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JOURNALS // Nanosystems: Physics, Chemistry, Mathematics // Archive

Nanosystems: Physics, Chemistry, Mathematics, 2024 Volume 15, Issue 6, Pages 879–892 (Mi nano1332)

CHEMISTRY AND MATERIAL SCIENCE

Chemical looping methane dry reforming over Ni-containing modified ceria-zirconia

Ekaterina Smala, Valeria Fedorovaa, Konstantin Valeeva, Amir Hassanb, Evgeny Gerasimova, Mikhail Simonova

a Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
b Novosibirsk State University, Novosibirsk, Russia

Abstract: Modified ceria-zirconia oxides were prepared in supercritical fluids in flow-type installation. Ni was added by wetness impregnation. All materials were studied by a complex of physicochemical techniques (XRD, TEM, H$_2$-TPR). Catalysts have been investigated in a modern process – chemical looping methane dry reforming (CLMDR). Conversions of CH$_4$ and CO$_2$, H$_2$/CO ratio, H$_2$ and CO productivities were calculated. The features of CLMDR process were compared with results obtained in MDR steady-state conditions.

Keywords: chemical looping, methane dry reforming, hydrogen, ceria-zirconia, supercritical synthesis.

Received: 03.06.2024
Revised: 10.10.2024
Accepted: 07.11.2024

Language: English

DOI: 10.17586/2220-8054-2024-15-6-879-892



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© Steklov Math. Inst. of RAS, 2025