Search Results - "Cadaval Jr, Tito R. S."
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Nanominerals assemblages and hazardous elements assessment in phosphogypsum from an abandoned phosphate fertilizer industry
Published in Chemosphere (Oxford) (01-10-2020)“…The present work investigates hazardous elements and nanomineralogical assemblages of phosphogypsum waste from an abandoned phosphate fertilizer industry…”
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2
Green synthesis of carbon nanotubes impregnated with metallic nanoparticles: Characterization and application in glyphosate adsorption
Published in Chemosphere (Oxford) (01-11-2021)“…In the present work, multi-walled carbon nanotubes (MWCNTs) were used as support material for the impregnation of metallic nanoparticles (MNPs) produced by…”
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3
Removal of fluoride from fertilizer industry effluent using carbon nanotubes stabilized in chitosan sponge
Published in Journal of hazardous materials (15-04-2020)“…[Display omitted] •All assays were performed using gas scrubber effluent from the production of fertilizer industry.•Carbon nanotube was anchored onto chitosan…”
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4
Anthocyanins concentration by adsorption onto chitosan and alginate beads: Isotherms, kinetics and thermodynamics parameters
Published in International journal of biological macromolecules (01-01-2021)“…The anthocyanins health benefits are diverse, but numerous factors affect the anthocyanins stability, thus, this work aimed to extract anthocyanins from Pinot…”
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5
Development of adsorbent rigid structure based on Spirulina sp./chitosan bioblends coatings for dye adsorption in fixed bed column
Published in Environmental science and pollution research international (01-11-2022)“…The glass particles were coated with Spirulina sp. LEB-18 and bioblends of Spirulina sp. LEB-18/chitosan by casting technique and, afterward, it was verified…”
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6
Adsorption of silver nanoparticles by activated carbon from Eragrostis plana Nees: kinetics, equilibrium, and catalytic application in the degradation of 4-nitrophenol
Published in Adsorption : journal of the International Adsorption Society (2024)“… Eragrostis plana Nees is an invasive species in Brazilian territory, known for its high levels of lignin, cellulose, and hemicellulose, making it a valuable…”
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7
Preparation of activated carbon from black wattle bark waste and its application for phenol adsorption
Published in Journal of environmental chemical engineering (01-10-2019)“…[Display omitted] •A micro/mesoporous activated carbon was produced from black wattle bark waste using ZnCl2 as activating agent.•The surface area was…”
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8
Leaching of rare earth elements from phosphogypsum
Published in Chemosphere (Oxford) (01-08-2022)“…High amounts of phosphogypsum (PG) are generated in the production of phosphoric acid. Previous literature demonstrates that obtaining rare earth elements…”
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9
Development of Spirulina/chitosan foam adsorbent for phenol adsorption
Published in Journal of molecular liquids (01-07-2020)“…A new adsorbent composed with Spirulina and chitosan was developed to phenol removal from aqueous solution. The material was synthesized to obtain a hybrid…”
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10
Lanthanum uptake from water using chitosan with different configurations
Published in Reactive & functional polymers (01-11-2022)“…Chitosan-based adsorbents (chitosan powder, chitosan film, and chitosan sponge) were prepared and employed for the adsorption of La(III) ions. The materials…”
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11
Biodiesel produced from crude, degummed, neutralized and bleached oils of Nile tilapia waste: Production efficiency, physical-chemical quality and economic viability
Published in Renewable energy (01-12-2020)“…Crude oil extracted from tilapia heads and oils obtained from different steps of its refinement process (physically degummed, chemically degummed, neutralized,…”
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12
Adsorption of phenol onto chitosan hydrogel scaffold modified with carbon nanotubes
Published in Journal of environmental chemical engineering (01-12-2019)“…[Display omitted] •Chitosan hydrogel modified with carbon nanotube was developed and used for phenol removal.•A hydrogel with high swelling degree was…”
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13
Ultrasound-assisted leaching of rare earth elements from phosphogypsum
Published in Chemical engineering and processing (01-09-2023)“…•The US leaching allowed a leaching efficiency of 84% at mild operation conditions;.•US leaching efficiency was 20% higher than that obtained with mechanical…”
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Simultaneous determination of the quaternary ammonium pesticides paraquat, diquat, chlormequat, and mepiquat in barley and wheat using a modified quick polar pesticides method, diluted standard addition calibration and hydrophilic interaction liquid chromatography coupled to tandem mass spectrometry
Published in Journal of Chromatography A (10-05-2019)“…•A new method for quaternary ammonium pesticides in cereals by HILIC-UHPLC-MS/MS.•Use of the biosorbent chitosan is effective, cheap and environmentally…”
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15
Development of chitosan/Spirulina sp. blend films as biosorbents for Cr6+ and Pb2+ removal
Published in International journal of biological macromolecules (15-07-2020)“…Chitosan film, Spirulina sp. film and its blend were developed as biosorbents to remove Cr6+ and Pb2+ ions from aqueous solutions. The kinetic study and the pH…”
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16
Preparation, Characterization and Dye Adsorption/Reuse of Chitosan-Vanadate Films
Published in Journal of polymers and the environment (01-07-2018)“…Chitosan used on dyes adsorption when in film form shows limitations due to its low regeneration capacity. In this work, chitosan films were modified using…”
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17
Cu(II) adsorption from copper mine water by chitosan films and the matrix effects
Published in Environmental science and pollution research international (01-02-2017)“…Adsorption of copper ions onto chitosan films was studied, and the matrix effect was evaluated using a synthetic solution and a real effluent from closed…”
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18
Development of chitosan/Spirulina sp. blend films as biosorbents for Cr 6+ and Pb 2+ removal
Published in International journal of biological macromolecules (15-07-2020)“…Chitosan film, Spirulina sp. film and its blend were developed as biosorbents to remove Cr and Pb ions from aqueous solutions. The kinetic study and the pH…”
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19
Curvas de aprendizado aplicadas a análise da produtividade de soldadores
Published in Vetor (01-12-2013)“…Este artigo apresenta uma análise da produtividade de soldadores de estruturas navais utilizando o conceito de curvas de maturidade. O presente estudo…”
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20
Curvas de aprendizado aplicadas a análise da produtividade de soldadores
Published in Vetor (01-12-2013)“…Este artigo apresenta uma análise da produtividade de soldadores de estruturas navais utilizando o conceito de curvas de maturidade. O presente estudo…”
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