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author：

Wu, L. (Wu, L..) [1] | Zhang, Y. (Zhang, Y..) [2] | Zou, C. (Zou, C..) [3] | Sun, Q. (Sun, Q..) [4] | Li, B. (Li, B..) [5] | Zheng, W. (Zheng, W..) [6] | Liu, J. (Liu, J..) [7] | He, J. (He, J..) [8] | Tang, Y. (Tang, Y..) [9] | Tan, L. (Tan, L..) [10]

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Scopus

Abstract：

Ethane　dehydrogenation　to　aromatics　(EDA)　is　one　of　the　most　promising　routes　to　produce　aromatics.　Herein,　the　tandem　of　dehydrogenation　component　and　acidic　zeolite　are　prepared　and　investigated　for　EDA.　Pt/Fe-S-1　coupled　with　ZSM-5　of　Si/Al　of　14　via　mixing　homogeneously　shows　excellent　EDA　performance　with　54.0%　ethane　conversion,　61.5%　aromatics　selectivity　as　well　as　a　deactivation　rate　constant　of　0.00010　h−1.　According　to　catalysts　characterizations　and　controlled　experiments,　it　is　confirmed　the　highly　dispersed　positive　Ptδ+　species　around　Fe　species　over　Pt/Fe-S-1　is　the　active　sites　for　ethane　dehydrogenation　to　ethylene　and　subsequent　naphthenes　dehydrogenation　to　aromatics,　Brønsted　acid　sites　of　ZSM-5　and　MFI　pore　are　responsible　for　ethylene　oligomerization　and　cyclization　to　naphthenes　and　further　naphthenes　dehydrogenation　to　aromatics.　The　short　spatial　space　between　dehydrogenation　active　sites　and　acid　sites　is　beneficial　for　EDA.　And　the　ethylene　generation　rate　is　the　rate-determining　step　of　EDA.　©　2025　American　Institute　of　Chemical　Engineers.

Keyword：

dehydroaromatization Pt/Fe-S-1 the tandem catalysis ZSM-5

Community：

  • [ 1 ] [Wu L.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 2 ] [Zhang Y.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 3 ] [Zou C.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 4 ] [Sun Q.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 5 ] [Li B.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 6 ] [Zheng W.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 7 ] [Liu J.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 8 ] [He J.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 9 ] [Tang Y.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China
  • [ 10 ] [Tan L.]Institute of Molecular Catalysis and In-situ/operando Studies, College of Chemistry, Fuzhou University, Fuzhou, China

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Source ：

AIChE Journal

ISSN： 0001-1541

Year： 2025

Issue： 5

Volume： 71

3 . 5 0 0

JCR@2023

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 2

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