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Citation: Li Chun-Yi, Shan Hong-Hong, Zhao Bo-Yi, Yang Chao-He, Zhang Jian-Fang. USY/ZnO/Al₂O₃ Catalyst for Gasoline Desulfurization via Catalytic Cracking[J]. Acta Physico-Chimica Sinica, ;2001, 17(07): 641-644. doi: 10.3866/PKU.WHXB20010714 shu

USY/ZnO/Al₂O₃ Catalyst for Gasoline Desulfurization via Catalytic Cracking

1.
National Key Laboratory of Heavy Oil Processing,College of Chemistry ＆ Chemic al Engineering,University of Petroleum,Donying　257061

Received Date: 26 December 2000
Available Online: 15 July 2001

The USY/ZnO/Al2O3 catalyst,prepared with impregnation and co-depositi on method,for gasoline desulfurization via catalytic cracking was evaluated in a fixed-bed reaction apparatus.The results show that the catalyst has excellent sulfur removal activity and selectivity (Table 1).Most of the sulfur removed fro m gasoline is transformed as H2S into the cracking gas and only a little deposit s on the catalyst (Fig.3),which is very favorable for sulfur recovery and protec ting the environment.Cracking desulfurization of sulfide is the result of synerg ism between cracking and hydrogen transfer.The two reactions require different a ppropriate temperatures.There is then an optimal temperature at around 420℃ for gasoline desulfurization.
- Gasoline;Catalytic cracking;Desulfurization;USY/ZnO/Al₂O₃ Catalyst
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USY/ZnO/Al2O3 Catalyst for Gasoline Desulfurization via Catalytic Cracking

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通讯作者: 陈斌, bchen63@163.com

USY/ZnO/Al₂O₃ Catalyst for Gasoline Desulfurization via Catalytic Cracking