Adsorption of Cr Ion by Activated Carbon Prepared from Corncob Xylitol Residue

Jing Wen Xue

doi:10.4028/www.scientific.net/AMR.712-715.527

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Adsorption of Cr Ion by Activated Carbon Prepared from Corncob Xylitol Residue
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Adsorption of Corncob Hydrolysis Residue on Cr (VI)
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Adsorption of Cr Ion by Activated Carbon Prepared from Corncob Xylitol Residue

Abstract:

Corncob xylitol residue was soaked with H₃PO₄for 16h and carbonized in microwave for 9min to obtain activated carbon. Methylene blue and iodine adsorption values were determined and were 119.92mg/g and 839.47mg/g, respectively. The adsorption property on Cr⁶⁺ was determined and the proper adsorption condition was pH2, 30min, 80°C. The maximum Cr adsorption capacity was 50mg/g.