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Biosorption Capacity for Cadmium of Brown Seaweed Sargassum sinicola and Sargassum lapazeanum in the Gulf of California
MONICA PATRON PRADO
MARIA MARGARITA CASAS VALDEZ
Elisa Serviere Zaragoza
TANIA ZENTENO SAVIN
Daniel Bernardo Lluch Cota
Lía Celina Méndez Rodríguez
Acceso Abierto
Atribución-NoComercial-SinDerivadas
DOI: 10.1007/s11270-011-0776-y
URL: https://link.springer.com/article/10.1007/s11270-011-0776-y
ISSN: 1573-2932
Alginate, Biosorption, Cadmium, Gulf of California, Sargassum
"Brown algae Sargassum sinicola and Sargassum lapazeanum were tested as cadmium biosorbents in coastal environments close to natural and enriched areas of phosphorite ore. Differences in the concentration of cadmium in these brown algae were found, reflecting the bioavailability of the metal ion in seawater at several sites. In the laboratory, maximum biosorption capacity (q max) of cadmium by these nonliving algae was determined according to the Langmuir adsorption isotherm as 62.42 ± 0.44 mg g−1 with the affinity constant (b) of 0.09 and 71.20 ± 0.80 with b of 0.03 for S. sinicola and S. lapazeanum, respectively. Alginate yield was 19.16 ± 1.52% and 12.7 ± 1.31%, respectively. Although S. sinicola had far lower biosorption capacity than S. lapazeanum, the affinity for cadmium for S. sinicola makes this alga more suitable as a biosorbent because of its high q max and large biomass on the eastern coast of the Baja California Peninsula. Sargassum biomass was estimated at 180,000 t, with S. sinicola contributing to over 70%."
Springer
2011
Artículo
Water, Air, & Soil Pollution
Inglés
Patrón-Prado, M., Casas-Valdez, M., Serviere-Zaragoza, E. et al. Biosorption Capacity for Cadmium of Brown Seaweed Sargassum sinicola and Sargassum lapazeanum in the Gulf of California. Water Air Soil Pollut 221, 137–144 (2011). https://doi.org/10.1007/s11270-011-0776-y
ALGOLOGÍA (FICOLOGÍA)
Versión publicada
publishedVersion - Versión publicada
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