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Adsorption of Methylene Blue Dye from Wastewater By Spent Tea Leaves | ||
| journal of kerbala university | ||
| Article 1, Volume 9, Issue 1, 2013, Pages 5-14 PDF (0 K) | ||
| Author | ||
| Ihsan Habib Dakhil | ||
| Abstract | ||
| The aim of present work was to investigate the ability adsorption of methylene blue (MB) dye from wastewater using low-cost adsorbent, spent tea leaves (STL), in batch isotherm adsorption technique. The adsorption experiments were carried out under different conditions of initial dye concentration (50-500) mg/l, STL dose (0.05-1) g, pH solution (2-11), and contact time (10-180) min under constant temperature of 30 oC. The results were indicated that the optimum conditions were adsorbent dose was 0.43 g per 100 ml dye solution, pH=7. The equilibrium isotherms have been analyzed using the Langmuir and Freundlich models. The experimental results were best described by the Freundlich isotherm model with maximum monolayer adsorption capacities found to be 62.2 mg/g with the high value of correlation coefficient. The results suggested that STL has high potential 98% to be used as effective adsorbent for MB dye removal. | ||
| Keywords | ||
| adsorption; Spent tea leaves; Removal; Methylene blue dye; wastewater | ||
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