期刊
BIORESOURCE TECHNOLOGY
卷 99, 期 17, 页码 8101-8106出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2008.03.035
关键词
biosorption; binary systems; heavy metals; Langmuir isotherm; orange wastes
资金
- Spanish Ministry of Science and Technology
The biosorption of several metals (Cd2+, Zn2+, and Pb2+) by orange wastes has been investigated in binary systems. Multicomponent sorption isotherms were obtained using an original procedure, similar to that proposed by Pagnanelli et al. [Pagnanelli, F., Petrangeli, M.P., Toro, L., Trifoni, M., Veglic, F., 2001a. Biosorption of metal ions on Arthrobacter sp.: biomass characterization and biosorption modelling. Environ. Sci. Technol. 34, 2773-2778] for monoelement systems, known as subsequent addition method (SAM). Experimental sorption data were analysed using an extended multicomponent Langmuir equation. The maximum sorption uptake was approximately 0.25 mmol/g for the three binary systems studied. The reliability of the proposed procedure for obtaining the equilibrium data in binary systems was verified by means of a statistical F-test. (C) 2008 Elsevier Ltd. All rights reserved.
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