Listar IQ - Contribuciones a congresos científicos por fecha de publicación
Mostrando ítems 1-20 de 119
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Study of the behavior of an acid-enhanced electrokinetic remediation performed with a real soil spiked with lead
Nekrasova, Marina; Sidorenko, Sergey; Galkin, K.A.; Pisar, L.U.; García-Herruzo, Francisco
; Rodríguez-Maroto, José Miguel; Gómez-Lahoz, César; Vereda-Alonso, Carlos; Villén-Guzmán, María Dolores[et al.] (Northeastern University, 2013)
Since the 1980s decade there has been a sharp increase in the research for the development of new techniques for the remediation of contaminates sites, because one after another country realized that the economic budget ... -
Interpretation of the titration and solubility curves of a soil contaminated by heavy metals using freeware chemical equilibrium speciation software
Gómez-Lahoz, César; García-Herruzo, Francisco; García-Rubio, Ana; Paz-García, Juan Manuel; Villén-Guzmán, María Dolores (Northeastern University, 2013)
The buffer capacity of the soil is one of the most important parameters in assessing the feasibility of different remediation techniques of soils contaminated by heavy metals (washing, flushing, electroremediation, etc.). ... -
Lab scale study of the influence of the acid strength over the performance of an acid-enhanced electrokinetic remediation
Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; García-Delgado, Rafael Antonio; García-Herruzo, Francisco; Arhoun, Brahim; Rodríguez-Maroto, José Miguel[et al.] (Northeastern University, 2013)
It is widely accepted that, when an electrokinetic remediation (EKR) is performed for the cleanup of most toxic metals, an enhancement is needed. During the unenhanced EKR the reactions at the electrodes, probably water ... -
Assessing the feasibility of the EKR of soils contaminated by heavy metals by titration curves
Vereda-Alonso, Carlos; García-Delgado, Rafael Antonio; García-Rubio, Ana; Arhoun, Brahim; Paz-García, Juan Manuel; Villén-Guzmán, María Dolores[et al.] (Northeastern University, 2013)
The pH is one of the key parameters that determine heavy metal mobility and fate in soils and sediments. It is well known that the resistance of soil to a change in pH strongly affects the mobilization of heavy metals in ... -
Carbon materials as template for the preparation of mixed oxides with controlled morphology
Cabrera-Molina, Antonio; Valero-Romero, María José; Guerrero-Pérez, María Olga; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2013-06-18)
Bulk mixed oxide catalysts are widely used for many applications, such as catalysts for selective oxidation processes, electrocatalysts for fuel cells, gas sensors, and solid oxide electrolysers for the production of ... -
Methanol dehydration on carbon-based acid catalysts
Valero-Romero, María José; Calvo-Muñoz, Elisa Maria; Ruiz-Rosas, Ramiro Rafael; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (XXXIV Reunión Bienal de la Real Sociedad Española de Química, 2013-09-16)
Methanol dehydration to produce dimethyl ether (DME) is an interesting process for the chemical industry since DME is an important intermediate and a promising clean alternative fuel for diesel engines. Pure or modified ... -
Conversión catalítica de metanol sobre catalizadores ácidos de carbono
Valero-Romero, María José; Calvo-Muñoz, Elisa Maria; Ruiz-Rosas, Ramiro Rafael; Bedia García-Matamoros, Jorge; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-04)
En las últimas décadas, el estudio y desarrollo de carbones activos como catalizadores o soportes catalíticos se ha incrementado enormemente debido a las ventajas derivadas de su elevada capacidad adsorbente, inercia y ... -
Comportamiento electroquímico de carbones activados con presencia de grupos superficiales de fósforo
Gallardo-Fuentes, Aurora; Ruiz-Rosas, Ramiro Rafael; Berenguer-Betrián, Raúl; Morallón, Emilia; Cazorla-Amorós, Diego; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-05)
Debido a su elevada superficie específica y una combinación única de conductividad, estabilidad y gran versatilidad química-estructural, los carbones activados (CAs) se emplean como electrodos en diversas aplicaciones ... -
Generación de grupos superficiales oxigenados en carbones activados con H3PO4
Los carbones activados preparados mediante activación química de residuos lignocelulósicos con ácido fosfórico presentan, además de una elevada superficie específica, una química superficial muy particular debido a la ... -
Simulación de curvas de ruptura para la adsorción de paracetamol a partir de datos obtenidos en estudio termodinámico y cinético
García-Mateos, Francisco José; Ruiz-Rosas, Ramiro Rafael; Marqués, Mª Dolores; Cotoruelo-Mínguez, Luis Miguel; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2013-11-05)
Los productos farmacéuticos considerados, en algunos casos, como contaminantes emergentes, poseen, en general, una alta estabilidad química y térmica y además son biológicamente activos. Algunos de ellos han sido detectados ... -
Effect of NaHCO3 addition on the anaerobic co-digestion of fruit and vegetable waste and sewage sludge performance
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Paz-García, Juan Manuel; Rodríguez-Maroto, José Miguel[et al.] (2013-11-08)
Digestion of FVW residues with sewage sludge is feasible as long as the FVW to sludge ratio fed to the batch digester is not too large. The pH is the main variable determining the reactor performance and ... -
Anaerobic co-digestion of pear residues and sewage sludge using a CSTR digester. Influence of the feed procedure
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Paz-García, Juan Manuel; García-Herruzo, Francisco[et al.] (2013-11-08)
Anaerobic co-digestion of pear residues with sewage sludge is feasible. Important differences are obtained from the two feed regimes tested, with better results for the so-called continuous feed. The organic loading ... -
Effect of phosphorous groups on the stabilization and activation of low-cost lignin fibers prepared by electrospinning
The feasible wider use of carbon fibers in many of their current and potential applications demands a reduction of their manufacturing costs. In this sense, the use of lignin as an abundant, renewable and low-cost carbonaceous ... -
Electrochemical behavior of pt- a d pd-supported activated carbons with different functionalities
Gallardo-Fuentes, Aurora; Berenguer-Betrián, Raúl; Nishihara, Hirotomo; Kyotani, Takashi; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2014-07-28)
Due to their relatively low price, high surface area and versatile physic-chemical properties, conductive carbon materials are considered among the most promising supports of electroactive species and/or catalysts for ... -
Role of oxygen in the dehydration of methanol and ethanol on carbon-based acid catalysts
Valero-Romero, María José; Calvo-Muñoz, Elisa Maria; Rodrigues-Gómes, Marilucía; Serrano-Pérez de Gracia, Marta; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás[et al.] (2014-07-28)
Activated carbons are receiving great attention in the last decades as catalysts and catalyst supports due to some advantages, such as, their very high specific surface area, high thermal and chemical stability and the ... -
Oxidation of activated carbons containing surface phosphorus functionalities
Activated carbons materials have attracted considerable attention because of their interesting application in many fields, such as catalysis, gas and liquid phase adsorption and gas and energy storage. However, the use ... -
Novel lignin-based fibrous carbon materials
Berenguer-Betrián, Raúl; García-Mateos, Francisco José; Rodríguez-Mirasol, José; Cordero-Alcántara, Tomás (2014-07-28)
Lignin is (and will be) an important co-product in many lignocellulosic biomass-derived industries, such as pulp and paper mills (and the future biorefineries, when the concept of bio-economy be developed). The development ... -
Anionic species transport through the soil (Electromigration versus Electroosmosis): The case of EDTA
García-Rubio, Ana; Villén-Guzmán, María Dolores; Paz-García, Juan Manuel; Gómez-Lahoz, César; García-Herruzo, Francisco; Rodríguez-Maroto, José Miguel[et al.] (2014-09-17)
The use of EDTA as a complexing agent to extract metals from soil is common. We have tested this possibility for the remediation feasibility studies of a soil contaminated with lead, collected in the mining district of ... -
The use of available chemical equilibria software for the prediction of the performance of EKR
Villén-Guzmán, María Dolores; Gómez-Lahoz, César; García-Rubio, Ana; Paz-García, Juan Manuel; Vereda-Alonso, Carlos; García-Herruzo, Francisco; Rodríguez-Maroto, José Miguel[et al.] (2014-09-17)
Risk assessment aims for the prediction of the mobility of contaminants, and these are usually based in lab essays together with mathematical modelling. Also the feasibility studies of most techniques, require similar ... -
Influence of alkalinity addition on biomethanization of fruit and vegetable waste and sewage sludge performance. Batch study
Arhoun, Brahim; Villén-Guzmán, María Dolores; Bakkali, A.; El Mail, R.; Rodríguez-Maroto, José Miguel; Gómez-Lahoz, César[et al.] (2014-10-30)
Fruit and vegetable wastes (FVW) are generated in large quantities around the world. This kind of residue constitutes a source of nuisance in municipal landfills because of its high biodegradability. Their high moisture ...