<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Spirulina platensis biomass is widely applied for different technological purposes. The process of lanthanum, chromium, uranium and vanadium accumulation and biosorption by Spirulina platensis biomass from single- and multi-component systems was studied. The influence of multi-component system on the spirulina biomass growth was less pronounced in comparison with the single-component ones. To trace the uptake of metals by spirulina biomass the neutron activation analysis was used. In the experiment on the accumulation the efficiency of studied metal uptake changes in the following order: La(V) > Cr(III) > U(VI) > V(V) (single-metal solutions) and Cr(III) > La(V) > V(V) > U(VI) (multi-metal system). The process of metals biosorption was studied during a two-hour experiment. The highest rate of metal adsorption for single-component systems was observed for lanthanum and chromium. While for the multi-component system the significant increase of vanadium and chromium content in biomass was observed. In biosorption experiments the rate of biosorption and the K<sub>d</sub> value were calculated for each metal. Fourier transform infrared spectroscopy was used to identify functional groups responsible for metal binding. The results of the present work show that spirulina biomass can be implemented as a low-cost sorbent for metal removal from industrial wastewater.</p></abstract>

Spirulina platensis biomass is widely applied for different technological purposes. The process of lanthanum, chromium, uranium and vanadium accumulation and biosorption by Spirulina platensis biomass from single- and multi-component systems was studied. The influence of multi-component system on the spirulina biomass growth was less pronounced in comparison with the single-component ones. To trace the uptake of metals by spirulina biomass the neutron activation analysis was used. In the experiment on the accumulation the efficiency of studied metal uptake changes in the following order: La(V) > Cr(III) > U(VI) > V(V) (single-metal solutions) and Cr(III) > La(V) > V(V) > U(VI) (multi-metal system). The process of metals biosorption was studied during a two-hour experiment. The highest rate of metal adsorption for single-component systems was observed for lanthanum and chromium. While for the multi-component system the significant increase of vanadium and chromium content in biomass was observed. In biosorption experiments the rate of biosorption and the Kd value were calculated for each metal. Fourier transform infrared spectroscopy was used to identify functional groups responsible for metal binding. The results of the present work show that spirulina biomass can be implemented as a low-cost sorbent for metal removal from industrial wastewater.

Uptake of Metals from Single and Multi-Component Systems by Spirulina Platensis Biomass

Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 141980 Dubna

Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, 30 Reactorului Str. MG-6, Bucharest - Magurele,

Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 31 Leninsky prospect, Moscow GSP-1, 119071,

Institute of Microbiology and Biotechnology of the Academy of Science of Moldova, 1, Academiei Str., 2028 Chisinau,

Joint Institute for Nuclear Research, Joliot-Curie Str., 6, 141980 Dubna,

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Spirulina platensis biomass is widely applied for different technological purposes. The process of lanthanum, chromium, uranium and vanadium accumulation and...

Uptake of Metals from Single and Multi-Component Systems by Spirulina Platensis Biomass

Data publikacji: 20 paź 2016

Zakres stron: 401 - 412

DOI: https://doi.org/10.1515/eces-2016-0028

Słowa kluczowe
biosorption, bioaccumulation, chromium, FT-IR spectroscopy, lanthanum, vanadium, uranium, neutron activation analysis, Spirulina platensis

© by Inga Zinicovscaia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Uptake of Metals from Single and Multi-Component Systems by Spirulina Platensis Biomass

Data publikacji: 20 paź 2016

Zakres stron: 401 - 412

DOI: https://doi.org/10.1515/eces-2016-0028

Słowa kluczowebiosorption, bioaccumulation, chromium, FT-IR spectroscopy, lanthanum, vanadium, uranium, neutron activation analysis, Spirulina platensis

© by Inga Zinicovscaia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Słowa kluczowe
biosorption, bioaccumulation, chromium, FT-IR spectroscopy, lanthanum, vanadium, uranium, neutron activation analysis, Spirulina platensis