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Si-MCM-41 and Al-MCM-41 supported cobalt oxide catalysts were prepared and characterized by XRD. The surface area, pore size and wall thickness was calculated by applying BET equation and BJH method using nitrogen sorption technique. DR UV-VIS confirm the presence of cobalt oxide as isolated particle in the framework positions of the MCM-41 mesostructure. The vapour phase oxidation of isopropyl benzene...
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