Mohamed A. Elsayed, O.A. Zalat, Factor Affecting Microwave Assisted Preparation of Activated Carbon from Local Raw Materials, Volume 47, International Letters of Chemistry, Physics and Astronomy (Volume 47)
https://www.scipress.com/ILCPA.47.15
Abstract:
    This study illustrates the preparation of activated carbon (AC) from Corn Cob (CC) via microwave assisted K<sub>2</sub>CO<sub>3</sub> activation. The effect of operational parameters including chemical impregnation ratio (0.25-1.25), microwave power (90 – 800 W) and irradiation time (1 – 9 min) on the carbon yield and adsorption capability of derived Corn Cob Activated Carbon (CCAC) were investigated. The results indicated that the optimum conditions were as follows: microwave power of 600W, microwave radiation time of 5 min and the impregnation ratio of K<sub>2</sub>CO<sub>3</sub> was 0.75 g/g. The optimum conditions resulted in CCAC with a maximum adsorption capacity of 275.32 mg/g for MB and carbon yield of 27.09%. The BET surface area, Langmuir surface area and total pore volume were determined to be 765 m<sup>2</sup>/g, 834 m<sup>2</sup>/g and 0.43 cm<sup>3</sup>/g, respectively.
Keywords:
    Activated Carbon, Adsorption, Chemical Activation, Methylene Blue, Microwave Corn Cob