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• W2049933260 abstract "The pre-reforming of commercial liquefied petroleum gas (LPG) over Ni-based catalysts at a low steam to carbon molar ratio was investigated. Ni/CeO2/Al2O3 catalysts were prepared by impregnating boehmite with an aqueous solution of cerium and nickel nitrates. These catalysts were found to be highly efficient in LPG pre-reforming at 300–400°C and a low molar ratio of steam to carbon of 1.0. The effect of nickel content and reaction temperature on the performance of the Ni/CeO2/Al2O3 catalysts was evaluated and the 15%Ni/CeO2/Al2O3 catalyst was selected for a stability test in the pre-reforming of LPG. The results showed that the conversion of LPG and the composition of the products in the exit gas were almost unchanged for the steam reforming of commercial LPG after about 105 h of reaction time on stream at 350°C and GHSV of the inlet gas of 3∼000 ml/(g·h) with a steam to carbon molar ratio of 1.0, indicating that the catalyst exhibited excellent stability. After the reaction, no obvious carbon was observed on the catalyst surface. Ni/CeO2/Al2O3 catalysts show good catalytic performance for the low temperature steam reforming of LPG, which may potentially be used in commercial fuel cells. ：采用硝酸镍和硝酸铈水溶液共浸渍薄水铝石制备了 Ni/CeO2/Al2O3 催化剂, 并将其用于低水碳摩尔比条件下商用液化石油气 (LPG) 预重整反应. 考察了 Ni 含量和反应温度对催化剂性能的影响. 结果表明, 在 300∼400 °C 和水碳摩尔比为 1.0 的条件下, 该催化剂具有很高的催化 LPG 预重整反应活性. 15%Ni/CeO2/Al2O3 催化剂在 350 °C, 3 000 ml/(g·h) 和水碳摩尔比 1.0 的条件下, 反应 105 h 后 LPG 转化率和产气组成均保持不变, 表现出较高的稳定性. 反应后催化剂表面没有明显的积炭." @default.
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• W2049933260 date "2010-01-01" @default.
• W2049933260 modified "2023-09-22" @default.
• W2049933260 title "Highly Efficient Ni/CeO2/Al2O3 Catalyst for Pre-reforming of Liquefied Petroleum Gas under a Low Molar Ratio of Steam to Carbon" @default.
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• W2049933260 doi "https://doi.org/10.1016/s1872-2067(09)60066-8" @default.
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