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Browsing by Subject "Reduction"

Now showing items 1-20 of 20

A ground system for early forest fire detection based on infrared signal processing

Bosch Roig, Ignacio; Gómez, S.; Vergara Domínguez, Luís (Taylor & Francis, 2011)

This article presents a ground remote automatic system for forest surveillance based on infrared signal processing applied to early fire detection. Advanced techniques, which are based on infrared signal processing, are ...
Air disinfection in laying hen houses: Effect on airborne microorganisms with focus on Mycoplasma gallisepticum

Adell Sales, Elisa; Calvet Sanz, Salvador; Perez-Bonilla, Adriano; Jiménez Belenguer, Ana Isabel; Garcia, Julio; Herrera, Jorge; Cambra López, María (Elsevier, 2015-01)

The application of disinfectant thermo-nebulised into the air of laying hen houses to reduce airborne microorganisms was evaluated with emphasis on its effect on Mycoplasma gallisepticum. Two air disinfectant tests were ...
Buchner Bründler: el hormigón hecho atmósfera

Vidal, Marisol (Universitat Politècnica de València, 2014-12-20)

[EN] The work of Buchner Bründler is characterised by simple and clear gestures that generate innovative spaces, complex but not complicated. From their headquarters in Basel they have built an identifiable opus because ...
Catalytic Surface Promotion of Composite Cathodes in Protonic Ceramic Fuel Cells

Solis Díaz, Cecilia; Navarrete Algaba, Laura; Bozza, Francesco; Bonanos, Nikolaos; Serra Alfaro, José Manuel (Wiley, 2015-08)

[EN] Composite cathodes based on an electronic conductor and a protonic conductor show advantages for protonic ceramic fuel cells. In this work, the performance of a La5.5WO11.25-delta/La0.8Sr0.2MnO3+delta (LWO/LSM) composite ...
Dating archaeological lead artifacts from measurement of the corrosion content using the voltammetry of microparticles

Domenech Carbo, Mª Teresa; Domenech Carbo, Antonio; Peiró Ronda, María Amparo (American Chemical Society, 2011-05-23)

A methodology for dating archeological lead artifacts based on the voltammetry of microparticles is described. This methodology is based on the comparison of the height of speci¿c voltammetric features from PbO2 and PbO ...
Electrochemical and In Situ FTIR Study of o-Cresol on Platinum Electrode in Acid Medium

Taleb, Z.; Montilla, F.; Quijada Tomás, Cesar; Morallón, E.; Taleb, S. (Springer Verlag (Germany), 2014-04)

The electrochemical behaviour of o-cresol in acidic medium on platinum electrode has been studied by cyclic voltammetry and in situ Fourier transform infrared spectroscopy. The o-cresol suffers hydrolysis during oxidation ...
Electrochemical recovery of zinc from the spent pickling baths coming from the hot dip galvanizing industry. Potentiostatic operation

Carrillo Abad, Jorge; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Pérez-Herranz, Valentín (Elsevier, 2011-09)

An electrochemical reactor was developed to recover zinc from the spent pickling solutions coming from the hot dip galvanizing industry. These solutions mainly contain ZnCl2 and FeCl2 in aqueous HCl media. The effect of ...
Electrochemical treatment of a synthetic wastewater containing a sulphonated azo dye. Determination of naphthalenesulphonic compunds produced as main by-products

Del Río García, Ana Isabel; Fernández Sáez, Javier; Molina Puerto, Javier; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2011-06-15)

The electrochemical treatment of wastewaters from textile industry is a promising technique for substances which are resistant to biodegradation. This paper deals with the electrochemical decolourisation/degradation of ...
Electrochemical Treatment of C.I. Reactive Black 5 Solutions on Stabilized Doped Ti/SnO2 Electrodes

Del Río García, Ana Isabel; Benimeli Cámara, María José; Molina Puerto, Javier; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Electrochemical Science Group, 2012-12-01)

The electrochemical treatment of wastewaters from the textile industry is a promising technique for substances which are resistant to biodegradation. This paper deals with the electrochemical decolourisation and degradation ...
Influence of Deposition Potential on Structure of ZnO Nanowires Synthesized in Track-Etched Membranes

Pruna, Alina Iuliana; Pullini, Daniele; Busquets Mataix, David Jerónimo (Electrochemical Society, 2012)

Single-crystal ZnO nanowires long up to several microns were fabricated by one-step electrochemical deposition. A template-based process employing track-etched polycarbonate (TE-PC) membranes was used for this purpose. The ...
Influence of synthesis conditions on properties of green-reduced graphene oxide

Pruna, A.; Pullini, D.; Busquets, D. (Springer-Verlag, 2013)

[EN] Green reduction of graphene oxide (GO) was performed using ascorbic acid (AA) in the presence of poly(sodium 4-styrenesulfonate), which resulted in reduced graphene oxide (PSS-rGO) with excellent solubility and stability ...
Mejora de procesos aplicando el waste reduction algorithm (WAR) con un simulador de procesos. Aplicacion a casos ejemplo

Pérez González, Eliana Carolina (2015-06-02)

[EN] A metodology development to improve industrial processes using a Industrial process simulator with the results provide by tha Waste reduction algorithm, which is a standar evaluation tool for environmental impact in ...
One pot synthesis of cyclohexanone oxime from nitrobenzene using a bifunctional catalyst

Rubio Marqués, Paula; Hernández Garrido, Juan Carlos; Leyva Perez, Antonio; Corma Canós, Avelino (Royal Society of Chemistry, 2014)

Cyclohexanone oxime is formed from nitrobenzene with 97% yield in a one-pot reaction catalysed by palladium and gold nanoparticles on carbon. The reaction is carried out under hydrogen at 60 8C and the overall transformation ...
Photobiocatalytic chemistry of oxidoreductases using water as the electron donor

Mifsud Grau, María; Gargiulo, Serena; Iborra Chornet, Sara; Arends, Isabel W. C. E.; Hollmann, Frank; Corma Canós, Avelino (Nature Publishing Group, 2014-01)

[EN] To date, water has been poorly studied as the sacrificial electron donor for biocatalytic redox reactions using isolated enzymes. Here we demonstrate that water can also be turned into a sacrificial electron donor to ...
Photocatalytic CO2 reduction using non-titanium metal oxides and sulfides

Navalón Oltra, Sergio; Dhakshinamoorthy, Amarajothi; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Wiley-VCH Verlag, 2013-04)

[EN] Titanium dioxide (TiO2) is by far the most widely used photocatalyst both for the degradation of pollutants and in the field of renewable energies for the production of solar fuels. However, TiO2 has strong limitations ...
Reconstruction of the carbon sp2 network in graphene oxide by low-temperature reaction with CO

Pulido, Angeles; Concepción Heydorn, Patricia; Boronat Zaragoza, Mercedes; Botas, C.; Alvarez, P.; Menendez, R.; Corma Canós, Avelino (Royal Society of Chemistry, 2012)

[EN] Low-temperature (-176 degrees C) CO adsorption on graphene oxide and partially reduced graphene oxide sheets was investigated in a combined IR spectroscopic and DFT study. The reactivity of the carbon vacancies in the ...
Recovery of zinc from spent pickling solutions using an electrochemical reactor in presence and absence of an anion-exchange membrane: Galvanostatic operation

Carrillo Abad, Jorge; García Gabaldón, Montserrat; Ortega Navarro, Emma María; Pérez-Herranz, Valentín (Elsevier, 2012-09-19)

The performance of a one- and two-compartment electrochemical reactor under galvanostatic control for zinc recovery present in the spent pickling solutions is studied in this paper. These solutions, which mainly contain ...
Synergy between the metal nanoparticles and the support for the hydrogenation of functionalized carboxylic acids to diols on Ru/TiO2

Primo Arnau, Ana María; Concepción Heydorn, Patricia; Corma Canós, Avelino (Royal Society of Chemistry, 2011)

Ruthenium nanoparticles supported on titania are over three times more active than conventional ruthenium on carbon for the hydrogenation of lactic acid. This superior catalytic activity can be due to a combined action of ...
The impact of pre-reduction thermal history on the metal surface topology and site-catalytic activity of Co=SiO2 Fischer Tropsch catalysts

Prieto González, Gonzalo; Concepción Heydorn, Patricia; Murciano Martínez, Raúl; Martinez Feliu, Agustin (Elsevier, 2013-06)

[EN] For ex-nitrate Co/SiO2 Fischer Tropsch synthesis (FTS) catalysts, the influence of the early thermal treatments during catalyst synthesis on the ultimate catalytic properties is studied without overlapping of particle ...
Tunability by alkali metal cations of photoinduced charge separation in azacrown functionalized graphene

Ballesteros Garrido, Rafael; De Miguel de la Torre, Maykel; Domenech-Carbo, Antonio; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (Royal Society of Chemistry, 2013)

A modified graphene oxide contg. aza-9-crown-3 ether units covalently anchored was prepd.; aq. suspensions of this material in the presence of Li+, Na+ and K+ cations exhibit enhanced electrochem. response, enhanced ...