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author:

Zhang, Peipei (Zhang, Peipei.) [1] | Huang, Xin (Huang, Xin.) [2] | Qu, Shunli (Qu, Shunli.) [3] | Wang, Peng (Wang, Peng.) [4] | Mi, Xiaotong (Mi, Xiaotong.) [5] | Li, Sixuan (Li, Sixuan.) [6] | Xiang, Wenjie (Xiang, Wenjie.) [7] | Huang, Hao (Huang, Hao.) [8] | Liu, Guangbo (Liu, Guangbo.) [9] | Tsubaki, Noritatsu (Tsubaki, Noritatsu.) [10] | Tan, Li (Tan, Li.) [11] (Scholars:谭理)

Indexed by:

EI Scopus SCIE

Abstract:

The use of bifunctional catalysts, combining methanol synthesis and zeolite components, has been cleverly expanding to the hydrogenation of CO2 into liquefied petroleum gas (LPG). However, such catalysts in this reaction displayed low catalytic efficiency due to the mismatch of the two components. In this study, an efficient strategy was realized via physically coating beta zeolite onto the CuZnAl methanol catalyst, resulting in a shell thickness controllable core-shell encapsulated catalyst, denoted as CuZnAl@beta. Sufficient characterization proves that the micro-coupling structure between methanol active sites and zeolite acid sites is designed reasonably and successfully, as consequently, the zeolite capsule catalysts embody a significant improvement toward LPG selectivity. Hence, the CuZnAl@beta catalyst reached a high selectivity to LPG at 77.9% with 21.3% CO2 conversion, under a reaction pressure of 2.0 MPa and a temperature of 320 degrees C. The strategy employed in this study could offer valuable insights into guiding catalyst design.

Keyword:

beta zeolite Bifunctional active sites Capsule catalyst CO2 hydrogenation Liquefied petroleum gas

Community:

  • [ 1 ] [Zhang, Peipei]CNOOC Inst Chem & Adv Mat, Beijing 102209, Peoples R China
  • [ 2 ] [Huang, Xin]CNOOC Inst Chem & Adv Mat, Beijing 102209, Peoples R China
  • [ 3 ] [Qu, Shunli]CNOOC Inst Chem & Adv Mat, Beijing 102209, Peoples R China
  • [ 4 ] [Mi, Xiaotong]CNOOC Inst Chem & Adv Mat, Beijing 102209, Peoples R China
  • [ 5 ] [Li, Sixuan]CNOOC Inst Chem & Adv Mat, Beijing 102209, Peoples R China
  • [ 6 ] [Wang, Peng]Fuzhou Univ, Coll Chem, Key Lab Adv Carbon Based Funct Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
  • [ 7 ] [Tan, Li]Fuzhou Univ, Coll Chem, Key Lab Adv Carbon Based Funct Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
  • [ 8 ] [Xiang, Wenjie]Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan
  • [ 9 ] [Huang, Hao]Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan
  • [ 10 ] [Tsubaki, Noritatsu]Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan
  • [ 11 ] [Liu, Guangbo]Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Songlin Rd 189, Qingdao 266101, Peoples R China

Reprint 's Address:

  • [Wang, Peng]Fuzhou Univ, Coll Chem, Key Lab Adv Carbon Based Funct Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China;;[Tan, Li]Fuzhou Univ, Coll Chem, Key Lab Adv Carbon Based Funct Mat, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China;;[Tsubaki, Noritatsu]Univ Toyama, Sch Engn, Dept Appl Chem, Gofuku 3190, Toyama 9308555, Japan;;

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Source :

RESEARCH ON CHEMICAL INTERMEDIATES

ISSN: 0922-6168

Year: 2025

Issue: 2

Volume: 51

Page: 675-693

2 . 8 0 0

JCR@2023

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: 1

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