Search Results - "Restivo, João"

Immobilization of carbon composite materials on structured frameworks for application in continuous catalytic experiments: Application in NO3- conversion by Santos, A. Sofia G.G., Restivo, João, Troutman, Jacob P., Werth, Charles J., Orge, Carla A., Pereira, M. Fernando R., Soares, O. Salomé G.P.

“…Bimetallic catalysts applied for water treatment are highly susceptible to deactivation/poisoning mainly when immobilized in macroscopic structures. Metal…”
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Mechanisms of aqueous bromate reduction activity enhancement with well-defined bimetallic palladium-based catalysts by Troutman, Jacob P., Restivo, João, Ha, Hyunwoo, Bajalan, Zahra, Brady, Carolyn E., Costa, João M.B., Vigil-Hernandez, Carolina, Barbosa, José R.M., Orge, Carla A., Pereira, Manuel F.R., Humphrey, Simon M., Henkelman, Graeme, Werth, Charles J., Soares, Olívia S.G.P.

“…Catalytic reduction has been shown to remove bromate (BrO3−) in drinking water without waste stream formation, though most reported catalysts rely on palladium…”
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The role of multiwalled carbon nanotubes (MWCNTs) in the catalytic ozonation of atrazine by Fan, Xiaolei, Restivo, João, Órfão, José J.M., Pereira, Manuel Fernando R., Lapkin, Alexei A.

“…•A new reaction pathway for conversion of atrazine in catalytic ozonation is proposed.•A lower toxicity effluent is obtained compared to non-catalytic route.•A…”
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Design of macrostructured bimetallic MWCNT catalysts for multi-phasic hydrogenation in water treatment with pre- and post-coating metal phase impregnation by Santos, A. Sofia G.G., Restivo, João, Orge, Carla A., Pereira, M. Fernando R., Soares, O. Salomé G.P.

“…The development of macrostructured catalysts for remediation processes is a key step towards the sustainability of multi-phase environmental systems, such as…”
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A review of current and prospective catalytic routes for the management of PFAs contamination in water by Restivo, João, Orge, Carla A., Soares, O. Salomé.G. P., Pereira, M. Fernando R.

“…Per- and polyfluoroalkyl substances (PFAs) are a class of chemicals widely used for their remarkable physicochemical properties. A variety of household and…”
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Implementation of Transition Metal Phosphides as Pt-Free Catalysts for PEM Water Electrolysis by Brito, João, Restivo, João, Sousa, Juliana P. S., Spera, Natalia C. M., Falcão, D. S., Rocha, Amadeu, Pinto, A. M. F. R., Pereira, Manuel Fernando R., Soares, Olívia Salomé G. P.

“…Proton Exchange Membrane (PEM) water electrolysis (WE) produces H2 with a high degree of purity, requiring only water and energy. If the energy is provided…”
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First Insight into the Catalytic Activity of Stereolithographically 3D‐Printed Tannin‐Based Carbon Architectures by Blyweert, Pauline, Restivo, João, Soares, Olivia S. G. P., Nicolas, Vincent, Fierro, Vanessa, Pereira, Manuel F. R., Celzard, Alain

“…The remediation of polluted water is a major concern for public health and the environment. Catalytic removal of model organic and inorganic pollutants in…”
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Synthesis of monometallic macrostructured catalysts for bromate reduction in a continuous catalytic system by Santos, A. Sofia G. G., Restivo, João, Orge, Carla A., Pereira, M. Fernando R., Soares, O. Salomé G. P.

“…The last few years have seen great leaps in the use of mechano-chemically modified carbon nanotubes in catalysis. While high improvements in catalytic…”
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Influence of preparation methods on the activity of macro-structured ball-milled MWCNT catalysts in the ozonation of organic pollutants by Restivo, João, Orge, Carla Alexandra, Guedes Gorito dos Santos, Ana Sofia, Gonçalves Pinto Soares, Olívia Salomé, Ribeiro Pereira, Manuel Fernando

“…[Display omitted] •macro-structured ozonation catalysts were prepared using ball-milled MWCNT.•the coating procedure hindered the catalytic performance of the…”
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Towards the efficient reduction of perchlorate in water using rhenium-noble metal bimetallic catalysts supported on activated carbon by Restivo, João, Pinto Soares, Olívia Salomé Gonçalves, Orge, Carla Alexandra, Pereira, Manuel Fernando Ribeiro

“…Catalytic reduction in water is a potential alternative to replace current available techniques, such as adsorption or ion-exchange, for the efficient…”
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Nanostructured Layers of Mechanically Processed Multiwalled Carbon Nanotubes for Catalytic Ozonation of Organic Pollutants by Restivo, João, Orge, Carla Alexandra, Guedes Gorito dos Santos, Ana Sofia, Soares, Olívia Salomé Gonçalves Pinto, Pereira, Manuel Fernando Ribeiro

“…Multiwalled carbon nanotubes (MWCNTs) are known to have great potential to be used as catalysts in the ozonation of organic pollutants in water. However,…”
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Nitrate Catalytic Reduction over Bimetallic Catalysts: Catalyst Optimization by Santos, A. Sofia G. G., Restivo, João, Orge, Carla A., Pereira, M. Fernando R., Soares, O. Salomé G. P.

“…The catalytic removal of nitrate (NO3−) in water using hydrogen as a reducing agent was studied using palladium-copper bimetallic catalysts in different…”
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Green synthesis of carbon coated macrostructured catalysts: Optimized methodology and enhanced catalytic performance by Santos, A． Sofia G．G．, Restivo, João, Orge, Carla A., Pereira, M.Fernando R., Soares, O.Salomé G.P.

“…•A novel methodology was developed for carbon macrostructured catalysts synthesis.•Sodium alginate was used as “green” dispersant.•Developed methodology…”
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Influence of organic matter formed during oxidative processes in the catalytic reduction of nitrate by Santos, A. Sofia G.G., Restivo, João, Orge, Carla A., Pereira, M. Fernando R., Soares, O. Salomé G.P.

“…The application of the catalytic reduction process to remove nitrate formed during the ozonation process of organic compounds in water was assessed to study…”
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Copper Supported on Mesoporous Structured Catalysts for NO Reduction by Mariana B. S. Felgueiras, João Restivo, Juliana P. S. Sousa, Manuel F. R. Pereira, Olívia S. G. P. Soares

“…Nitrogen oxides (NOx) are one of the pollutants of greatest concern in terms of atmospheric contamination and, consequently, human health. The main objective…”
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Catalytic performance of heteroatom-modified carbon nanotubes in advanced oxidation processes by Restivo, João, Rocha, Raquel P., Silva, Adrián M.T., Órfão, José J.M., Pereira, Manuel F.R., Figueiredo, José L.

“…Multi-walled carbon nanotubes （CNTs） were submitted to chemical and thermal treatments in order to incorporate different heteroatoms on the surface.O-, S- and…”
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Engineering of Nanostructured Carbon Catalyst Supports for the Continuous Reduction of Bromate in Drinking Water by Costa, João M. Cunha Bessa da, Barbosa, José R. Monteiro, Restivo, João, Orge, Carla A., Nogueira, Anabela, Castro-Silva, Sérgio, Pereira, Manuel F. Ribeiro, Soares, Olívia S. Gonçalves Pinto

“…Recent works in the development of nanostructured catalysts for bromate reduction in drinking water under hydrogen have highlighted the importance of the…”
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Catalytic ozonation of organic micropollutants using carbon nanofibers supported on monoliths by Restivo, João, Órfão, José J.M., Pereira, Manuel F.R., Garcia-Bordejé, Enrique, Roche, Pascal, Bourdin, Delphine, Houssais, Béatrice, Coste, Marielle, Derrouiche, Salim

“…•A structured catalyst of CNF grown on the surface of cordierite monoliths was prepared.•This catalyst was applied in the catalytic ozonation of emerging…”
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Nano- and macro-structured cerium oxide – Carbon nanotubes composites for the catalytic ozonation of organic pollutants in water by Restivo, João, Orge, Carla A., G.G. Santos, Ana Sofia, G.P. Soares, O. Salomé, R. Pereira, M. Fernando

“…[Display omitted] •Pre-formed CNT-ceria composites were coated onto macro-structured supports for the first time.•Several preparation methods were evaluated…”
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Catalytic performance of PdCu supported on mesoporous MCM−41 with different morphologies for reduction of aqueous oxyanion pollutants by Piva, Diógenes Honorato, Barbosa, José R.M., Oliveira, Isabel, Sousa, Juliana, Restivo, João, Orge, Carla A., Pereira, Manuel F.R., Soares, Olívia S.G.P.

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