Results 1 to 10 of about 75,638 (165)

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]

open access: yesPLoS 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

Cromo (III), cromo (VI) e cromo total em alguns vinhos brasileiros Chromium (III), chromium (VI) and total chromium in some brazilian wines

open access: yesCiência 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

open access: yesJournal 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

open access: yesApplied 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
doaj   +1 more source

Chromium Recovery from Chromium-Loaded Cupressus lusitanica Bark in Two-Stage Desorption Processes

open access: yesPlants, 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

Removal Efficiency of Total Chrome (Cr-T) from Textile Industry Wastewater PT. X with Sodium Bentonite Using the Adsorption Method

open access: yesJurnal 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

Use of the Biochar Obtained by Slow Pyrolysis from Ulex Europaeus in the Removal of Total Chromium from the Bogotá-colombia River Water

open access: yesChemical 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
doaj   +1 more source

Effect of the Temperature on chromium precipitation in faucets [PDF]

open access: yesE3S Web of Conferences, 2021
The research was studying the chromium precipitation in faucets which were extracted at ambient temperature of 20 ºC, 40 ºC and 60 ºC by extraction solution, the results showed that in general, the chromium extraction in the faucets increased as the ...
Tingting Huang
doaj   +1 more source

EFFECT OF CHROMIUM METHIONINE SUPPLEMENTATION ON MILK PRODUCTION, COMPOSITION AND SOME BLOOD METABOLITES OF LACTATING BUFFALOES [PDF]

open access: yesJournal of Animal and Poultry Production, 2012
This experiment was conducted to study the effect of chromium supplementation on performance and blood serum biochemistry of lactating buffaloes.  Therefore, thirty lactating buffaloes (aged 3-6 years, average body weight 567± 22.78 kg) were equally ...
A. Baiomy
doaj   +1 more source

Effect of Azolla Imbricata and Spirodela Polyrrhiza on Chromium(VI) Removal and Power Generation in a Plant Microbial Fuel Cell

open access: yesInternational 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

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