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W2989735544 abstract "We present here a facile synthesis of SO 2- 4 /ZrO 2 solid superacid by impregnating the biscuit-like mesoporous ZrO 2 nanoparticles prepared by an emulsion combustion method directly into H 2 SO 4 solution. The obtained solid acid catalyst was characterized by means of X-ray powder diffraction, transmission and scanning electron microscopy, thermogravimetry, Brunner-Emmet-Teller measurement, and infrared analysis. Its catalytic performance was examined by alkylation of o -xylene with styrene. The optimal catalytic formulation, obtained from the investigation of experimental conditions, was determined to be 5 wt% of catalyst loading with initial o -xylene/styrene molar ratio of 5 under reaction temperature at 120 °C for 120 min, achieving a 100% styrene conversion and a 93.3% 1-phenyl-1-xylyl ethane selectivity. The biscuit-like SO 2− 4 /ZrO 2 solid acid exhibited high catalytic activity and selectivity and excellent structural stability. This synthetic strategy for preparing the mesoporous SO 2− 4 promoted ZrO 2 solid superacid catalyst is generalized and expected to be applied to other metal oxides." @default.
W2989735544 created "2019-12-05" @default.
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W2989735544 date "2020-06-01" @default.
W2989735544 modified "2023-10-14" @default.
W2989735544 title "Preparation of Biscuit-Like SO2−4/ZrO2 Catalyst for Alkylation of o-Xylene with Styrene" @default.
W2989735544 doi "https://doi.org/10.1166/jnn.2020.17485" @default.
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