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Research Article Open access CC BY 4.0

The Effect of Oxidation of Humic Acids on the Adsorption of Cd (II), Cu (II), Pb (II) and Zn (II) by a Humate-containing Hybrid Adsorbent

Boris S. Smolyakov, Alexey K. Sagidullin

Chemical Science International Journal · pp. 1–4 · Published 5 Nov 2018

10.9734/CSJI/2018/45042

Abstract

Humic acids of natural origin were oxidised with hydrogen peroxide and Fenton’s reagent to produce hybrid adsorbents based on mesoporous carbon. The characteristics of the modified humic acids and hybrid adsorbents were studied. Oxidation of humic acids provides an increase in adsorption of Cd (II), Cu (II), Pb (II) and Zn (II) by hybrid adsorbents. The values of adsorption capacity increase with increasing pH and vary in the order Cu> Pb> Zn> Cd.

Adsorption heavy metals humic acids hybrid adsorbent oxidation

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