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HomeInternational Letters of Chemistry, Physics and...International Letters of Chemistry, Physics and...Factor Affecting Microwave Assisted Preparation of...

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

DOI:

https://doi.org/10.56431/p-39xo0w

Citation:

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Online since:

February 2015

Authors:

Mohamed A. Elsayed*, O.A. Zalat

Keywords:

Activated Carbon, Adsorption, Chemical Activation, Methylene Blue, Microwave Corn Cob

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Creative Commons CC BY 4.0

* - Corresponding Author

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