Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology.

Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology. Research Abstract Details 

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Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology. Abstract Text:

I A W Tan,A L Ahmad,B H Hameed,

Activated carbon was prepared from coconut husk using physicochemical activation method which consisted of potassium hydroxide (KOH) treatment and carbon dioxide (CO(2)) gasification. The effects of three preparation variables (CO(2) activation temperature, CO(2) activation time and KOH:char impregnation ratio) on the 2,4,6-trichlorophenol (2,4,6-TCP) uptake and activated carbon yield were investigated. Based on the central composite design, two quadratic models were developed to correlate the preparation variables to the two responses. From the analysis of variance (ANOVA), the most influential factor on each experimental design response was identified. The activated carbon preparation conditions were optimized by maximizing both the 2,4,6-TCP uptake and activated carbon yield. The predicted 2,4,6-TCP uptake and carbon yield from the models agreed satisfactorily with the experimental values. The optimum conditions for preparing activated carbon from coconut husk for adsorption of 2,4,6-TCP were found as follow: CO(2) activation temperature of 750 degrees C, CO(2) activation time of 2.29h and KOH:char impregnation ratio of 2.91, which resulted in 191.73mg/g of 2,4,6-TCP uptake and 20.16 % of activated carbon yield.

Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology. Publishing Authors By Initials

IA Tan,AL Ahmad,BH Hameed,

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Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of hazardous materials

VOLUME: 153

Page Numbers: 709-17

Journal Abbreviation: J. Hazard. Mater.

ISSN: 0304-3894

DAY: 6

MONTH: 09

YEAR: 2007

Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology. Information

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LANGUAGE: eng

NlmUniqueID: 9422688

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Grant and Affiliation Information for Preparation of activated carbon from coconut husk: Optimization study on removal of 2,4,6-trichlorophenol using response surface methodology.

AFFILIATION: School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia.

Country: Netherlands

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MEDLINETA: J Hazard Mater

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