Journal of Industrial and Engineering Chemistry

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
권호 표지

Sorption of $Cu^{2+}$ and $Cd^{2+}$ onto acid- and base-pretreated granular activated carbon and activated carbon fiber samples

Kang, Kwang-Cheol;Kim, Seung-Soo;Choi, Jong-Won;Kwon, Soo-Han

  • Published : 20080100
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Abstract

We have investigated the enhanced sorption of Cu2+ and Cd2+ on a granular activated carbon (GAC) and an activated carbon ber (ACF) afteracidicandbasictreatments.ThecommercialGACandACFwerepretreatedwith1.0 MHNO3andKOH,respectively,andtheirporestructuresandsurface properties were evaluated using nitrogen adsorption, pH titration, elemental analysis, and pH of the point of zero charge measurements.The sorption capacities of the acid- and base-pretreated GAC and ACF for Cu2+ and Cd2+ were enhanced as a result of an increase of the acidic-oxygenated groups and number of the micropores, respectively.# 2007 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry.

Keywords

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