Citation: Zhou Bo XU, Hong Chen GUO, Xiang Sheng WANG, Pei Qing ZHANG, Le Ping ZHAO, Yong Kang HU. Enhancing the Deactivation Durability of Nano-sized HZSM-5 for Aromatization by Adjusting its Ratio of Lewis/Brφnsted Acid Sites[J]. Chinese Chemical Letters, ;2004, 15(9): 1123-1126. shu

Enhancing the Deactivation Durability of Nano-sized HZSM-5 for Aromatization by Adjusting its Ratio of Lewis/Brφnsted Acid Sites

1.
Department of Catalytic Chemistry and Engineering & State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012;
2.
Fushun Research Institute of Petroleum and Petrochemicals, Fushun 113001

Received Date: 18 August 2003

Ratio of Lewis/Brφnsted acid sites (Cl/Cb) on the surface of nano-sized HZSM-5 was successfully manipulated by means of steaming and acid leaching. Significant enhancement of the deactivation durability of nano-sized HZSM-5 in the aromatization of fluid catalytic cracking (FCC) gasoline olefins seems to be closely related to the increase of Lewis/Brφnsted acid sites ratio.
- Lewis acid,
- Brφnsted acid,
- nano-sized HZSM-5,
- aromatization,
- gasoline
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