eprintid: 10113325
rev_number: 17
eprint_status: archive
userid: 608
dir: disk0/10/11/33/25
datestamp: 2020-10-28 12:21:14
lastmod: 2021-10-13 23:27:54
status_changed: 2020-10-28 12:21:14
type: article
metadata_visibility: show
creators_name: Osman, AI
creators_name: Abu-Dahrieh, JK
creators_name: Cherkasov, N
creators_name: Fernandez-Garcia, J
creators_name: Walker, D
creators_name: Walton, RI
creators_name: Rooney, DW
creators_name: Rebrov, E
title: A highly active and synergistic Pt/Mo₂C/Al₂O₃ catalyst for water-gas shift reaction
ispublished: pub
divisions: UCL
divisions: B04
divisions: C05
divisions: F43
keywords: Water gas shift reaction, Molybdenum carbide, Platinum, Alumina, Syngas
note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
abstract: Catalysts consisting of Pt and Cu supported on Mo2C/η-Al2O3, Mo2C/γ-Al2O3 or Mo2C were prepared and used for the low-temperature water gas shift reaction (WGSR). The catalysts were characterized by elemental analysis, powder X-ray diffraction (XRD), temperature-programmed reduction (TPR), X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). The catalysts were studied in water gas shift reaction with a reaction mixture containing 11% CO, 43% H2, 6% CO2, 21% H2O (real feed composition mixture from the reformer) and balance He, with a reaction temperature range of 180–300 °C at a space velocity (SV) of 125,000 h−1. Catalyst supports (η-Al2O3 and γ-Al2O3), led to different synergetic effect between the two most active phases of Pt metal and Mo2C. Pt/Mo2C/η-Al2O3 is a promising catalyst (44% conversion at 180 °C) due to the close interaction between Pt and Mo2C phases on the surface of the catalyst. The 4 wt% Pt-Mo2C showed the highest activity where the temperature at which 50% conversion observed was at only 180 °C with SV of 125,000 h−1 and constant stability over 85 h.
date: 2018-08
date_type: published
publisher: Elsevier BV
official_url: https://doi.org/10.1016/j.mcat.2018.05.025
oa_status: green
full_text_type: other
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 1824016
doi: 10.1016/j.mcat.2018.05.025
publication_declined: 2020-12-09T23:51:09GMT
lyricists_name: Fernandez Garcia, Javier
lyricists_id: JFERN78
actors_name: Fernandez Garcia, Javier
actors_id: JFERN78
actors_role: owner
full_text_status: public
publication: Molecular Catalysis
volume: 455
pagerange: 38-47
citation:        Osman, AI;    Abu-Dahrieh, JK;    Cherkasov, N;    Fernandez-Garcia, J;    Walker, D;    Walton, RI;    Rooney, DW;           Osman, AI;  Abu-Dahrieh, JK;  Cherkasov, N;  Fernandez-Garcia, J;  Walker, D;  Walton, RI;  Rooney, DW;  Rebrov, E;   - view fewer <#>    (2018)    A highly active and synergistic Pt/Mo₂C/Al₂O₃ catalyst for water-gas shift reaction.                   Molecular Catalysis , 455    pp. 38-47.    10.1016/j.mcat.2018.05.025 <https://doi.org/10.1016/j.mcat.2018.05.025>.       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/10113325/1/Molecular%20Catalysis%20Draft%20BIOGO.pdf