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author：

Cai, J. (Cai, J..) [1] | Wang, C. (Wang, C..) [2] | Liu, Y. (Liu, Y..) [3] | Ni, J. (Ni, J..) [4] | Lin, B. (Lin, B..) [5] | Wang, X. (Wang, X..) [6] | Lin, J. (Lin, J..) [7] | Jiang, L. (Jiang, L..) [8]

Indexed by：

Scopus CSCD

Abstract：

In　the　present　study,　a　series　of　Ru/ZSM-5　catalysts　with　different　pore-size　distributions　were　prepared　and　investigated　for　NH3　synthesis.　Our　studies　indicate　that　Ru/ZSM-5-Mic　with　micropore　structure　exhibits　superior　NH3　synthesis　rate,　which　is　much　higher　than　those　of　Ru/ZSM-5-Mac　(with　macroporous　structure)　and　Ru/ZSM-5-Mes　(with　mesoporous　structure)　catalysts.　A　series　of　TPD　experiments　demonstrate　that　pore-size　distributions　play　an　important　role　in　N2　adsorption　and　activation　over　Ru/ZSM-5.　Moreover,　the　addition　of　La　significantly　promotes　the　NH3　synthesis　performance　over　Ru/ZSM-5-Mic.　Additionally,　in　situ　DRIFTS　studies　indicate　that　the　main　intermediate　species　over　Ru/ZSM-5-Mic　are　–NH2,　and　most　of　the　surface　hydrogen　species　desorb　following　the　H2O-formation　pathway.　©　2020

Keyword：

Ammonia synthesis; La; Pore-size distribution; Rare earths; Reaction pathway; Ru/ZSM-5

Community：

  • [ 1 ] [Cai, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Wang, C.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 3 ] [Liu, Y.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 4 ] [Ni, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 5 ] [Lin, B.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 6 ] [Wang, X.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 7 ] [Lin, J.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China
  • [ 8 ] [Jiang, L.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address：

  • [Jiang, L.]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou UniversityChina

Email：


jll@fzu.edu.cn
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Source ：

Journal of Rare Earths

ISSN： 1002-0721

Year： 2020

Issue： 8

Volume： 38

Page： 873-882

5 . 2 0 0

JCR@2023

ESI HC Threshold：160

JCR Journal Grade：2

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 9

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 4

Affiliated Colleges：

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