesos de valorización energética

Mascia, Nicola (Universitat Politècnica de València, 2021-09-01)

[ES] La acumulación de enormes cantidades de desechos alimentarios provoca cada año una gran degradación ambiental y, especialmente, una pérdida significativa de material valioso que de otro modo podría explotarse en otros ...
Influence of Temperature, Air Velocity, and Ultrasound Application on Drying Kinetics of Grape Seeds

Clemente Polo, Gabriela; Sanjuán Pellicer, María Nieves; Cárcel Carrión, Juan Andrés; Mulet Pons, Antonio (Taylor & Francis, 2014-01-02)

The objective of this work was to determine the influence of temperature, air velocity, and ultrasound application on the drying kinetics of grape seeds. The drying kinetics were determined at 1.0, 1.5, 2.0, and 3.0 m/s ...
Kinetic study of thermal degradation of chitosan as a function of deacetylation degree

Gamiz-Gonzalez, Mª Amparo; Correia, D.M.; Lanceros-Mendez, S.; Sencadas, V.; Gómez Ribelles, José Luís; Vidaurre, Ana (Elsevier, 2017-07-01)

[EN] Thermal degradation of chitosan with varying deacetylation degree (DD) ranging between 50 and 85% was analyzed by dynamic thermogravimetric analysis at different heating rates. The present study focused on the temperature ...
Polyvinyl alcohol nanofiber reinforced Nafion membranes for fuel cell applications

Mollá Romano, Sergio; Compañ Moreno, Vicente (Elsevier, 2011-04-15)

This work has been focused on the preparation and characterization of composite membranes with thickness between 19 and 97 mu m and containing Nafion(R) infiltrated into a porous mat obtained by electrospinning of an aqueous ...
Pressure effect on Deep Fat Frying of Apple Chips

Bravo, J.; Sanjuán Pellicer, María Nieves; Clemente Polo, Gabriela; Mulet Pons, Antonio (Taylor & Francis, 2011)

[EN] Predicting moisture loss is important when developing a model for vacuum frying, because one of its objectives is to remove food moisture. A diffusion model was considered to describe moisture transfer during vacuum ...
Study of the electrical properties of novel hybrid organic-inorganic conducting textiles of polypyrrole-phosphotungstate-polyester using electrochemical impedance spectroscopy

Bonastre Cano, José Antonio; Molina Puerto, Javier; Del Río García, Ana Isabel; Galván, J. C.; Cases Iborra, Francisco Javier (Elsevier, 2011-09)

The electrical properties of novel hybrid organic-inorganic conducting fabrics of polyester (PES) coated with polypyrrole-PW12O 403- (PPy-POM) have been tested for dry samples and specimens immersed in different pH solutions ...
Sub-nanometer Copper Clusters as Alternative Catalysts for the Selective Oxidation of Methane to Methanol with Molecular O2

Gallego-Rodríguez, Mario; Corma Canós, Avelino; Boronat Zaragoza, Mercedes (American Chemical Society, 2022-07-21)

[EN] The partial oxidation of methane to methanol with molecular O2 at mild reaction conditions is a challenging process, which is efficiently catalyzed in nature by enzymes. As an alternative to the extensively studied ...
Understanding the effect of the adatoms in the formic acid oxidation mechanism on Pt(111) electrodes

Ferre Vilaplana, Adolfo; Perales Rondón, Juan Víctor; Feliu, Juan M.; Herrero, Enrique (American Chemical Society, 2015-02)

The engineered search for new catalysts requires a deep knowledge about reaction mechanisms. Here, with the support of a combination of computational and experimental results, the oxidation mechanism of formic acid on ...