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Candelaria Tejada-Tovar, Ángel Villabona-Ortíz, Ángel Darío González-Delgado, Adriana Herrera-Barros and Rodrigo Ortega-Toro
Water treatment alternatives such as adsorption using agricultural residues are currently being studied to eliminate pollutants that cause eutrophication in water bodies, avoiding the alteration of aquatic ecosystems. In this work, two bio-adsorbents wer...
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Sukomol Barua, Aldona Balciunaite, Jurate Vaiciuniene, Loreta Tama?auskaite-Tama?iunaite and Eugenijus Norkus
In this work, 3D nickel-manganese (NiMn) bimetallic coatings have been studied as electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline (1.0 M KOH) media and the HER in acidic (0.5 M H2SO4) media. The...
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Angel Villabona-Ortíz, Rodrigo Ortega-Toro and Candelaria Tejada-Tovar
Surface modification can improve the adsorption capacity of biochar. Biochar was produced from corn stalks (Zea mays) by pyrolysis at 520 °C, activated with sulfuric acid (H2SO4) using impregnation ratios of biomass weight: volume 1:2 (B 1:2) and 1:3 (B ...
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T Nel, C G C E van Sittert
Pág. 129
Fossielbrandstowwe se nadelige invloed, en die beperktheid daarvan, het groot belangstelling in die ontwikkeling en gebruik van volhoubare energiebronne teweeggebring (Nel et al. 2020). Verskeie alternatiewe energiebronne is tot dusver geïdentifiseer (Kr...
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Bruno Salarini Peixoto, Larissa Silva de Oliveira Mota, Pamella Christina Ortega de Oliveira, Márcia Cristina da Cunha Veloso, Gilberto Alves Romeiro and Marcela Cristina de Moraes
The presence of emerging contaminants in water can harm both the environment and human health. Traditional water and wastewater treatment cannot eliminate them, so different alternatives for their removal are being studied. The use of activated carbon as...
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Rosana de Cassia de Souza Schneider, Aline Rubert, Paulo Roberto Fetter, Lisianne Brittes Benitez, Fabio Farias Neves, Tiele Medianeira Rizzetti
O objetivo deste trabalho foi avaliar o potencial dos hidrolisados da biomassa de Arthrospira platensis na aceleração da germinação e no desenvolvimento das plântulas de tomate. Para os experimentos foi utilizado como substrato o papel germitest umedecid...
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Affonso Celso Gonçalves Junior, Daniel Schwantes, Elio Conradi Junior, Juliano Zimmermann, Gustavo Ferreira Coelho
Pág. e50263
This study evaluated the use of Euterpe oleracea endocarp after chemical modification with H2O2, H2SO4 and NaOH for the removal of Cd2+, Pb2+ and Cr3+ from water. Therefore, the adsorbent was characterized for its chemical composition, Fourier Transform ...
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Athanasios K. Sfikas and Angeliki G. Lekatou
Al?Co alloys of various Co contents (2?20 wt.% Co) were fabricated by vacuum arc melting (VAM) with the scope to investigate the influence of cobalt on the microstructure and corrosion resistance of Al in 1 M H2SO4. The obtained microstructures were dire...
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Atiqa Rahmawati,Aulia Iin Saputri,Ignatius Gunardi
Pág. 21 - 28
Glucose is the most abundant monosaccharide in nature, glucose obtained from cellulose and starch, it is many used to degradation process, and for the production of several organic compounds, one of the degradation products of glucose is an HMF (5-hydrox...
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Juan Carlos López-Linares, Encarnación Ruiz, Inmaculada Romero, Eulogio Castro and Paloma Manzanares
In this work, the production of xylitol from a hemicellulosic hydrolysate of exhausted olive pomace (EOP), a residue originated in the olive oil production process by Candida boidinii, was assessed. The hydrolysate was obtained by dilute acid pretreatmen...
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