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Citation: Su Jixin, Xiao Tiancun, Wang Haitao, Lu Yuli, Zhou Changli, Li Shuben, Zhang Kongyuan. Regeneration of Spent Industrial NiMo/γ-Al₂O₃ Catalysts for HDS[J]. Chinese Journal of Applied Chemistry, ;1998, 15(6): 11-15. shu

Regeneration of Spent Industrial NiMo/γ-Al₂O₃ Catalysts for HDS

1.
Department of Environmental Engineering, Shandong University, Jinan 250100;
2.
Lanzhou Institute of Chemical Physics, Chinese Academy Sciences, Lanzhou;
3.
Research Inst itute of Qilu Petro-chemical Corporat ion, Zibo

Received Date: 9 March 1998
Revised Date: 28 September 1998

The hydrodesulfurization(HDS) catalytic activity of spent industrial catalyst Ni-Mo/V-Al₂O₃ can be regenerated through oxidation below 723 K, calcination in air at 753 K for 3 h, and reduction at 673 K in H₂ for 2 h and oxidation at 723 K in air for 4 h successively. The activity for HDS of some regenerated samples can even be higher than that of the fresh catalyst sample.
- NiMo/V-Al₂O₃,
- hydrodesulfurization catalyst,
- regeneration,
- reductionoxidation,
- calcination
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沈阳化工大学材料科学与工程学院沈阳 110142

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Regeneration of Spent Industrial NiMo/γ-Al₂O₃ Catalysts for HDS