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  • Title: Removal of lead from aqueous solution by activated carbon prepared from Enteromorpha prolifera by zinc chloride activation.
    Author: Li Y, Du Q, Wang X, Zhang P, Wang D, Wang Z, Xia Y.
    Journal: J Hazard Mater; 2010 Nov 15; 183(1-3):583-9. PubMed ID: 20709449.
    Abstract:
    Activated carbon was prepared from Enteromorpha prolifera (EP) by zinc chloride activation. The physico-chemical properties of EP-activated carbon (EPAC) were characterized by thermal stability, zeta potential and Boehm titration methods. The examination showed that EPAC has a porous structure with a high surface area of 1688 m(2)/g. Batch adsorption experiments were carried out to study the effect of various parameters such as initial pH, adsorbent dosage, contact time and temperature on Pb(II) ions adsorption properties by EPAC. The kinetic studies showed that the adsorption data followed a pseudo second-order kinetic model. The isotherm analysis indicated that the adsorption data can be represented by Freundlich isotherm model. Thermodynamic studies indicated that the adsorption reaction was a spontaneous and endothermic process.
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