Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites

高等学校化学研究 ›› 2005, Vol. 21 ›› Issue (6): 684-686.

Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites

WEI Chang-ping¹, SUN Xiao-fei¹, JIANG Xin-hua², ZHEN Kai-ji³

1. College of Materials and Chemical Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China;
2. College of Biological Engineering, Changchun University of Technology, Changchun 130012, P. R. China;
3. Collegc of Chemistry, Jilin University, Changchun 130023, P. R. China

收稿日期:2005-05-19 出版日期:2005-11-23 发布日期:2011-08-06
基金资助:
Supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars (No.2003406) and Education Ministry of China(No.204038)

Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites

WEI Chang-ping¹, SUN Xiao-fei¹, JIANG Xin-hua², ZHEN Kai-ji³

1. College of Materials and Chemical Engineering, Changchun University of Science and Technology, Changchun 130022, P. R. China;
2. College of Biological Engineering, Changchun University of Technology, Changchun 130012, P. R. China;
3. Collegc of Chemistry, Jilin University, Changchun 130023, P. R. China

Received:2005-05-19 Online:2005-11-23 Published:2011-08-06
Supported by:
Supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars (No.2003406) and Education Ministry of China(No.204038)

摘要/Abstract

摘要： H-type zeolites(HY, Hβ, and HM) were synthesized and characterized by XRD, NH₃-TPD, and Py-IR.Selectively catalytic alkylation of naphthalene with n-hexanol to hexyl-naphthalene over the zeolites was carried out.The experimental results show that the catalytic activities of the zeolites are mainly determined by their acid properties and pore structures.The larger the pore diameter is, the higher the catalytic activity is.NH₃-TPD profiles show that Hβand HM have lower acid strengths than HY.HY has both the highest activity and highest selectivity for the hexylnaphthalene.Higher reaction temperatures and longer reaction time are beneficial to the production of β-hexyl-naphthalene over the HY zeolite.

关键词: H-type zeolites, Naphthalene, n-Hexanol, Hexylnaphthalene, Alkylation

Abstract: H-type zeolites(HY, Hβ, and HM) were synthesized and characterized by XRD, NH₃-TPD, and Py-IR.Selectively catalytic alkylation of naphthalene with n-hexanol to hexyl-naphthalene over the zeolites was carried out.The experimental results show that the catalytic activities of the zeolites are mainly determined by their acid properties and pore structures.The larger the pore diameter is, the higher the catalytic activity is.NH₃-TPD profiles show that Hβand HM have lower acid strengths than HY.HY has both the highest activity and highest selectivity for the hexylnaphthalene.Higher reaction temperatures and longer reaction time are beneficial to the production of β-hexyl-naphthalene over the HY zeolite.

Key words: H-type zeolites, Naphthalene, n-Hexanol, Hexylnaphthalene, Alkylation

WEI Chang-ping, SUN Xiao-fei, JIANG Xin-hua, ZHEN Kai-ji. Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites[J]. 高等学校化学研究, 2005, 21(6): 684-686.

WEI Chang-ping, SUN Xiao-fei, JIANG Xin-hua, ZHEN Kai-ji. Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites[J]. Chemical Research in Chinese Universities, 2005, 21(6): 684-686.

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Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites

Catalytic Synthesis of Hexyl-naphthalene over H-type Zeolites

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