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- W2801507029 abstract "Heavy metals can be serious pollutants of natural water bodies causing health risks to humans and aquatic organisms. A study was conducted to remove five heavy metals from water by adsorption onto an iron blast furnace slag and a fly ash in batch experiments. Increase of pH increased adsorption of all metals. Equilibrium adsorption of all metals was successfully modelled using Langmuir, Freundlich and Dubinin-Radushkevich models, with Freundlich model fitting the data the best. Langmuir adsorption maximum at pH 6.5 for fly ash ranged 3.4 - 5.1 mg/g with the adsorption capacity for the metals in the order, Pb > Cu > Cd, Zn, Cr. The corresponding values for furnace slag were 4.3 - 5.2 mg/g, and the order of adsorption capacities, Pb, Cu, Cd > Cr > Zn. The kinetics of adsorption fitted well to both the pseudo-first order and pseudo-second order models, but the fit was slightly better for the pseudo-second order model." @default.
- W2801507029 created "2018-05-17" @default.
- W2801507029 creator A5052624758 @default.
- W2801507029 date "2018-03-19" @default.
- W2801507029 modified "2023-09-25" @default.
- W2801507029 title "ADSORPTIVE REMOVAL OF FIVE HEAVY METALS FROM WATER USING BLAST FURNACE SLAG AND FLY ASH" @default.
- W2801507029 doi "https://doi.org/10.15625/2525-2518/54/2a/11947" @default.
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