Electric Field-Assisted Uptake of Hexavalent Chromium Ions with In Situ Regeneration of Carbon Monolith Adsorbents.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced science"
DOI: 10.1002/advs.202301419
Abstract: The uptake of hexavalent chromium (Cr(VI)) ions from wastewater is of great significance for environmental remediation and resource utilization. In this study, a self-designed instrument equipped with an oxidized mesoporous carbon monolith (o-MCM) as an… read more here.
Keywords: electric field; carbon; hexavalent chromium; uptake hexavalent ... See more keywords
Eco-friendly sensing of hexavalent chromium ions via copper-doped carbon quantum dots: a fluorescent probe for water safety
Sign Up to like & getrecommendations! Published in 2025 at "Mikrochimica Acta"
DOI: 10.1007/s00604-024-06939-4
Abstract: The hydrothermal synthesis is presented of copper-doped carbon dots (Cu-CDs) from citric acid, urea, and copper chloride, resulting in blue-fluorescent particles with stable emission at 438 nm when excited at 340 nm. Through comprehensive spectroscopic… read more here.
Keywords: chromium ions; hexavalent chromium; water safety; copper doped ... See more keywords
Magnetic cation exchange membrane incorporated with cobalt ferrite nanoparticles for chromium ions removal via electrodialysis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.04.069
Abstract: Abstract A new type of magnetic mixed matrix cation exchange membrane was prepared by incorporating cobalt ferrite nanoparticles for chromium ions removal via electrodialysis. The CoFe2O4 nanoparticles were synthesized via a simple chemical precipitation method.… read more here.
Keywords: exchange; chromium ions; cobalt ferrite; membrane ... See more keywords
Efficient and selective sequestration of perfluorinated compounds and hexavalent chromium ions using a multifunctional spinel matrix decorated carbon backbone N-rich polymer and their mechanistic investigations
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.115336
Abstract: Abstract The removal of emerging contaminants including heavy metals and perfluorinated compounds has been an increasing concern globally due to their harmful effects on human health and other creatures in the environment. Mixtures of perfluorinated… read more here.
Keywords: hexavalent chromium; pani; chromium ions; perfluorinated compounds ... See more keywords
Magnetic nanostructures for preconcentration, speciation and determination of chromium ions: A review.
Sign Up to like & getrecommendations! Published in 2019 at "Talanta"
DOI: 10.1016/j.talanta.2019.05.061
Abstract: Magnetic nanoparticles based solid-phase extraction is a new analytical technique based on the use of magnetic sorbents for the preconcentration and quantification of different inorganic and organic species. The present review concentrates on recent developments… read more here.
Keywords: chromium ions; preconcentration; speciation; magnetic nanostructures ... See more keywords
Revisiting Y3Al5-xGaxO12 Solid Solutions Doped with Chromium Ions: Effect of Local Symmetry on Thermal Quenching of Cr3+ and Cr4+ Ions
Sign Up to like & getrecommendations! Published in 2023 at "ECS Journal of Solid State Science and Technology"
DOI: 10.1149/2162-8777/acd80e
Abstract: The oxidation of chromium ions to the 4+ state in phosphors doped with Cr3+ ions is often considered negative due to the activation of the parasitic Cr3+→Cr4+ luminescence quenching channel. Here, we report on a… read more here.
Keywords: cr4 ions; cr4; cr3 cr4; chromium ions ... See more keywords
Granulation of Nickel–Aluminum–Zirconium Complex Hydroxide Using Colloidal Silica for Adsorption of Chromium(VI) Ions from the Liquid Phase
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27082392
Abstract: We combined a nickel–aluminum–zirconium complex hydroxide (NAZ) with colloidal silica as a binder to prepare a granulated agent for adsorbing heavy metals from aqueous media. Three samples with different particle diameters were prepared to evaluate… read more here.
Keywords: chromium ions; adsorption; zirconium complex; nickel aluminum ... See more keywords
Efficient Adsorption of Chromium Ions from Aqueous Solutions by Plant-Derived Silica
Sign Up to like & getrecommendations! Published in 2022 at "Molecules"
DOI: 10.3390/molecules27134171
Abstract: Nowadays, there is great interest in the use of plant waste to obtain materials for environmental protection. In this study, silica powders were prepared with a simple and low-cost procedure from biomass materials such as… read more here.
Keywords: efficient adsorption; derived silica; chromium ions; plant ... See more keywords
Adsorption of Chromium (III) and Chromium (VI) Ions from Aqueous Solution Using Chitosan–Clay Composite Materials
Sign Up to like & getrecommendations! Published in 2024 at "Polymers"
DOI: 10.3390/polym16101399
Abstract: In this work, biopolymer chitosan and natural clay were used to obtain composite materials. The overall aim of this study was to improve the properties (porosity, thermal stability and density) of pure chitosan beads by… read more here.
Keywords: chromium ions; iii; adsorption; clay ... See more keywords