Results 1 to 10 of about 8,585,015 (201)

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   +3 more sources

Pemisahan krom pada limbah cair industri penyamakan kulit menggunakan gelatin dan flokulan anorganik [PDF]

open access: yesMajalah Kulit, Karet, dan Plastik, 2016
The aim of the study was to determine the ability of gelatin, ferrous sulfate, aluminium sulfate, and combination of gelatin with ferrous sulfate or aluminium sulfate for total chromium content (trivalent chromium and hexavalent chromium) separation ...
Sugihartono
doaj   +2 more sources

RICE BRAN CARBON: AN ALTERNATIVE TO COMMERCIAL ACTIVATED CARBON FOR THE REMOVAL OF HEXAVALENT CHROMIUM FROM AQUEOUS SOLUTION [PDF]

open access: yesBioResources, 2010
Rice bran carbon (RBC) prepared from rice bran (an agricultural waste) was successfully utilized for the removal of hexavalent chromium from aqueous solution.
Syed Hadi Hasan, Deeksha Ranjan
doaj   +1 more source

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

Influence of organic chromium supplementation on the performance of beef calves undergoing weaning-related stress [PDF]

open access: yesPesquisa Veterinária Brasileira, 2020
: Dietary chromium supplementation before, during, and after weaning was conducted to evaluate the hypothesis that chromium supplementation could reduce weaning-induced cortisol release in beef calves.
Isadora K.F. Sousa   +6 more
doaj   +1 more source

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