Search Results - "Vieira, Marcelo Fernandes"
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Green synthesis of copper oxide nanoparticles impregnated on activated carbon using Moringa oleifera leaves extract for the removal of nitrates from water
Published in Canadian journal of chemical engineering (01-11-2018)“…The present work aims at impregnating copper oxide nanoparticles (Cu NPs) on activated carbon by means of green synthesis with Moringa oleifera leaf extract to…”
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Protein fractionation of Moringa oleifera Lam. seeds and functionalization with magnetic particles for the treatment of reactive black 5 solution
Published in Canadian journal of chemical engineering (01-08-2019)“…Industrial effluents are sewage from industrial processes, such as polluted cooling waters and waters used for cleaning. It is extremely important that these…”
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Diclofenac removal from water by adsorption on Moringa oleifera pods and activated carbon: Mechanism, kinetic and equilibrium study
Published in Journal of cleaner production (10-05-2019)“…The productive chain of Moringa oleifera can generate by-products such as pods and bark, which can become large environmental liabilities. In the search for…”
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Adsorption of Safranin-O dye by copper oxide nanoparticles synthesized from Punica granatum leaf extract
Published in Environmental technology (06-09-2022)“…The development of new technologies for water and wastewater treatment is a growing need due to the occurrence of micropollutants, such as dyes, in water…”
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Surface modification of a polyethersulfone microfiltration membrane with graphene oxide for reactive dyes removal
Published in Applied surface science (30-08-2019)“…Polyethersulfone microfiltration membranes (mPES) were modified with polyethilenimine (PEI) and graphene oxide (GO) by layer-by-layer self-assembly method via…”
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Modification of natural zeolite with Fe(III) for dipyrone removal from aqueous solutions
Published in Materials letters (15-08-2024)“…[Display omitted] •The surface of clinoptilolite was modified using iron salts to obtain Fe(III) ions.•ZN-Fe(III) exhibited a maximum adsorption capacity of…”
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Modified Moringa oleifera Lam. Seed husks as low-cost biosorbent for atrazine removal
Published in Environmental technology (21-03-2021)“…Atrazine is an herbicide which is widely applied in sugarcane and corn crops. Its frequent use has resulted in environmental impacts, and its traces have been…”
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Hydrothermal modification of natural zeolite and its application in anti‐inflammatory removal
Published in Journal of chemical technology and biotechnology (1986) (01-12-2024)“…BACKGROUND Natural zeolite's inefficiency in removing organic compounds has been a significant challenge in water treatment. To address this, this study…”
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A novel magnetic adsorbent from activated carbon fiber and iron oxide nanoparticles for 2,4-D removal from aqueous medium
Published in Environmental technology (06-12-2023)“…Carbonaceous materials have been widely applied as adsorbents, but there are some factors that affect their efficiency. In this context, advances in…”
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The ‘chimie douce’ process towards the modification of natural zeolites for removing drugs and pesticides from water
Published in Journal of chemical technology and biotechnology (1986) (01-08-2022)“…BACKGROUND Drugs and pesticides are emerging contaminants, and their presence in surface and groundwater have been increasing. Therefore, this work aims to…”
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Valorization of biomass ash for the effective removal of dipyrone from water: an efficient and low‐cost option
Published in Journal of chemical technology and biotechnology (1986) (01-07-2023)“…Background In order to propose a destination for the bottom ash generated from biomass burning, its morphology, functional groups and mineral phases were…”
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Application of magnetic coagulant based on fractionated protein of Moringa oleifera Lam. seeds for aqueous solutions treatment containing synthetic dyes
Published in Environmental science and pollution research international (01-04-2020)“…The aim of the present study was to evaluate the efficiency of a new magnetic coagulant, obtained from Moringa oleifera seeds protein functionalized with iron…”
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Synthesis and Impregnation of Copper Oxide Nanoparticles on Activated Carbon through Green Synthesis for Water Pollutant Removal
Published in Materials research (São Carlos, São Paulo, Brazil) (01-01-2018)“…In this article was developed a green synthesis of CuO nanoparticles on vegetal activated carbon (VAC), using pomegranate leaf extract as reducing and…”
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Development of an activated carbon impregnation process with iron oxide nanoparticles by green synthesis for diclofenac adsorption
Published in Environmental science and pollution research international (01-02-2020)“…The objective of this study was to impregnate the surface of palm coconut activated carbon with nanoparticles of iron compounds using Moringa oleifera leaf…”
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Modification of natural zeolite clinoptilolite and ITS application in the adsorption of herbicides
Published in Environmental technology (23-11-2023)“…The clinoptilolite natural zeolites (NZs) posses low herbicide adsorption capacity demanding acid-, alkali-, or salt chemical modifications that enhance its…”
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Performance of a coagulation–ultrafiltration hybrid process for water supply treatment
Published in Chemical engineering journal (Lausanne, Switzerland : 1996) (15-01-2011)“…The combination of coagulation/flocculation and ultrafiltration in the process of drinking water treatment was investigated using natural (chitosan) and…”
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Deposition of graphene nanoparticles associated with tannic acid in microfiltration membrane for removal of food colouring
Published in Environmental technology (2021)“…A modified microfiltration (MF) membrane was prepared by flow-through coating method. First the sulfuric acid solution was vacuum filtered on the…”
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Layer‐by‐layer self‐assembly of polyethersulphone microfiltration membranes for dye removal and flux recovery improvement
Published in Canadian journal of chemical engineering (01-08-2022)“…Commercial polyethersulphone (PES) microfiltration (MF) membranes were modified with sulphuric acid, chitosan (CHS), and graphene oxide (GO) by the…”
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Low‐cost biosorbent based on Moringa oleifera residues for herbicide atrazine removal in a fixed‐bed column
Published in Canadian journal of chemical engineering (01-07-2018)“…A low‐cost biosorbent based on Moringa oleifera Lam (MO) seed husks was used in order to remove atrazine (ATZ) from aqueous solutions in a continuous system…”
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Water decontamination containing nitrate using biosorption with Moringa oleifera in dynamic mode
Published in Environmental science and pollution research international (01-08-2018)“…This study was conducted to assess the feasibility of using Moringa oleifera Lam. (MO) seeds in the biosorption of nitrate present in aqueous solutions by…”
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