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Mu. Naushad,Saad M. Alshehri,Tansir Ahamad,Zeid A. AlOthman,Muhammad Ali Shar,Noura S. AlHokbany 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
The present work deals with the removal of highly toxic Cd2+from wastewater using ecofriendlycurcumin (7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione) formaldehyde resin (CFR). The CFR resin was characterized using several analytical techniques. The adsorption kinetics andisotherms were well fitted by pseudo-second-order and Freundlich models, respectively. The adsorptionof Cd2+ onto CFR was increased with the ionic strength (NaCl). The regeneration studies demonstrated adecrease in the adsorption of Cd2+ from 94% to 80% after five consecutive cycles. All results illustratedthat CFR was a promising adsorbent for the environmental pollution cleanup.