Search Results - "Vilar, Vítor J.P."

Photocatalytic reduction of Cr(VI) over TiO2-coated cellulose acetate monolithic structures using solar light by Marinho, Belisa A., Cristóvão, Raquel O., Djellabi, Ridha, Loureiro, José M., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Cellulose acetate monoliths coated with TiO2 were used for Cr(VI) photoreduction.•The presence of citric acid enhanced Cr(VI) reduction by…”
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Oil and grease removal from wastewaters: Sorption treatment as an alternative to state-of-the-art technologies. A critical review by Pintor, Ariana M.A., Vilar, Vítor J.P., Botelho, Cidália M.S., Boaventura, Rui A.R.

“…[Display omitted] •Oil and grease is a widespread pollutant of several types and sources.•Review of state-of-the-art technologies for oil and grease…”
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Pore structure, interface properties and photocatalytic efficiency of hydration/dehydration derived TiO2/CNT composites by Miranda, Sandra M., Romanos, George Em, Likodimos, Vlassis, Marques, Rita R.N., Favvas, Evangelos P., Katsaros, Fotios K., Stefanopoulos, Konstantinos L., Vilar, Vítor J.P., Faria, Joaquim L., Falaras, Polycarpos, Silva, Adrián M.T.

“…•Intimate contact between TiO2 and CNT is crucial in photocatalysis.•CNTs remain tangled in self-standing bundles through strong van der Waals forces.•Liquid…”
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Biodegradability enhancement of a pesticide-containing bio-treated wastewater using a solar photo-Fenton treatment step followed by a biological oxidation process by Vilar, Vítor J.P., Moreira, Francisca C., Ferreira, Ana C.C., Sousa, M.A., Gonçalves, C., Alpendurada, M.F., Boaventura, Rui A.R.

“…This work proposes an efficient combined treatment for the decontamination of a pesticide-containing wastewater resulting from phytopharmaceutical plastic…”
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Integrated reduction/oxidation reactions and sorption processes for Cr(VI) removal from aqueous solutions using Laminaria digitata macro-algae by Dittert, Ingrid M., de Lima Brandão, Heloisa, Pina, Frederico, da Silva, Eduardo A.B., de Souza, Selene M.A. Guelli U., de Souza, Antônio Augusto U., Botelho, Cidália M.S., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Integrated reduction reactions and sorption processes for Cr(VI) removal.•Cr(VI) is reduced to Cr(III) by contact with electron-donor groups…”
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Sanitary landfill leachate treatment using combined solar photo-Fenton and biological oxidation processes at pre-industrial scale by Silva, Tânia F.C.V., Silva, M. Elisabete F., Cristina Cunha-Queda, A., Fonseca, Amélia, Saraiva, Isabel, Boaventura, Rui A.R., Vilar, Vítor J.P.

“…•Complete leachate treatment train combining photocatalytic and biological processes.•The recalcitrant character of the leachate is mainly due humic…”
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Electrochemical advanced oxidation processes: A review on their application to synthetic and real wastewaters by Moreira, Francisca C., Boaventura, Rui A.R., Brillas, Enric, Vilar, Vítor J.P.

“…[Display omitted] •Review of an extensive number of studies from EAOPs origins up to now.•Appraisal of studies on real effluents in addition to synthetic…”
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Performance evaluation of different solar advanced oxidation processes applied to the treatment of a real textile dyeing wastewater by Manenti, Diego R., Soares, Petrick A., Silva, Tânia F.C.V., Módenes, Aparecido N., Espinoza-Quiñones, Fernando R., Bergamasco, Rosângela, Boaventura, Rui A.R., Vilar, Vítor J.P.

“…The performance of different solar-driven advanced oxidation processes (AOPs), such as TiO 2 /UV, TiO 2 /H 2 O 2 /UV, and Fe 2+ /H 2 O 2 /UV–visible in the…”
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Degradation of the antibiotic trimethoprim by electrochemical advanced oxidation processes using a carbon-PTFE air-diffusion cathode and a boron-doped diamond or platinum anode by Moreira, Francisca C., Garcia-Segura, Sergi, Boaventura, Rui A.R., Brillas, Enric, Vilar, Vítor J.P.

“…•Comparative study on AO-H2O2, EF, PEF, SPEF, Fenton and photo-Fenton processes.•Assessment of iron concentration, current density, pH and nature of the…”
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Photocatalytic membrane reactor performance towards oxytetracycline removal from synthetic and real matrices: Suspended vs immobilized TiO2-P25 by Espíndola, Jonathan C., Cristóvão, Raquel O., Mendes, Adélio, Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •UVA/TiO2-MF hybrid systems are effective for OTC removal from water.•MF-catalyst slurry system showed a higher decline in permeate flux than…”
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Single and combined electrochemical oxidation driven processes for the treatment of slaughterhouse wastewater by Alfonso-Muniozguren, Pello, Cotillas, Salvador, Boaventura, Rui A.R., Moreira, Francisca C., Lee, Judy, Vilar, Vítor J.P.

“…Electrochemical oxidation (EO) and EO related processes, either alone or in combination with pre-ozonation, were investigated as a polishing step for…”
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Decolorization and mineralization of Sunset Yellow FCF azo dye by anodic oxidation, electro-Fenton, UVA photoelectro-Fenton and solar photoelectro-Fenton processes by Moreira, Francisca C., Garcia-Segura, Sergi, Vilar, Vítor J.P., Boaventura, Rui A.R., Brillas, Enric

“…•Fast decolorization and almost total mineralization of Sunset Yellow FCF by solar photoelectro-Fenton.•Decreasing oxidation ability for UVA…”
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Scale-up and cost analysis of a photo-Fenton system for sanitary landfill leachate treatment by Silva, Tânia F.C.V., Fonseca, Amélia, Saraiva, Isabel, Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Treatment of 100m3/day of a leachate previously oxidized in a biological system.•Integration of biological/chemical–photo-Fenton/biological…”
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Performance of hybrid systems coupling advanced oxidation processes and ultrafiltration for oxytetracycline removal by Espíndola, Jonathan C., Szymański, Kacper, Cristóvão, Raquel O., Mendes, Adélio, Vilar, Vítor J.P., Mozia, Sylwia

“…[Display omitted] •AOP-UF hybrid systems are effective for OTC removal from waste and surface waters.•Adsorption on TiO2 particles and on membrane contributed…”
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Insights on sulfamethoxazole bio-transformation by environmental Proteobacteria isolates by Reis, Patrícia J.M., Homem, Vera, Alves, Arminda, Vilar, Vítor J.P., Manaia, Célia M., Nunes, Olga C.

“…[Display omitted] •Fresh-water Proteobacteria can transform up to 81% of SMX via co-metabolism.•SMX was stoichiometrically transformed into…”
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Photocatalytic NOx abatement: Mathematical modeling, CFD validation and reactor analysis by de O.B. Lira, Jéssica, Padoin, Natan, Vilar, Vítor J.P., Soares, Cíntia

“…•A CFD model was implemented and validated for the investigation of NOx abatement.•Profiles obtained with CFD deviated substantially from the plug flow…”
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Enhancement of a solar photo-Fenton reaction by using ferrioxalate complexes for the treatment of a synthetic cotton-textile dyeing wastewater by Doumic, Lucila I., Soares, Petrick A., Ayude, María A., Cassanello, Miryan, Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Strategies for the treatment of a cotton-textile dyeing wastewater are examined.•Photo Fenton (PF) treatment leads to insoluble…”
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Solar photocatalytic reduction of Cr(VI) over Fe(III) in the presence of organic sacrificial agents by Marinho, Belisa A., Cristóvão, Raquel O., Loureiro, José M., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Cr(VI) reduction was achieved over Fe(III)-OH complexes using solar light.•The presence of citric acid enhanced Cr(VI) reduction by the…”
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Chemical and electrochemical advanced oxidation processes as a polishing step for textile wastewater treatment: A study regarding the discharge into the environment and the reuse in the textile industry by Silva, Laís G.M., Moreira, Francisca C., Souza, Antônio A.U., Souza, Selene M.A.G.U., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…This study was focused on the application of various chemical and electrochemical advanced oxidation processes (AOPs/EAOPs) as a polishing step for the…”
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Tube-in-tube membrane microreactor for photochemical UVC/H2O2 processes: A proof of concept by Vilar, Vítor J.P., Alfonso-Muniozguren, Pello, Monteiro, Joana P., Lee, Judy, Miranda, Sandra M., Boaventura, Rui A.R.

“…[Display omitted] •Tube-in-tube membrane microreactor for photochemical UVC/H2O2 oxidation systems.•Radial addition of H2O2 through the porous membrane into…”
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