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Adsorption of Ag+ ions using hydroxyapatite powder and recovery silver by electrodeposition

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In this work, Ag+ ions in water were adsorbed using hydroxyapatite (HAp) powder and recovery silver by electrodeposition. The adsorption efficiency of silver was about 61 % at 50 oC after 60 minutes of contact time. The Ag+ adsorption process using HAp powder followed Langmuir adsorption isotherms with the maximum monolayer adsorption capacity of 18.7 mg/g. 60 % of silver can recovery by electrodeposition after 4 hours at the apply current of 10 mA at 50 °C. |