Facile synthesis of Cu(II) impregnated biochar with enhanced adsorption activity for the removal of DOXYCYCLINE HYDROCHLORIDE (cas 100929-47-3) from water

Add time:08/15/2019    Source:sciencedirect.com

In this study, the effect factors and mechanisms of DOXYCYCLINE HYDROCHLORIDE (cas 100929-47-3) (DOX) adsorption on copper nitrate modified biochar (Cu-BC) was investigated. Cu-BC absorbent was synthesized through calcination of peanut shells biomass at 450 °C and then impregnation with copper nitrate. The Cu-BC has exhibited excellent sorption efficiency about 93.22% of doxycycline hydrochloride from aqueous solution, which was double higher than that of the unmodified biochar. The experimental results suggest that the adsorption efficiency of DOX on the Cu-BC is dominated by the strong complexation, electrostatic interactions between DOX molecules and the Cu-BC samples. Comprehensively considering the cost, efficiency and the application to realistic water, the Cu-BC hold the significant potential for enhancing the effectiveness to remove DOX from water.

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