Intensification of strontium (II) ion biosorption on Sargassum sp via response surface methodology

A batch system was employed to investigate the biosorption of strontium (II) on Sargassum sp. The biosorption of strontium on Sargassum sp was studied with response surface methodology to determine the combined effect of temperature, initial metal ion concentration, biomass treatment, biosorbent dos...

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Published in:Scientific reports 2023-04, Vol.13 (1), p.5403-14, Article 5403
Main Authors: Soleymani, F., Khani, M. H., Pahlevanzadeh, H., Amini, Younes
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Language:English
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631/45
639/166/898
Adsorption
Algae
Aqueous solutions
Biomass
Biosorption
Dosage
Equilibrium
Experiments
Feasibility studies
Humanities and Social Sciences
Ions
Metal concentrations
Metal ions
Microorganisms
multidisciplinary
Sargassum
Science
Science (multidisciplinary)
Spectrum analysis
Strontium
Temperature effects
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description A batch system was employed to investigate the biosorption of strontium (II) on Sargassum sp. The biosorption of strontium on Sargassum sp was studied with response surface methodology to determine the combined effect of temperature, initial metal ion concentration, biomass treatment, biosorbent dosage and pH. Under optimal conditions, the algae's biosorption capacity for strontium (initial pH 7.2, initial strontium concentration 300 mg/l for Mg-treated biomass and biosorbent dosage 0.1 g in 100 mL metal solution) was measured at 103.95 mg/g. In our analysis, equilibrium data were fitted to Langmuir and Freundlich isotherms. Results show that the best fit is provided by the Freundlich model. Biosorption dynamics analysis of the experimental data indicated that strontium (II) was absorbed into algal biomass in accordance with the pseudo-second-order kinetics model well.
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subjects 631/45
639/166/898
Adsorption
Algae
Aqueous solutions
Biomass
Biosorption
Dosage
Equilibrium
Experiments
Feasibility studies
Humanities and Social Sciences
Ions
Metal concentrations
Metal ions
Microorganisms
multidisciplinary
Sargassum
Science
Science (multidisciplinary)
Spectrum analysis
Strontium
Temperature effects
title Intensification of strontium (II) ion biosorption on Sargassum sp via response surface methodology
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