Search Results - "Labrincha, João A"

Characterisation and use of biomass fly ash in cement-based materials by Rajamma, Rejini, Ball, Richard J., Tarelho, Luís A.C., Allen, Geoff C., Labrincha, João A., Ferreira, Victor M.

“…This paper presents results about the characterisation of the biomass fly ashes sourced from a thermal power plant and from a co-generation power plant located…”
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Evaluation of the Nature and Concentration of the Surfactant on the Properties of Red Mud/Metakaolin Porous Geopolymers Foamed with Aluminium by Bilici, Senem, Carvalheiras, João, Labrincha, João A, Novais, Rui M

“…The chemical foaming technique is possibly the most common method of producing porous geopolymers. Despite this, to date, the role of the content and type of…”
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Smallest Bimetallic CoPt3 Superparamagnetic Nanoparticles by Karmaoui, Mohamed, Amaral, J. S, Lajaunie, Luc, Puliyalil, Harinarayanan, Tobaldi, David M, Pullar, Robert C, Labrincha, João A, Arenal, Raul, Cvelbar, Uroš

“…We present for the first time a nonaqueous sol–gel route to produce ultrasmall (<2 nm) magnetic bimetallic CoPt3 nanoparticles (NPs). The one-pot procedure is…”
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Biomass Fly Ash Self-Hardened Adsorbent Monoliths for Methylene Blue Removal from Aqueous Solutions by Capela, Marinélia N., Cesconeto, Francielly R., Pinto, Paula C., Tarelho, Luís A. C., Seabra, Maria P., Labrincha, João A.

“…The use of methylene blue (MB) by several industries generates contaminated industrial wastewaters that must be purified before discharge into the environment…”
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Geopolymer foams: An overview of recent advancements by Novais, Rui M., Pullar, Robert.C., Labrincha, João A.

“…Geopolymer foams (highly porous materials) have emerged as one of the most exciting materials over the past few years due to their remarkable properties, low…”
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Synthesis of porous biomass fly ash-based geopolymer spheres for efficient removal of methylene blue from wastewaters by Novais, Rui M., Carvalheiras, João, Tobaldi, David M., Seabra, Maria P., Pullar, Robert C., Labrincha, João A.

“…In this work, and for the first time, fly ash (FA)-based geopolymer (d = 2.6 mm) spheres were used to extract methylene blue from synthetic wastewaters. The…”
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Biomass fly ash geopolymer monoliths for effective methylene blue removal from wastewaters by Novais, Rui M., Ascensão, Guilherme, Tobaldi, David M., Seabra, Maria P., Labrincha, João A.

“…For the first time biomass fly ash geopolymer monoliths were used as adsorbents for the removal of methylene blue from synthetic wastewaters. Highly porous and…”
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Life cycle assessment of the production of cement: A Brazilian case study by Stafford, Fernanda N., Raupp-Pereira, Fabiano, Labrincha, João A., Hotza, Dachamir

“…The cement industry is facing important challenges regarding the reduction of raw materials and energy demands, and CO2 emissions. Although many advances have…”
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Modification of anatase using noble-metals (Au, Pt, Ag): Toward a nanoheterojunction exhibiting simultaneously photocatalytic activity and plasmonic gas sensing by Karmaoui, Mohamed, Lajaunie, Luc, Tobaldi, David Maria, Leonardi, Gianluca, Benbayer, Chahinez, Arenal, Raul, Labrincha, João A., Neri, Giovanni

“…[Display omitted] •Proposed mechanism was established. .•The development of a novel non-aqueous sol-gel process to 4nm small sized TiO2 nanoparticles…”
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Innovative application for bauxite residue: Red mud-based inorganic polymer spheres as pH regulators by Novais, Rui M., Carvalheiras, João, Seabra, Maria P., Pullar, Robert C., Labrincha, João A.

“…[Display omitted] •Red mud-based geopolymer spheres (2.5 mm) were synthesised for the first time.•The aluminosilicate sources of the geopolymer spheres were…”
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Extremely fast and efficient methylene blue adsorption using eco-friendly cork and paper waste-based activated carbon adsorbents by Novais, Rui M., Caetano, Ana P.F., Seabra, Maria P., Labrincha, João A., Pullar, Robert C.

“…For the first time the feasibility of using an alkaline wastewater coming from the pulp and paper industry as an activator, partially (50 vol%) replacing…”
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Pt-decorated In2O3 nanoparticles and their ability as a highly sensitive (<10ppb) acetone sensor for biomedical applications by Karmaoui, Mohamed, Leonardi, Salvatore Gianluca, Latino, Mariangela, Tobaldi, David M., Donato, Nicola, Pullar, Robert C., Seabra, Maria P., Labrincha, João A., Neri, Giovanni

“…This paper reports on the high sensitivity of sub-spherical In2O3-Pt nanoparticles (NPs) for detecting ppb levels of acetone, a biomarker for diabetes. The…”
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Mix design and mechanical performance of geopolymeric binders and mortars using biomass fly ash and alkaline effluent from paper-pulp industry by Saeli, Manfredi, Tobaldi, David M., Seabra, Maria Paula, Labrincha, João A.

“…This work investigates the use of biomass fly ash (BFA) and an alkaline effluent (AEF), both generated from the Kraft pulp industry, in the preparation of…”
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Use of modified bauxite residue-based porous inorganic polymer monoliths as adsorbents of methylene blue by Hertel, Tobias, Novais, Rui M., Murillo Alarcón, Roberto, Labrincha, João A., Pontikes, Yiannis

“…Porous inorganic polymer (IP) monoliths were synthesised using a modified bauxite residue (BR) as the reactive fraction with the objective of using them as…”
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Alkali Niobate and Tantalate Perovskites as Alternative Photocatalysts by Zlotnik, Sebastian, Tobaldi, David M., Seabra, Paula, Labrincha, João A., Vilarinho, Paula M.

“…Alkali tantalates and niobates are listed as important photocatalysts for the development of renewable energy technologies and environmental remediation…”
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Effect of nano-silica on rheology and fresh properties of cement pastes and mortars by Senff, Luciano, Labrincha, João A., Ferreira, Victor M., Hotza, Dachamir, Repette, Wellington L.

“…Amorphous nano-silica (nS) particles (0–2.5 wt%) by cement were incorporated in cement pastes and mortars, and their effect on the fresh state behaviour was…”
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Metals removal from aqueous solutions by tailored porous waste-based granulated alkali-activated materials by Bumanis, Girts, Novais, Rui M., Carvalheiras, João, Bajare, Diana, Labrincha, João A.

“…In this study, and for the first time, the possibility of using bulk type waste-based granulated alkali-activated materials (AAM) for inducing heavy metals…”
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Simultaneous removal of multiple metal(loid)s and neutralization of acid mine drainage using 3D-printed bauxite-containing geopolymers by Gonçalves, Nuno P.F., da Silva, Eduardo Ferreira, Tarelho, Luís A.C., Labrincha, João A., Novais, Rui M.

“…The mining industry is one of the largest sources of environmental concern globally. Herein we report for the first time the application of highly porous…”
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Effective acid mine drainage remediation in fixed bed column using porous red mud/fly ash-containing geopolymer spheres by Gonçalves, Nuno P.F., Almeida, Mariana M., Labrincha, João A., Novais, Rui M.

“…Acid mine drainage (AMD) poses a significant threat to water quality worldwide, being amongst the most problematic environmental concerns of the millennium…”
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Synthesis of PPy-ZnO composite used as photocatalyst for the degradation of diclofenac under simulated solar irradiation by Silvestri, Siara, Ferreira, Celia Dias, Oliveira, Verónica, Varejão, Jorge M.T.B., Labrincha, João A., Tobaldi, David Maria

“…[Display omitted] •PPy-ZnO was synthesized via polymerization.•This is the first time that a composite PPy-ZnO was used for the PC degradation of DCF.•The…”
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