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International Letters of Chemistry, Physics and Astronomy
Volume 47

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Factor Affecting Microwave Assisted Preparation of Activated Carbon from Local Raw Materials

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Abstract:

This study illustrates the preparation of activated carbon (AC) from Corn Cob (CC) via microwave assisted K2CO3 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 K2CO3 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 m2/g, 834 m2/g and 0.43 cm3/g, respectively.

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Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 47)
Pages:
15-23
Citation:
M. A. Elsayed and O.A. Zalat, "Factor Affecting Microwave Assisted Preparation of Activated Carbon from Local Raw Materials", International Letters of Chemistry, Physics and Astronomy, Vol. 47, pp. 15-23, 2015
Online since:
February 2015
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