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Listar por palabra clave "Separation"

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Análisis de la separación por pervaporación de los productos primarios del caldo de fermentación

Blanco Sanmartín, Claudia (Universitat Politècnica de València, 2021-02-03)

[ES] La pervaporación es una técnica de separación con membranas que ha demostrado ser competitiva en varios procesos industriales ante las técnicas de separación convencionales, como la destilación, debido a su menor ...
Análisis de riesgos para el establecimiento de una separación para UAS

Nidáguila Cerdá, Isabel (Universitat Politècnica de València, 2021-07-29)

[ES] En el presente proyecto se establece el valor de una separación que permita el vuelo seguro de aeronaves no tripuladas (UAV). En primer lugar, se establecen los objetivos del proyecto, la metodología a seguir y su ...
Automatic speech recognition in cocktail-party situations : a specific training for separated speech

Martí Guerola, Amparo; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2012-02)

Automatic speech recognition (ASR) refers to the task of extracting a transcription of the linguistic content of an acoustical speech signal automatically. Despite several decades of research in this important area of ...
Comparison of different ultrafiltration membranes as first step for the recovery of phenolic compounds from olive-oil washing wastewater

Cifuentes-Cabezas, Magdalena Soledad; Carbonell Alcaina, Carlos; Vincent Vela, Maria Cinta; Mendoza Roca, José Antonio; Alvarez Blanco, Silvia (Elsevier, 2021-03)

[EN] The production of olive oil generates wastewater with a high organic load and toxicity due to the high concentration of phenolic compounds. In recent years, the study on the treatments of these waters has been intensified ...
Di-uniform texture spaces

Ozcag, Selma; Brown, Lawrence M. (Universitat Politècnica de València, 2003-04-01)

[EN] Textures were introduced by the second author as a point-based setting for the study of fuzzy sets, and have since proved to be an appropriate framework for the development of complement-free mathematical concepts. ...
Dual-phase membrane based on LaCo0.2Ni0.4Fe0.4O3-x-Ce0.8Gd0.2O2-x composition for oxygen permeation under CO2/SO2-rich gas environments

García-Fayos, Julio; Balaguer Ramirez, Maria; Baunmann, Stefan; Serra Alfaro, José Manuel (Elsevier, 2018)

[EN] A dual-phase material with high ambipolar conductivity composed by the perovskite LaCo0.2Ni0.4Fe0.4O3-delta (LCNF) as the electronic phase and the fluorite Ce0.8Gd0.2O2-delta (CGO20) as oxide-ion conductor is proposed ...
Effect of the operating conditions on a nanofiltration process to separate low-molecular-weight phenolic compounds from the sugars present in olive mill wastewaters

Sánchez-Arévalo, Carmen María; Jimeno-Jiménez, Álvaro; Carbonell Alcaina, Carlos; Vincent Vela, Maria Cinta; Alvarez Blanco, Silvia (Elsevier, 2021-04)

[EN] The efficiency of nanofiltration to purify the tyrosol present in the olive mill wastewaters (OMWWs) has been studied. The similar molecular weight of tyrosol and the sucrose existing in this kind of by-products ...
Efficient production and separation of biodegradable surfactants from cellulose in 1-butyl-3-methylimidazolium chloride

Puga, Alberto V.; Corma Canós, Avelino (Wiley-VCH Verlag, 2014-12)

[EN] Alkyl glycoside biodegradable surfactants were produced from cellulose and 1-octanol or 1-dodecanol in a one-pot, two-step (hydrolysis-glycosidation) process in 1-butyl-3-methylimidazolium chloride. Both surfactant ...
Elemental Composition of Natural Nanoparticles and Fine Colloids in European Forest Stream Waters and Their Role as Phosphorus Carriers

Gottselig, N.; Amelung, W.; Kirchner, J.W.; Bol, R.; Eugster, W.; Granger, S.J.; Hernández Crespo, Carmen; Herrmann, F.; Keizer, J.J.; Korkiakoski, M.; Laudon, H.; Lehner, I.; Löfgren, S.; Lohila, A.; Macleod, C.J.A. (John Wiley & Sons, 2017-10)

[EN] Biogeochemical cycling of elements largely occurs in dissolved state, but many elements may also be bound to natural nanoparticles (NNP, 1-100 nm) and fine colloids (100-450 nm). We examined the hypothesis that the ...
Estudio de las diferentes técnicas de separación durante el proceso de reciclado de plásticos

Meneses Quelal, Washington Orlando (Universitat Politècnica de València, 2019-09-11)

[ES] Hoy en día, la industria y los hogares generan más y más desechos de polímeros. El reciclaje es un proceso importante para reducir la cantidad de desechos que resultan de las actividades humanas. En la actualidad, las ...
Evolution of chemical composition and gas emissions from aged pig slurry during outdoor storage with and without prior solid separation

Moset, V.; Cambra López, María; Estellés, F.; Torres Salvador, Antonio Germán; Cerisuelo, Alba (Elsevier, 2012-01)

Chemical composition and gas emissions from two types of pig slurry were evaluated: the liquid fraction of mechanical solid-liquid separated slurry (SS), and raw slurry (RS). The slurry was obtained at the end of a pig ...
Extensions of closure spaces

Deses, D.; de Groot-Van der Voorde, A.; Lowen-Colebunders, E. (Universitat Politècnica de València, 2003-10-01)

[EN] A closure space X is a set endowed with a closure operator P(X) → P(X), satisfying the usual topological axioms, except finite additivity. A T1 closure extension Y of a closure space X induces a structure ϒ on X ...
Improvement of transport properties and hydrogen permeation of chemically-stable proton conducting oxides bases on the system BaZr1-x-yYxMyO3-δ

Escolástico Rozalén, Sonia; Ivanova, Mariya; Solis Díaz, Cecilia; Roitsch, Stefan; Meulenberg, Wilhem Albert; Serra Alfaro, José Manuel (Royal Society of Chemistry, 2012)

[EN] The structural and transport properties as well as the chemical stability of a series of proton-conducting oxides based on yttrium-doped barium zirconate were investigated. Specifically, Pr-, Fe- and Mn-doped ...
Lab scale centrifugation

Seguí Gil, Lucía (Universitat Politècnica de València, 2022-08-02)

Centrifugation is introduced as a separation technique commonly used in laboratory practice, with preparative or analytical purposes. Then, centrifugation equipment and required components commonly used at lab scale will ...
Mixture Separations with Zeolites: Molecular View on Adsorptive Processes

Misturini, Alechania (Universitat Politècnica de València, 2023-01-23)

[ES] Los métodos de química computacional se han empleado en el estudio de materiales de zeolita aplicados a procesos de separación. Se consideró un enfoque clásico, donde los campos de fuerza se seleccionaron durante los ...
Porous Solids for Adsorption and Separation of Gas and Vapor Mixtures

Pérez Botella, Eduardo (Universitat Politècnica de València, 2022-11-22)

[ES] En esta tesis se han estudiado las propiedades de diferentes adsorbentes zeolíticos y su uso en separaciones de mezclas fluidas de interés industrial. La selección de los materiales se ha realizado poniendo especial ...
Recent Advances in Molecularly Imprinted Membranes for Sample Treatment and Separation

Torres-Cartas, Sagrario; Catalá-Icardo, Mónica; Meseguer-Lloret, S.; Simó-Alfonso, Ernesto F.; Herrero-Martínez, José Manuel (MDPI, 2020-12)

[EN] This review describes the recent advances from the past five years concerning the development and applications of molecularly imprinted membranes (MIMs) in the field of sample treatment and separation processes. After ...
Reciclado físico de polímeros multicapa mediante la técnica disolución-precipitación

Romero Salicio, Elena (Universitat Politècnica de València, 2023-07-28)

[ES] En la actualidad, debido al gran uso de los polímeros, existe una gran dificultad para reciclarlos y darle una nueva vida. Uno de los aspectos mas tediosos es la separación de mezclas de polímeros, sobre todo los ...
Separation of biobutanol from synthetic fermentation mixtures using unidirectional small pore pure silica zeolites

Pérez-Botella, Eduardo; Claessens, Benjamin; Valencia Valencia, Susana; Rey Garcia, Fernando; Denayer, Joeri F.M. (Elsevier, 2022-12)

[EN] The adsorptive vapour phase separation of 1-butanol from a synthetic ABE (acetone, 1-butanol, ethanol) mixture has been studied for the first time on a set of unidirectional small pore pure silica zeolites with ITW, ...
Simulación de funcionamiento máquina de separación gravitatoria: ''La máquina estriada bibrante de concentración''

Valls Moreda, Marcelo (Universitat Politècnica de València, 2015-01-15)

[ES] En este trabajo de final de grado lo que se pretende es, siguiendo las indicaciones de un privilegio presentado en el siglo XIX, construir virtualmente una máquina de minería diseñada para la separación de minerales ...