Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 16, Pages -Publisher
MDPI
DOI: 10.3390/ijms22169076
Keywords
LNG; reforming of LNG; syngas; nickel catalyst; hydrogen production
Funding
- National Science Centre [2018/29/B/ST8/01317]
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This study investigates the catalytic properties of various monometallic Ni catalysts in the oxy-steam reforming of LNG for the first time. Various research techniques were used to study their physicochemical properties, and the high activity of monometallic catalysts on 5% La2O3-CeO2 and 5% ZrO2-CeO2 in the process was attributed to acidity, specific surface area, sorption properties, crystallite size, and phase composition.
This work interrogates for the first time the catalytic properties of various monometallic Ni catalysts in the oxy-steam reforming of LNG. Various research techniques, including X-ray diffraction (XRD), specific surface area and porosity analysis (BET method), scanning electron microscopy with X-ray microanalysis (SEM-EDS), temperature-programmed desorption of ammonia (TPD-NH3), temperature-programmed reduction (TPR-H-2) and the FTIR method, were used to study their physicochemical properties. The mechanism of the oxy-steam reforming of LNG is also discussed in this paper. The high activity of monometallic catalysts supported on 5% La2O3-CeO2 and 5% ZrO2-CeO2 oxides in the studied process have been proven and explained on the basis of their acidity, specific surface area, sorption properties in relation to the reaction products, the crystallite size of the metallic nickel and their phase composition.
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