Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 175, Issue 1-3, Pages 298-303Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2009.10.003
Keywords
Bamboo waste; Granular activated carbon; Reactive dye; Fixed-bed column; Adsorption; Breakthrough
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Funding
- Universiti Sains Malaysia under the Research University (RU) Scheme [1001/PJKIMIA/814005]
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In this work, the adsorption potential of bamboo waste based granular activated carbon (BGAC) to remove C.I. Reactive Black (RB5) from aqueous solution was investigated using fixed-bed adsorption column. The effects of inlet RB5 concentration (50-200 mg/L), feed flow rate (10-30 mL/min) and activated carbon bed height (40-80mm) on the breakthrough characteristics of the adsorption system were determined. The highest bed capacity of 39.02 mg/g was obtained using 100 mg/L inlet dye concentration, 80 mm bed height and 10 mL/min flow rate. The adsorption data were fitted to three well-established fixed-bed adsorption models namely, Adam's-Bohart, Thomas and Yoon-Nelson models. The results fitted well to the Thomas and Yoon-Nelson models with coefficients of correlation R-2 >= 0.93 at different conditions. The BGAC was shown to be suitable adsorbent for adsorption of RB5 using fixed-bed adsorption column. (C) 2009 Elsevier B.V. All rights reserved.
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