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Preparation of Activated Carbon from Wasted Food by Chemical Activation with Zinc Chloride  

Kang, Hwa-Young (Department of Civil and Environment, Hanyeong College)
Lee, Young-Dong (Division of Environmental and Chemical Engineering, Chonbuk National University)
Kim, Se-Hoon (Division of Environmental and Chemical Engineering, Chonbuk National University)
Park, Sung-Bong (Division of Civil and Environmental Engineering, Sunchon National University)
Jung, Jae-Sung (Division of Civil and Environmental Engineering, Sunchon National University)
Park, Sang-Sook (Division of Civil and Environmental Engineering, Sunchon National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.30, no.9, 2008 , pp. 900-906 More about this Journal
Abstract
It was studied to utilize wasted food as a starting material to produce for activated carbon. The wasted food was chemically activated with zinc chloride. Experiments were carried out at different chemical ratios(activating agent/wasted foods), activation temperatures, and activation time. The activated products were characterized by measuring the iodine and methylene blue number, the BET surface area, the pore volume, the micropore ratio, the pore diameter, the yields and the scanning electron microscope(SEM). For the products activated by impregnation ratio of 1.0 of ZnCl$_2$ at 500$^{\circ}C$ for 60 min in a rotary kiln reactor had iodine number of 480 mg/g, methylene blue number of 95 mL/g, BET surface area of 410 m$^2$/g, pore volume of 0.248 cm$^3$/g, and average pore diameter of 2.43 nm, respectively. The activated carbon obtained had the contribution of micropore area of 70.7% to the total pore area and micropore volume of 53.2% to the total pore volume.
Keywords
Activated Carbon; Chemical Activation; Iodine/methylene Blue Number; BET Surface Area; Pore Volume;
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