Characterization of Sargassum sp. from Brazil and Evaluation of Cu2+ and Ni2+ Biosorption
| Autor: | Meuris Gurgel Carlos da Silva, Eric Guibal, Sirlei Jaiana Kleinübing |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
inorganic chemicals
General Engineering Biosorption Analytical chemistry chemistry.chemical_element Langmuir adsorption model Ether Homogeneous distribution Copper Nickel chemistry.chemical_compound symbols.namesake Adsorption chemistry symbols Fourier transform infrared spectroscopy Nuclear chemistry |
| Zdroj: | Advanced Materials Research. :589-592 |
| ISSN: | 1662-8985 |
| DOI: | 10.4028/www.scientific.net/amr.71-73.589 |
| Popis: | Fundamental investigation on adsorption of Cu2+ and Ni2+ ions on Sargassum sp. was performed in fixed-bed column. The Langmuir isotherm fitted well the biosorption equilibrium and the maximum Cu2+ and Ni2+ uptake capacities were 1.35 and 1.06 mmolg- 1, respectively. Mappings of copper and nickel in the algae surface using energy dispersive X-ray spectroscopy indicated a homogeneous distribution of Cu- and Niadsorbent sites. Fourier-transform infrared analysis revealed that the main chemical groups involved in the copper and nickel biosorption were carboxyl, ether, alcoholic, amino, and sulphonic groups. |
| Databáze: | OpenAIRE |
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