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KANNAPU HARI PRASAD REDDY,Jyothi Yadagiri,Surendar Moogi,Eilhann E.Kwon,Su Shiung Lam,박영권 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.94 No.-
In this study, conversion of n-propanal to produce 2-methyl-2-pentenal (C6 compound, a fuel rangeprecursor) was carried out using AMW-SBA-15 catalyst synthesized from activated marble waste (AMW)consisting mainly of Ca2+ and Mg2+ ions. AMW-SBA-15 catalysts with different weight ratios of AMW/Si(6, 12, and 18 wt. %) were prepared using single step sol-gel method. The catalytic activities wereexamined using afixed bed continuous reactor over temperature ranging from 350 425 C underatmospheric pressure. The 12AMW-SBA-15 catalysts showed superior catalytic performance with npropanalconversion of 75 % and C-6 compound selectivity of 81 % at 375 C without the need ofdeactivation for 12 h. To elucidate the structure-activity relationship, all catalysts were characterizedusing a variety of techniques. The superior performance of 12AMW-SBA-15 was ascribed to the highsurface area and smaller particle size as well as the high hydrophobicity, which controlled the hydrationof Ca2+/Mg2+ ions during the reaction.