Cr(VI) Sorption/Desorption on Pine Sawdust and Oak Wood Ash
AbstractThe objective of this work was to study Cr(VI) sorption/desorption on two by-products from the wood industry: pine sawdust and oak wood ash. The retention/release experiments were carried out using standard batch-type trials. In the sorption-phase experiments, pine sawdust showed 23% sorption when a concentration of 100 mg Cr(VI)L−1 was added, whereas sorption on oak wood ash was 17%. In the desorption-phase, chromium release was clearly higher from pine sawdust than from oak wood ash (98% and 66%, respectively). Sorption curves were well fitted to the Freundlich and Lineal models. In view of the results, both materials can be considered of very limited value to remove Cr from polluted soil and water, which can be of relevance regarding its appropriate use as biosorbents and recycled by-products. View Full-Text
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Núñez-Delgado, A.; Fernández-Sanjurjo, M.J.; Álvarez-Rodríguez, E.; Cutillas-Barreiro, L.; Nóvoa-Muñoz, J.; Arias-Estévez, M. Cr(VI) Sorption/Desorption on Pine Sawdust and Oak Wood Ash. Int. J. Environ. Res. Public Health 2015, 12, 8849-8860.
Núñez-Delgado A, Fernández-Sanjurjo MJ, Álvarez-Rodríguez E, Cutillas-Barreiro L, Nóvoa-Muñoz J, Arias-Estévez M. Cr(VI) Sorption/Desorption on Pine Sawdust and Oak Wood Ash. International Journal of Environmental Research and Public Health. 2015; 12(8):8849-8860.Chicago/Turabian Style
Núñez-Delgado, Avelino; Fernández-Sanjurjo, María J.; Álvarez-Rodríguez, Esperanza; Cutillas-Barreiro, Laura; Nóvoa-Muñoz, JuanCarlos; Arias-Estévez, Manuel. 2015. "Cr(VI) Sorption/Desorption on Pine Sawdust and Oak Wood Ash." Int. J. Environ. Res. Public Health 12, no. 8: 8849-8860.