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Citation: Su Jixin, Xiao Tiancun, Wang Haitao, Yin Yongquan, Lu Yuli, Yang Zhaohe, Li Shuben. Property Changes of in situ Regenerated NiMoP/γ-Al₂O₃ Catalysts[J]. Chinese Journal of Applied Chemistry, ;1999, 16(5): 65-68. shu

Property Changes of in situ Regenerated NiMoP/γ-Al₂O₃ Catalysts

1.
a Department of Environmental Engineering, aState Key Laboratory of Crystal Materials, Shandong University, Ji'nan 250100;
2.
b State Key Laboratory of OSS, Lanzhou Insti tute of Chemical Physics, Chinese Academy of Sciences, Lanzhou

Received Date: 28 March 1999
Available Online: 19 May 1999
Fund Project: 山东省优秀中青年科学家科研奖励基金(96245015) (96245015)山东大学晶体材料国家重点实验室基金资助项目(9806) (9806)

The in situ regenerated catalysts in different positions of the hydrotreating reactor for hydrodesulfurization and hydrodenitrogenation of diesel fuel oil have been studied using EDS, DTA and BET techniques. The results show that the temperature runaway occurred easily near the top of the hydrotreating reactor on the oxidation regeneration and the catalysts in this area were sintered easily due to the deposition of ferrous sulfide on the surface of the catalysts. The properties of the regenerated catalysts in the middle or bottom part of the reactor were changed relatively less.
- NiMoP/γ-Al₂O₃ diesel fuel oil,
- hydrodesulfurization,
- hydrodenitrogenation,
- in situ regeneration
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Property Changes of in situ Regenerated NiMoP/γ-Al₂O₃ Catalysts