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- W4387394054 endingPage "111202" @default.
- W4387394054 startingPage "111202" @default.
- W4387394054 abstract "In order to abide the regulations put forth by World Health Organization (WHO), it is imperative to employ innovative technique to eliminate arsenic from ground drinking water. The effective material sorbents are desperately needed to eliminate arsenic present in drinking water. In this work, we have tuned rutile TiO2 surfaces with nominal ratios of palladium and rubidium oxide cocatalysts via co-precipitation method. Firstly, As (III) contents were converted to As (V) by photo oxidation reaction (POR) and then As (V) contents were removed by adsorption over Pd/Rb2O@TiO2 surfaces. The morphology, optical characteristics and structural features were obtained by XRD, Raman, UV-Vis/DRS, SEM, PL and TGA analysis. The surface characteristics and chemical compositions of Pd/Rb2O@TiO2 were obtained using TEM and XPS analysis. Arsenic contaminated water samples were collected from Hasilpur Tehsil (Punjab/Pakistan). The mechanism of As (III) to As (V) conversion, adsorption kinetic for pseudo-second-order (R2꞊0.99919), and the Langmuir adsorption isotherm kinetic model (R2꞊0.98906) patently provided the significant clarifications. Spontaneous arsenic adsorption has been determined (ΔG=−12.52 KJ/mol), which addressed the substantial columbic interactions between adsorbate and substrate. The utilization of titania based sorbent appears to be a viable option for arsenic removal form ground drinking water due to its nontoxic nature, dual feature (photocatalysis and adsorption), easy accessibility in large quantity and low cost. Our results depict that, 50 mg of Pd/Rb2O@TiO2 is enough to remove 99% arsenic present in contaminated water." @default.
- W4387394054 created "2023-10-07" @default.
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- W4387394054 date "2023-10-01" @default.
- W4387394054 modified "2023-10-18" @default.
- W4387394054 title "Surface sensitization of TiO2 via Pd/Rb2O cocatalysts: mechanistic insights to the arsenic elimination from ground drinking water†" @default.
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- W4387394054 doi "https://doi.org/10.1016/j.jece.2023.111202" @default.
- W4387394054 hasPublicationYear "2023" @default.
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