Removal of uranyl ions from UO2(NO3)2 solution by means of Chlorella vulgaris and Dunaliella salina algae

• Authors: Alexandru Cecal , Doina Humelnicu , Valeriu Rudic , Liliana Cepoi , Angela Cojocari
• Languages of publication: EN

Abstracts

EN

This paper deals with a study of the biosorption of UO22+ ions on two green algae: Chlorella vulgaris and Dunaliella salina. By investigating the retention degree versus contact time from Langmuir and Freundlich biosorption isotherms, kinetic investigations and FTIR spectra it was found that the biosorption process was greater for Chlorella vulgaris than for Dunaliella salina. A new kinetics method is proposed to establish the reaction order concerning the biosorption process of uranyl ions on these biomasses. [...]

Keywords

EN

Alga; Biosorption; Isotherms; Uranyl ions

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2012
• Volume: 10
• Issue: 5
• Pages: 1669-1675

Dates

published

1 - 10 - 2012

online

21 - 7 - 2012

Contributors

author

Alexandru Cecal

• Faculty of Chemistry, ”Alexandru Ioan Cuza” University, Iasi, 700506, Romania

author

Doina Humelnicu

• Faculty of Chemistry, ”Alexandru Ioan Cuza” University, Iasi, 700506, Romania

author

Valeriu Rudic

• Institute of Microbiology, Science Academy of Moldova Republic, Chisinau, Moldova Republic

author

Liliana Cepoi

• Institute of Microbiology, Science Academy of Moldova Republic, Chisinau, Moldova Republic

author

Angela Cojocari

• Institute of Microbiology, Science Academy of Moldova Republic, Chisinau, Moldova Republic

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Identifiers

DOI

10.2478/s11532-012-0092-4