Results 11 to 20 of about 6,726,698 (289)
Hexavalent chromium removal and total chromium biosorption from aqueous solution by Quercus crassipes acorn shell in a continuous up-flow fixed-bed column: Influencing parameters, kinetics, and mechanism. [PDF]
PLoS ONE, 2020 Continuous fixed-bed column studies were carried out, utilizing acorn shell from Quercus crassipes Humb. & Bonpl. (QCS), in order to remove total chromium and Cr(VI) from aqueous solution.
Erick Aranda-García +1 more
doaj +2 more sources
Ciência Rural, 1995 Cromo(III), Cromo(VI) e Cromo total foram analisados em cento e quatro (104) vinhos comerciais brasileiros, brancos, rosados e tintos. Espectrometria de absorção atômica em forno de grafite foi utilizada nas determinações.
Carlos Eugênio Daudt, Marta Weber Canto
doaj +2 more sources
Biostabilization of Tannery Sludge Compost by Vermicomposting
Journal of Agricultural Sciences, 2022 The aim of this study is to investigate the stabilization of tannery sludge compost mixed with cattle manure at the different ratios by employing an epigeic earthworm Eisenia foetida and bioaccumulation of Cr in tannery sludge by earthworms.
Nur Okur +2 more
doaj +1 more source
Performance of the Dual-Chamber Fungal Fuel Cell in Treating Tannery Wastewater
Applied Sciences, 2023 Fungi are typically expressed as excellent microorganisms that produce extracellular enzymes used in the bioaccumulation phenomenon. In this study, laboratory-scale dual-chamber fungal fuel cells (FFCs) were applied as an alternate approach for the ...
Mohamed S. Mahmoud +8 more
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Chromium Recovery from Chromium-Loaded Cupressus lusitanica Bark in Two-Stage Desorption Processes
Plants, 2023 Hexavalent chromium (Cr(VI)) contamination poses serious health and environmental risks. Chromium biosorption has been employed as an effective means of eradicating Cr(VI) contamination.
Alma Rosa Netzahuatl-Muñoz +2 more
doaj +1 more source
Reactivity difference between protolytic forms of some macrocyclic chromium(III) complexes in ligand substitution and electron transfer processes [PDF]
, 2010 The review provides insight into the mechanism of ligand substitution and electron transfer (from chromium( III) to iron(III)) by comparison of the reactivity of some tetraazamacrocyclic chromium(III) complexes in the conjugate acid-base forms.
Topolskia, Adrian +7 more
core +4 more sources
Jurnal Presipitasi, 2023 As much as 10-50% of dye wastewater from the dyeing process is discharged directly into the environment. Chromium is the metal most often found in textile industry wastewater, one of which comes from dyes of the Congo Red type, so processing is required.
Etih Hartati +2 more
doaj +1 more source
Chemical Engineering Transactions, 2021 This paper explores the use of biochar obtained from the pyrolysis of Ulex Europaeus, an invasive species in the mountain ecosystems of Colombia, for the removal of total chromium from the water. The investigation was developed in two phases.
Katalina Gomez +2 more
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Investigation of electroless nickel undercoat for duplex nickel chromium electrodeposition onto aluminium and its alloys [PDF]
, 2009 A thesis submitted in partial fulfillment of the requirement of the University of Wolverhampton for the Degree of Master of Philosophy.The study investigates the deposition of a multilayer coating onto two aluminium alloys: Al 1050 and Al 6061.
Khan, Muhammad Enam
core +3 more sources
International Journal of Electrochemical Science, 2021 In this study, we performed a remediation of hexavalent chromium-contaminated soil within a constructed plant microbial fuel cell and vary the voltage to study its power generation stability.
Hong Ye, Guangming Yang
doaj +1 more source