Removal of lead from aqueous solutions on palm shell activated carbon

Issabayeva, G. and Aroua, M.K. and Sulaiman, N.M.N. (2006) Removal of lead from aqueous solutions on palm shell activated carbon. Bioresource Technology, 97 (18). pp. 2350-2355. ISSN 0960-8524, DOI

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The performance of a commercially available palm shell based activated carbon to remove lead ions from aqueous solutions by adsorption was evaluated. The adsorption experiments were carried out at pH 3.0 and 5.0. The effect of malonic and boric acid presence on the adsorption of lead ions was also studied. Palm shell activated carbon showed high adsorption capacity for lead ions, especially at pH 5 with an ultimate uptake of 95.2 mg/g. This high uptake showed palm shell activated carbon as amongst the best adsorbents for lead ions. Boric acid presence did not affect significantly lead uptake, whereas malonic acid decreased it. The diffuse layer surface complexation model was applied to predict the extent of adsorption. The model prediction was found to be in concordance with the experimental values.

Item Type: Article
Additional Information: Cited By (since 1996):67 Export Date: 21 April 2013 Source: Scopus CODEN: BIRTE :doi 10.1016/j.biortech.2005.10.023 PubMed ID: 16321520 Language of Original Document: English Correspondence Address: Aroua, M.K.; Chemical Engineering Department, University Malaya, 50603 Kuala Lumpur, Malaysia; email: : Chemicals/CASactivated carbon, 64365-11-3, 82228-96-4; boric acid, 10043-35-3, 11113-50-1, 11129-12-7, 14213-97-9; lead, 13966-28-4, 7439-92-1; malonic acid, 141-82-2, 156-80-9; Boric Acids; Charcoal, 16291-96-6; Lead, 7439-92-1; Malonates; boric acid, 11113-50-1; malonic acid, 141-82-2 References: Abdel-Halim, S.H., Shehata, A.M.A., El-Shahat, M.F., Removal of lead ions from industrial waste water by different types of natural materials (2003) Water Res., 37, pp. 1678-1683; Boehm, H.P., Some aspects of the surface chemistry of carbon blacks and other carbons (1994) Carbon, 32 (5), pp. 759-769; Chen, J.P., Lin, M.S., Equilibrium and kinetics metal ion adsorption onto a commercial H-type granular activated carbon: experimental and modeling studies (2001) Water Res., 2 (35), pp. 2385-2394; Chen, J.P., Wang, X., Removing copper, zinc, and lead ion by granular activated carbon in pretreated fixed-bed columns (2002) Sep. 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Uncontrolled Keywords: Adsorption; Boric acid; Lead; Malonic acid; Modeling; Palm shell carbon; Model predictions; Surface complexation; Activated carbon; Computer simulation; Forestry; pH effects; Solutions; Phase separation; adsorbent; carbon; pH; aqueous solution; article; priority journal; Arecaceae; Boric Acids; Charcoal; Hydrogen-Ion Concentration; Malonates; Models; Theoretical; Waste Disposal; Fluid; Separation.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 17 Jul 2013 07:57
Last Modified: 11 Dec 2013 02:57

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