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Removal of Cadmium Ions from Simulated Wastewater Using Rice Husk Biosorbent | ||
| Journal of Engineering | ||
| Article 1, Volume 18, Issue 7, 2012, Pages 868-875 | ||
| Authors | ||
| Sarah Yaarub Mohammed; Shahlaa Esmail Ebrahim | ||
| Abstract | ||
| Biosorption of cadmium ions from simulated wastewater using rice husk was studied with initial concentration of 25 mg/l. Equilibrium isotherm was studied using Langmuir, Freundlich, BET and Timken models. The results show that the Freundlich isotherm is the best fit model to describe this process with high determination coefficient equals to 0.983. There was a good compliance between the experimental and theoretical results. Highest removal efficiency 97% was obtained at 2.5g of adsorbent, pH 6 and contact time 100 min. | ||
| Keywords | ||
| cadmium; Biosorption; Rice Husk; Natural Adsorbents; Isotherm Model | ||
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