水热改性对NiMo/γ-Al2O3加氢脱氮催化剂结构及性能的影响 |
Effect of Hydrothermal Modification on Structure and Properties of NiMo/γ-Al2O3HDN Catalyst |
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关键词: 浸渍 水热改性 NiMo/γ-Al2O3 加氢脱氮 |
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Abstract: The influence of hydrothermal modification on the structure and hydrodenitrogenation (HDN) activity of NiMo/γ-Al2O3catalyst was studied in the range 140~180 ℃. The experimental results indicated that the hydrodenitrogenation reaction rate of pyridine was accelerated using the NiMo/γ-Al2O3catalyst synthesized via hydrothermal route due to the change of the structure, the increase of the amount of Mo and Ni and the rise of the specific surface area. The change of the structure of catalysts was enhanced at higher hydrothermal temperature, producing NiMo/γ-Al2O3catalyst with better HDN activity. |
Keywords: impregnation hydrothermal modification NiMo/γ-Al2O3 HDN |
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李俊诚,向 兰,汪展文,魏 飞.水热改性对NiMo/γ-Al2O3加氢脱氮催化剂结构及性能的影响[J].无机化学学报,2004,20(6):739-742. |
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