Abstract
A facile substrate-assisted hydrothermal method has been developed to synthesize structured Fe/Fe foam catalysts. The hydrothermal products were annealed at various atmosphere to modify the nature of final iron oxide phase. The calcination atmosphere was adjusted by changing the oxygen concentration in the furnace. X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), N2 adsorption–desorption, H2-temperature programmed reduction (H2-TPR) and X-ray photoelectron spectroscopy (XPS) were used to characterize the phase composition, morphology, particle size, texture features, reduction and carbonization behavior, as well as surface species and electronic state of the as-synthesized Fe/Fe foam catalysts. With the decrease of oxygen concentration in the annealing atmosphere, FTS activity first increases and then decreases. The catalyst calcined at the opened muffle reveals the highest FTY of 12.7*10−5 molCO/gFe∙s and the lowest methane selectivity (12.2%) compared with other five catalysts.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
