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Ali Hosseinian Naeini,Mohammadreza Kalaee,Omid Moradi,Ramin Khajavi,Majid Abdouss 한국화학공학회 2022 Korean Journal of Chemical Engineering Vol.39 No.8
Biopolymers, such as Carboxyl methylcellulose (CMC) and Guar gum (GG), have attracted much attention. Herein, binary organic composite (Carboxyl methyl cellulose - Guar gum) and ternary inorganic-organic ecofriendlybionanocomposite (Copper oxide - Carboxyl methyl cellulose - Guar gum) with different wt% of CuO (1%,3%, and 5% denoted as CMC/GG/CuO-1, CMC/GG/CuO-3, and CMC/GG/CuO-5) were prepared. The CMC, GG,CuO, CMC/GG, CMC/GG/CuO-1, CMC/GG/CuO-3, and CMC/GG/CuO-5 were characterized by XRD, FTIR, SEM,and EDX and used to remove malachite green (MG) dye from water. The effect of operational parameters on theadsorption process was investigated in detail. The maximum dye capacity was 18.5mg/g. The isotherm data showedthe Freundlich isotherm, which indicated the non-uniformity of adsorption on the adsorbent surface. Pollutant removalfollowed the pseudo-second-order kinetics. Also, the thermodynamic study presented that adsorption was spontaneousand endothermic.