期刊
BIORESOURCE TECHNOLOGY
卷 103, 期 1, 页码 489-493出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.10.016
关键词
Heavy metals; Green algae waste biomass; Biosorption; Kinetics; Isotherm
资金
- Romanian Education and Research Ministry [PN II 52-141/2008]
The biosorption of Pb(II), Cd(II), and Co(II), respectively, from aqueous solution on green algae waste biomass was investigated. The green algae waste biomass was obtained from marine green algae after extraction of oil, and was used as low-cost biosorbent. Batch shaking experiments were performed to examine the effects of initial solution pH, contact time and temperature. The equilibrium biosorption data were analyzed using two isotherm models (Langmuir and Freundlich) and two kinetics models (pseudo-first order and pseudo-second order). The results indicate that Langmuir model provide best correlation of experimental data, and the pseudo-second order kinetic equation could best describe the biosorption kinetics of considered heavy metals. (C) 2011 Elsevier Ltd. All rights reserved.
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