<abstract xmlns="http://www.w3.org/1999/xhtml">The biosorption of lithium from batch systems by <italic>Arthrospira</italic> (<italic>Spirulina</italic>) <italic>platensis</italic> biomass was studied. Adsorption capacity of the biosorbent was investigated as a function of contact time, initial metals concentration and pH values. Lithium content in biomass was determined using Proton Induced Gamma Emission technique. The ability of spirulina biomass for lithium biosorption showed a maximum at the pH = 11. Equilibrium data fitted well with the Langmuir model with maximum adsorption capacity of 1.75 mg/g, while the kinetic data were best described using the pseudo second-order kinetic model. The IR spectrum of the Li-loaded biomass revealed that lithium ions could be primarily bind to –OH, –COOH, –NH, –NH2, and –NH3 groups present on biosorbent surface. <italic>Arthrospira platensis</italic> biomass could be applied as environmentally friendly sorbent for lithium removal from wastewater.</abstract>

The biosorption of lithium from batch systems by Arthrospira (Spirulina) platensis biomass was studied. Adsorption capacity of the biosorbent was investigated as a function of contact time, initial metals concentration and pH values. Lithium content in biomass was determined using Proton Induced Gamma Emission technique. The ability of spirulina biomass for lithium biosorption showed a maximum at the pH = 11. Equilibrium data fitted well with the Langmuir model with maximum adsorption capacity of 1.75 mg/g, while the kinetic data were best described using the pseudo second-order kinetic model. The IR spectrum of the Li-loaded biomass revealed that lithium ions could be primarily bind to –OH, –COOH, –NH, –NH2, and –NH3 groups present on biosorbent surface. Arthrospira platensis biomass could be applied as environmentally friendly sorbent for lithium removal from wastewater.

Lithium Biosorption by <italic>Arthrospira</italic> (<italic>Spirulina</italic>) Platensis Biomass

Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering

Department of Environmental Management, Faculty of Management

Ecological Chemistry and Engineering S

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Lithium Biosorption by  () Platensis Biomass

The biosorption of lithium from batch systems by Arthrospira (Spirulina) platensis biomass was studied. Adsorption capacity of the biosorbent was investigated...

Lithium Biosorption by Arthrospira (Spirulina) Platensis Biomass

Pubblicato online: 17 lug 2020

Pagine: 271 - 280

DOI: https://doi.org/10.2478/eces-2020-0017

Parole chiave
biosorption, lithium, PIGE technique, FT-IR spectroscopy

© 2020 Inga Zinicovscaia et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Lithium Biosorption by Arthrospira (Spirulina) Platensis Biomass

Pubblicato online: 17 lug 2020

Pagine: 271 - 280

DOI: https://doi.org/10.2478/eces-2020-0017

Parole chiavebiosorption, lithium, PIGE technique, FT-IR spectroscopy

© 2020 Inga Zinicovscaia et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
biosorption, lithium, PIGE technique, FT-IR spectroscopy