Search
Now showing items 1271-1280 of 1302
Europium removal from aqueous solutions by oxidized biochar prepared from waste palm tree fronds
(Elsevier, 2023)
Palm oil is a product of major economic importance worldwide however, palm tree cultivation generates large quantities of palm fronds as waste. In this work, the sorption of Eu3+ from aqueous solutions by oxidized biochar ...
3D Composite U(VI) Adsorbents Based on Alginate Hydrogels and Oxidized Biochar Obtained from Luffa cylindrica
(MDPI, 2023)
3D naturally derived composites consisting of calcium alginate hydrogels (CA) and oxidized biochar obtained from Luffa cylindrica (ox-LC) were synthesized and further evaluated as adsorbents for the removal of U(VI) from ...
Radiometric analysis of potassium, radium and uranium levels in Brazil nuts
(Springer, 2023)
The paper describes an alternative approach for the determination of uranium, radium-226 and potassium levels in Brazil nuts. Potassium analysis was performed by a NaI detector using 1-gram of nut’s ashes, radium analysis ...
Adsorption of Reactive Red 120 Dye by Polyamide Nylon 6 Microplastics: Isotherm, Kinetic, and Thermodynamic Analysis
(MDPI, 2023)
In this work, we investigated the effect of various adsorption parameters (solution pH, temperature, contact time, and the presence of phosphate and nitrate ions) on the adsorption of Reactive Red 120 (RR120) dye by Polyamide ...
The effect of temperature on the U-232 and Am-241 adsorption by PN6 microplastics in aqueous solutions
(Global NEST, 2023)
The effect of temperature on the adsorption of U-232 and Am-241 by PN6 has been investigated in laboratory and environmental water samples (e.g. seawater and waste water) in the picomolar concentration range. Generally, ...
Polonium removal from waters by silver-coated Luffa Cylindrica biochar fibers
(Springer, 2023)
The sorption of ultra-trace levels of polonium by Luffa Cylindrica biochar fibers has been investigated in de-ionized water and seawater samples prior and after surface modification (Ag-coating) of the adsorbent. The effect ...
Effective Th(IV) adsorption by oxidized biochar prepared from palm tree fibers
(Springer, 2023)
The removal of Th(IV) from aqueous solutions by oxidized biochar fibres derived from palm tree fibers has been investigated at pH 3 and under ambient conditions by batch type experiments and FTIR spectroscopy. The experimental ...
Uranium desorption from microplastic surfaces
(Springer, 2023)
The desorption of uranium from microplastic surfaces has been investigated as a function of pH in aqueous solutions under ambient conditions. In addition, the effect of complexing ligands (e.g. EDTA) on the desorption from ...
2-Dimensional rare earth metal-organic frameworks based on a hexanuclear secondary building unit as efficient detectors for vapours of nitroaromatics and volatile organic compounds
(Royal Society of Chemistry, 2022-06-10)
The synthesis, characterisation and capability to selectively detect vapours of volatile organic compounds (VOCs) and nitroaromatic explosives of a new family of 2-dimensional rare earth (RE) MOFs based on a hexanuclear ...
Novel binuclear antimony(III) halide complexes of 5-methoxy-2-mercaptobenzimidazole: synthesis, structural characterization, and biological studies
(Taylor & Francis Group, 2020-02-01)
The new binuclear antimony(III) complexes corresponding to the formulas [SbCl3(µ2-S)(MtMBZIM)2]2 (1), {[SbBr2(µ2-Br)(MtMBZIM)2]2·H2O} (2) and {[SbI2(µ2-I)(MtMBZIM)2]2·H2O} (3) (MtMBZIM: 5-methoxy-2-mercaptobenzimidazole) ...