Synthesis of Mixed Metal Oxides of Lanthanum-Zinc-Aluminate Nanoparticles by Combustion Method and Their Effects on Removal of Acid Blue 92 and Reactive Blue 19 Dyes

In this research, the mixed metal oxides of lanthanum - zinc - aluminate nanoparticles were synthesized by combustion method and characterized by SEM, FTIR, XRD and EDAX. The surface of the synthesized nanoparticle was modified by aminosilane and used to remove Acid Blue 92 (AB 92) and Reactive Blue 19 (RB 19). The effect of adsorbent dosage, initial dye concentration, pH and salt on dye removal was investigated. The kinetics and isotherm of dye removal was studied. The results showed that dye removal followed pseudo-second order kinetics and the Langmuir isotherm.