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Stefan Berner,Paulo Araya,Joseph Govan,Humberto Palza 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.59 No.-
Cu/Al and Cu/Cr layered double hydroxides (LDH) were synthesized using a simple co-precipitation method at room temperature. These particles were further modified by Co+2 incorporation, and calcined at 500 °C for synthesis of layered double oxides (LDO). The LDH crystallinity or these samples highly depended on the composition, with Cu/Al-LDH presenting much higher order than Cu/Cr-LDH. High values of methyl orange adsorption were measured especially after calcination. For instance, Cu/Al and Cu/Co/Al LDH exhibited maximum monolayer adsorption capacities of 313 and 240 mg/g, respectively, meanwhile the same particles transformed into LDO presented values of 780 and 583 mg/g.