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author:

Chu, J. (Chu, J..) [1] | Ge, Z. (Ge, Z..) [2] | Peng, J. (Peng, J..) [3] | Hu, H. (Hu, H..) [4] | Guo, S. (Guo, S..) [5] | Chen, X. (Chen, X..) [6]

Indexed by:

Scopus

Abstract:

The efficient and economic heteroatom-implanting method for MWW-type zeolite has been the focus of attention and needs further exploration. Ti incorporated MWW zeolite was synthesized by sequential treatment of boron-containing zeolite precursor. The catalysts were applied to the epoxidation of 1-hexene. The implanting titanium process was conducted under a mild condition with Ti(SO4)2/NH4HF2/HNO3 solution, and the product Ti-MWW precursors have framework titanium alone, the novel method is named as refluxing and implanting titanium method which integrates acid treatment and titanium incorporation into one step and reduces the consumption of time of this process into 1 h. A density functional theory was conducted to explain the formation mechanism of interlayer-expanded structure of Ti-MWW zeolite. Subsequently, Ti-MWW precursors were treated in modified reagent solution to obtain larger pore structure, which increase the conversion of 1-hexene from 20.45 to 62.96%. The catalytic performance of Ti-MWW zeolite in this work are superior to Ti-MWW zeolite synthesized by traditional dry-gel conversion method the conversion of 1-hexene of which was 4.2%. This novel method is a promising approach for the synthesis of high catalytic performance heteroatomic zeolite. Graphical abstract: [Figure not available: see fulltext.]. © 2022, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keyword:

1-hexene Implanting titanium method Interlayer modification Ti-MWW

Community:

  • [ 1 ] [Chu, J.]School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
  • [ 2 ] [Chu, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350002, China
  • [ 3 ] [Ge, Z.]School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
  • [ 4 ] [Ge, Z.]National Engineering Research Center of Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350002, China
  • [ 5 ] [Peng, J.]School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
  • [ 6 ] [Peng, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350002, China
  • [ 7 ] [Hu, H.]School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
  • [ 8 ] [Guo, S.]Ocean College, Minjiang University, Fujian, Fuzhou, 350108, China
  • [ 9 ] [Chen, X.]School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350116, China
  • [ 10 ] [Chen, X.]National Engineering Research Center of Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Fujian, Fuzhou, 350002, China

Reprint 's Address:

  • [Chen, X.]School of Chemical Engineering, Fujian, China

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Source :

Catalysis Letters

ISSN: 1011-372X

Year: 2023

Issue: 2

Volume: 153

Page: 348-363

2 . 3

JCR@2023

2 . 3 0 0

JCR@2023

ESI HC Threshold:39

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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