Preparation of Activated Carbon from Blue Coke Powder and its Adsorption Properties of Cr(VI)

Yu Hong Tian; Xin Zhe Lan; Lin Bo Li; Xiang Yang Chen; Tang Hua Hu

doi:10.4028/www.scientific.net/AMR.156-157.1347

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 156-157Preparation of Activated Carbon from Blue Coke...

Preparation of Activated Carbon from Blue Coke Powder and its Adsorption Properties of Cr(VI)

Abstract:

Activated carbon was prepared from blue coke powder by physical activation. The results show that the specific surface area (BET) is 697.05m2/g, the total pore volume is 0.4569cm3/g and the average pore size is 2.6221nm. The adsorption properties of Cr( ) onto blue coke powder activated carbon are discussed from the kinetics and thermodynamics viewpoints. The pseudo-second-order kinetic model shows the best correlation with experimental data. Langmuir and Freundlich models are used to fit the equilibrium, and it is indicated that Freundlich best fits these data. The adsorption of Cr( ) onto blue coke powder activated carbon is found to be an endothermic process in nature.

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Advanced Materials Research (Volumes 156-157)

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1347-1351

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.156-157.1347

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Online since:

October 2010

Authors:

Yu Hong Tian, Xin Zhe Lan, Lin Bo Li, Xiang Yang Chen, Tang Hua Hu

Keywords:

Activated Carbon (AC), Blue Coke Powder, Cr(VI), Kinetic, Thermodynamic

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