alexa Equilibrium and kinetics studies of heavy metal ions biosorption on green algae waste biomass.
Environmental Sciences

Environmental Sciences

Journal of Bioremediation & Biodegradation

Author(s): Bulgariu D, Bulgariu L

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Abstract 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. Copyright © 2011 Elsevier Ltd. All rights reserved. This article was published in Bioresour Technol and referenced in Journal of Bioremediation & Biodegradation

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