Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 11, Issue 3, Pages 405-414Publisher
ELSEVIER
DOI: 10.1016/j.arabjc.2016.06.012
Keywords
Decomposition; Methane; Hydrogen; Iron catalyst
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Funding
- King Abdulaziz City for Science and Technology (KACST) [AT-34-4]
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In this paper, iron-based catalysts, calcined at different temperatures (300-800 degrees C), supported over alumina, were investigated for hydrogen production via catalytic methane decomposition. The catalysts were prepared by using different methods such as impregnation and co-precipitation. The fresh and spent catalysts were characterized using different techniques such as Brunauer, Emmett and Teller (BET), temperature-programmed reduction by hydrogen (H-2-TPR), X-ray powder diffraction (XRD), thermogravimetry analysis (TGA), Field Emission Scanning Electron Microscope (FESEM) and transmission electron microscopy (TEM). Results revealed that for both impregnated and co-precipitated catalysts, calcination temperature of 500 degrees C is optimal. Type of precursor iron oxide on the alumina support has a strong influence on its performance for methane decomposition. (C) 2016 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CCBY-NC-ND license
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