6533b821fe1ef96bd127c3c6
RESEARCH PRODUCT
Sorption properties of algae Spirogyra sp. and their use for determination of heavy metal ions concentrations in surface water.
Maria WacławekAndrzej KłosMałgorzata Rajfursubject
CadmiumAqueous solutionMetal ions in aqueous solutionInorganic chemistryBiophysicschemistry.chemical_elementLangmuir adsorption modelWaterSorptionGeneral MedicineManganeseSpirogyraCopperIonSolutionssymbols.namesakeKineticschemistryCationsMetals HeavyElectrochemistrysymbolsAdsorptionPhysical and Theoretical Chemistrydescription
Abstract Kinetics of heavy-metal ions sorption by alga Spirogyra sp. was evaluated experimentally in the laboratory, using both the static and the dynamic approach. The metal ions – Mn2+, Cu2+, Zn2+ and Cd2+ – were sorbed from aqueous solutions of their salts. The static experiments showed that the sorption equilibria were attained in 30 min, with 90-95% of metal ions sorbed in first 10 min of each process. The sorption equilibria were approximated with the Langmuir isotherm model. The algae sorbed each heavy metal ions proportionally to the amount of this metal ions in solution. The experiments confirmed that after 30 min of exposition to contaminated water, the concentration of heavy metal ions in the algae, which initially contained small amounts of these metal ions, increased proportionally to the concentration of metal ions in solution. The presented results can be used for elaboration of a method for classification of surface waters that complies with the legal regulations.
year | journal | country | edition | language |
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2010-11-01 | Bioelectrochemistry (Amsterdam, Netherlands) |