Effect of acid strength distribution on conversion of FCC gasoline over a ZSM-5 zeolite catalyst

被引：0

作者：

Zhihua Wu

Shenglin Liu

Sujuan Xie

Qingxia Wang

Xinhua Qian

Longya Xu

机构：

[1] State Key Laboratory of Catalysis,

[2] Dalian Institute of Chemical Physics,undefined

[3] CAS,undefined

[4] ,undefined

[5] State Key Laboratory of Catalysis,undefined

[6] Dalian Institute of Chemical Physics,undefined

[7] CAS,undefined

[8] State Key Laboratory of Catalysis,undefined

[9] Dalian Institute of Chemical Physics,undefined

[10] CAS,undefined

[11] State Key Laboratory of Catalysis,undefined

[12] Dalian Institute of Chemical Physics,undefined

[13] CAS,undefined

[14] State Key Laboratory of Catalysis,undefined

[15] Dalian Institute of Chemical Physics,undefined

[16] CAS,undefined

[17] State Key Laboratory of Catalysis,undefined

[18] Dalian Institute of Chemical Physics,undefined

[19] CAS,undefined

来源：

Reaction Kinetics and Catalysis Letters | 2005年 / 84卷

关键词：

Acid strength; FCC gasoline; aromatics; ZSM-5 catalyst;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Acid strength distribution and the distribution of aromatics formed in the FCC gasoline conversion reaction on a ZSM-5 zeolite with different Na contents have been studied. With increasing Na content in the ZSM-5 zeolite, the acid sites determined by NH3-TPD technique, especially the strong acid sites, clearly decrease. When used as catalyst for the aromatization reaction, the transformation of olefins in the FCC gasoline into aromatics is governed directly by the strong acid sites on the ZSM-5 catalyst. Only under the conditions that a ZSM-5 catalyst possesses suitable strong acid sites is reaction temperature favorable for the aromatics formed.

引用

页码：45 / 51

页数：6

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