Adsorption of Mercury Ion on Activated Carbons from Rice Husk

Xiao Lan SONG; Ying Zhang; Cheng Yin Yan; Wen Juan Jiang; Hong Jiang Xie

doi:10.4028/www.scientific.net/AMM.161.162

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 161Adsorption of Mercury Ion on Activated Carbons...

Adsorption of Mercury Ion on Activated Carbons from Rice Husk

Abstract:

The adsorption performance of mercury ion onto activated carbon prepared from rice husk with NaOH was carried out at initial concentration of 100 mg/L. The activated carbon obtained at 800 °C possessed the outstanding specific surface area of 2786 m²/g. And the results showed that the maximum adsorption capacity of Hg²⁺ was recorded as 342.0 mg/g due to abundant micropores of 1.076 nm. In addition, the adsorption data were well explained by the Langmuir model with the monolayer adsorption capacity of 555.6 mg/g.

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Applied Mechanics and Materials (Volume 161)

Pages:

162-166

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.161.162

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Online since:

March 2012

Authors:

Xiao Lan SONG, Ying Zhang, Cheng Yin Yan, Wen Juan Jiang, Hong Jiang Xie

Keywords:

Activated Carbon, Adsorption, Mercury Ion, Rice Husk

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