Search Results - "de Souza, Antônio Augusto U."

Insights into trivalent chromium biosorption onto protonated brown algae Pelvetia canaliculata: Distribution of chromium ionic species on the binding sites by Vilar, Vítor J.P., Valle, José A.B., Bhatnagar, Amit, Santos, João C., Guelli U. de Souza, Selene M.A., de Souza, Antônio Augusto U., Botelho, Cidália M.S., Boaventura, Rui A.R.

“…► Insights into Cr(III) biosorption onto protonated brown algae Pelvetia canaliculata. ► Carboxylic groups are the major binding sites present in the surface…”
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Adding value to marine macro-algae Laminaria digitata through its use in the separation and recovery of trivalent chromium ions from aqueous solution by Dittert, Ingrid M., Vilar, Vítor J.P., 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.

“…► Adding value to marine macro-algae Laminaria digitata. ► Separation and recovery of trivalent chromium ions. ► FTIR analysis revealed a complex nature of the…”
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Electrospun TiO2 nanofibers for water and wastewater treatment: a review by Marinho, Belisa A., de Souza, Selene M. A. Guelli U., de Souza, Antônio Augusto U., Hotza, Dachamir

“…Water and wastewater treatment is a global challenge that requires innovative solutions. Electrospinning is a versatile and simple technique that allows the…”
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The application of textile sludge adsorbents for the removal of Reactive Red 2 dye by Sonai, Gabriela G., de Souza, Selene M.A. Guelli U., de Oliveira, Débora, de Souza, Antônio Augusto U.

“…Sludge from the textile industry was used as a low-cost adsorbent to remove the dye Reactive Red 2 from an aqueous solution. Adsorbents were prepared through…”
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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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Removal of metal ions from a petrochemical wastewater using brown macro-algae as natural cation-exchangers by Cechinel, Maria A.P., Mayer, Diego A., Pozdniakova, Tatiana A., Mazur, Luciana P., Boaventura, Rui A.R., de Souza, Antônio Augusto U., de Souza, Selene M.A. Guelli U., Vilar, Vítor J.P.

“…[Display omitted] •Heavy metals removal from petrochemical wastewater (PW) by ion-exchange.•Brown marine macro-algae as natural cation exchanger for PW…”
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Removal of hexavalent chromium from electroplating wastewaters using marine macroalga Pelvetia canaliculata as natural electron donor by Hackbarth, Fabíola V., Maass, Danielle, de Souza, Antônio Augusto U., Vilar, Vítor J.P., de Souza, Selene M.A. Guelli U.

“…[Display omitted] •Treatment strategy for galvanic wastewaters containing Cr(VI), Cr(III), Zn and Fe.•Macroalga Pelvetia canaliculata as a natural electron…”
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Recycled polyester nanofiber as a reservoir for essential oil release by Venturelli, Rafaela, Immich, Ana Paula, Souza, Selene, Souza, Antônio Augusto

“…The importance of creating sustainable alternatives for products that can be easily recyclable, such as, poly (ethylene terephthalate) (PET), is not new, being…”
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Application of ecofriendly cation exchangers (Gracilaria caudata and Gracilaria cervicornis) for metal ions separation and recovery from a synthetic petrochemical wastewater: Batch and fixed bed studies by Cechinel, Maria Alice P., Mayer, Diego A., Mazur, Luciana P., Silva, Laís G.M., Girardi, Alice, Vilar, Vítor J.P., de Souza, Antônio Augusto U., Guelli U. de Souza, Selene M.A.

“…Red macro-algae Gracilaria caudata and Gracilaria cervicornis were used as cation exchangers for transition metals (copper, nickel and zinc) from a synthetic…”
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Cork granules as electron donor in integrated reduction/oxidation and sorption processes for hexavalent chromium removal from synthetic aqueous solution by Todescato, Diego, Mayer, Diego A., Cechinel, Maria Alice P., Hackbarth, Fabíola V., de Souza, Antônio Augusto U., de Souza, Selene M.A. Guelli U., Vilar, Vítor J.P.

“…In this study, cork granules, 100% natural and sustainable, were used as effective electron donors for hexavalent chromium reduction to its trivalent form,…”
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Marine macroalgae Pelvetia canaliculata (Phaeophyceae) as a natural cation exchanger for cadmium and lead ions separation in aqueous solutions by Hackbarth, Fabíola V., Girardi, Franciélle, de Souza, Selene M.A. Guelli U., de Souza, Antônio Augusto U., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…•Marine macroalgae Pelvetia canaliculata showed to be a natural cation exchanger.•Weakly acidic (carboxylic groups) and strongly acidic (sulfonic groups)…”
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Ion-exchange breakthrough curves for single and multi-metal systems using marine macroalgae Pelvetia canaliculata as a natural cation exchanger by Hackbarth, Fabíola V., Girardi, Franciélle, Santos, João C., de Souza, Antônio Augusto U., Boaventura, Rui A.R., de Souza, Selene M.A. Guelli U., Vilar, Vítor J.P.

“…[Display omitted] •Marine macroalgae Pelvetia canaliculata as a natural cation exchanger.•Ion-exchange breakthrough curves for single and multi-metal…”
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Marine macroalgae Pelvetia canaliculata (Linnaeus) as natural cation exchanger for metal ions separation: A case study on copper and zinc ions removal by Girardi, Franciélle, Hackbarth, Fabíola V., de Souza, Selene M.A. Guelli U., de Souza, Antônio Augusto U., Boaventura, Rui A.R., Vilar, Vítor J.P.

“…[Display omitted] •Marine macroalgae Pelvetia canaliculata showed to be a natural cation exchanger.•Sequestration of Zn2+ and Cu2+ by raw biomass occurs by the…”
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Ion exchange prediction model for multi-metal systems obtained from single-metal systems using the macroalga Pelvetia canaliculata (Phaeophyceae) as a natural cation exchanger by Hackbarth, Fabíola V., Girardi, Franciélle, de Souza, Antônio Augusto U., Santos, João C., Boaventura, Rui A.R., Vilar, Vítor J.P., de Souza, Selene M.A. Guelli U.

“…•Pelvetia canaliculata showed to be a natural cation exchanger in multi-metal systems.•Ion exchange prediction model for multi-metal systems from single-metal…”
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Benzene, toluene and o-xylene (BTX) removal from aqueous solutions through adsorptive processes by Hackbarth, Fabíola V., Vilar, Vítor J. P., De Souza, Geerlesson B., de Souza, Selene M. A. Guelli U., de Souza, Antônio Augusto U.

“…In this study, the monocomponent adsorption of benzene, toluene and o -xylene (BTX) compounds, as model contaminants present in the petrochemical wastewaters,…”
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Turning Laminariadigitata seaweed into a resource for sustainable and ecological removal of trivalent chromium ions from aqueous solutions by Dittert, Ingrid M., Vilar, Vítor J. P., 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.

“…This study presents the application of a safe, cost effective, environmental friendly, and efficient technology for the removal of trivalent chromium ions from…”
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The use of oilfield gaseous byproducts as extractants of recalcitrant naphthenic acids from synthetic produced water by Klemz, Ana Caroline, Damas, Mayra Stéphanie Pascoal, González, Sergio Yesid Gómez, Mazur, Luciana Prazeres, Marinho, Belisa Alcantara, Weschenfelder, Silvio Edegar, de Oliveira, Débora, da Silva, Adriano, Valle, José Alexandre Borges, de Souza, Antônio Augusto U., de Souza, Selene M.A. Guelli U.

“…[Display omitted] •The influence of different extraction factors and trends are explored and discussed;•Synthetic condensate has great potential as…”
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Evaluation of operational parameters and technology readiness for enhanced management of oilfield produced water treated by ozonation by da Costa, Sabryna Isabelly Giordani, Weschenfelder, Silvio Edegar, Prado Cechinel, Maria Alice, Fuck, João Vítor R., Gier Della Rocca, Daniela, Marinho, Belisa Alcantara, de Carvalho Neto, Sálvio Lima, Rodrigues da Cunha, Maria de Fatima, Prazeres Mazur, Luciana, Moreira, Regina F.P.M., da Silva, Adriano, Guelli. U. de Souza, Selene M.A., U. de Souza, Antônio Augusto

“…[Display omitted] •Confirmed feasibility and scalability of the ozonation from bench to pilot scale.•Use of Venturi tube for better O3 dispersion and…”
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Treatment of real oilfield produced water by liquid-liquid extraction and efficient phase separation in a mixer-settler based on phase inversion by Klemz, Ana Caroline, Damas, Mayra Stéphanie Pascoal, Weschenfelder, Silvio Edegar, González, Sergio Yesid Gómez, dos Santos Pereira, Leonardo, dos Santos Costa, Byron Rosemberg, Orlando Junior, Aloísio Euclides, Mazur, Luciana Prazeres, Marinho, Belisa Alcantara, de Oliveira, Débora, Silva, Adriano da, Valle, José Alexandre Borges, de Souza, Antônio Augusto U., de Souza, Selene M.A. Guelli U.

“…[Display omitted] •Real oilfield produced water was treated by liquid-liquid extraction.•The influence of different extraction factors was explored and…”
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Application of FeCl3 and TiO2-coated algae as innovative biophotocatalysts for Cr(VI) removal from aqueous solution: A process intensification strategy by de Bittencourt, Marcos A., Novack, Aline M., Scherer Filho, Julio A., Mazur, Luciana P., Marinho, Belisa A., da Silva, Adriano, de Souza, Antônio Augusto U., de Souza, Selene M. A. Guelli U.

“…Chromium is a metal that could be both toxic and essential dependent on its oxidation state. While Cr(VI) is toxic to plants, animals and microorganisms,…”
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