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author:

Yuan, En-Hui (Yuan, En-Hui.) [1] | Niu, Yiming (Niu, Yiming.) [2] | Huang, Xing (Huang, Xing.) [3] (Scholars:黄兴) | Li, Meng (Li, Meng.) [4] | Bao, Jun (Bao, Jun.) [5] | Song, Yong-Hong (Song, Yong-Hong.) [6] | Zhang, Bingsen (Zhang, Bingsen.) [7] | Liu, Zhao-Tie (Liu, Zhao-Tie.) [8] | Willinger, Marc-Georg (Willinger, Marc-Georg.) [9] | Liu, Zhong-Wen (Liu, Zhong-Wen.) [10]

Indexed by:

EI Scopus SCIE CSCD

Abstract:

Oxidative dehydrogenation of propane with carbon dioxide (CO2-ODP) characterizes the tandem dehy-drogenation of propane to propylene with the reduction of the greenhouse gas of CO2 to valuable CO. However, the existing catalyst is limited due to the poor activity and stability, which hinders its indus-trialization. Herein, we design the finned Zn-MFI zeolite encapsulated noble metal nanoparticles (NPs) as bifunctional catalysts (NPs@Zn-MFI) for CO2-ODP. Characterization results reveal that the Zn2+ species are coordinated with the MFI zeolite matrix as isolated cations and the NPs of Pt, Rh, or RhPt are highly dispersed in the zeolite crystals. The isolated Zn2+ cations are very effective for activating the propane and the small NPs are favorable for activating the CO2, which synergistically promote the selective transfor-mation of propane and CO2 to propylene and CO. As a result, the optimal 0.25%Rh0.50%Pt@Zn-MFI cata-lyst shows the best propylene yield, satisfactory CO2 conversion, and long-term stability. Moreover, considering the tunable synergetic effects between the isolated cations and NPs, the developed approach offers a general guideline to design more efficient CO2-ODP catalysts, which is validated by the improved performance of the bifunctional catalysts via simply substituting Sn4+cations for Zn2+ cations in the MFI zeolite matrix.(c) 2023 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences Published by Elsevier B.V. All rights reserved.

Keyword:

Carbon dioxide Encapsulated noble metal nanoparticles Finned Zn-MFI zeolite Oxidative dehydrogenation Propane

Community:

  • [ 1 ] [Yuan, En-Hui]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China
  • [ 2 ] [Li, Meng]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China
  • [ 3 ] [Song, Yong-Hong]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China
  • [ 4 ] [Liu, Zhao-Tie]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China
  • [ 5 ] [Liu, Zhong-Wen]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China
  • [ 6 ] [Niu, Yiming]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
  • [ 7 ] [Zhang, Bingsen]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
  • [ 8 ] [Huang, Xing]Fuzhou Univ, Coll Chem, Fuzhou 36108, Fujian, Peoples R China
  • [ 9 ] [Bao, Jun]Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Anhui, Peoples R China
  • [ 10 ] [Willinger, Marc-Georg]Tech Univ Munich, Sch Nat Sci NAT, Dept Chem, Lichtenbergstr 4, D-85747 Garching, Germany

Reprint 's Address:

  • [Liu, Zhong-Wen]Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Syngas Convers Shaanxi Prov, Xian 710119, Shaanxi, Peoples R China;;[Zhang, Bingsen]Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China;;

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Source :

JOURNAL OF ENERGY CHEMISTRY

ISSN: 2095-4956

CN: 10-1287/O6

Year: 2023

Volume: 80

Page: 479-491

1 4 . 0

JCR@2023

1 4 . 0 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:39

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 14

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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