Adsorption dynamics of cobalt [Co(ii)] on rubber granules
Source: International Journal of Environment and Waste Management, Volume 5, Numbers 1-2, 1 December 2009 , pp. 93-103(11)
Publisher: Inderscience Publishers
Abstract:The removal kinetics of Co(II) by waste tyre rubber granules was deliberated. Rubber granules (150300 µm) were used as sorbent. At the 4 mg/l and 15 g/l concentrations of Co(II) and adsorbent respectively, 83.2% removal was found in 180 min. Reaction kinetic followed a second order equation that was applied for the analysis of rate constant. At 30°C, rate constant was calculated to be 1.25 × 10−2 min−1. Among different isotherm models, the Freundlich model was found to produce a better regression coefficient. Removal of Co(II) was found to be pH dependent.
Document Type: Research Article
Affiliations: 1: Department of Civil and Environmental Engineering, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh. 2: SA Centre for Water Management and Reuse, University of South Australia, Mawson Lakes, SA 5095, Australia. 3: Grameen Health Care Services Ltd., Grameen Bank Bhaban, Dhaka 1216, Bangladesh
Publication date: December 1, 2009
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