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- W4313648148 abstract "Abstract In this contribution, the recovered TiO 2 from waste Selective Catalytic Reduction (SCR) was transformed into a solid superacid catalyst (TiO 2 /SO 4 2- ) modified by sulfuric acid (H 2 SO 4 ). The results of XRD suggest that the crystal structures of TiO 2 are not destroyed during the recovery and sulfation processes. The recovered TiO 2 -modified superacid catalyst has a greater surface area (41.83 m 2 /g) than TiO 2 /SO 4 2- catalysts produced from pure TiO 2 reported by previous researchers. The Barrett-Joyner-Halenda (BJH) pore size distribution confirms that the samples are essentially mesoporous structures. The NH 3 -TPD analysis demonstrated that the formation of the superacid sites occurs at temperatures ranging between 400 and 500 °C. The prepared TiO 2 /SO 4 2- solid superacid catalyst exhibits good catalytic activity with the conversion of n-butanol above 92 % in the transesterification of ethyl acetate and n-butanol." @default.
- W4313648148 created "2023-01-07" @default.
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- W4313648148 date "2023-01-06" @default.
- W4313648148 modified "2023-10-18" @default.
- W4313648148 title "TiO2/SO42- Solid Superacid Catalyst Prepared by Recovered TiO2 from Waste SCR and its Application in the Transesterification of ethyl acetate with n-butanol" @default.
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- W4313648148 doi "https://doi.org/10.21203/rs.3.rs-2288741/v1" @default.
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