Abstract
The CoAl-LDH and CoFe-LDH hydrotalcite-like compounds (LDH = Layered Double Hydroxides named also hydrotalcite), were successfully synthesized following co-precipitation method at pH = 12. A several characterization techniques including TGA, ICP, XRD, N2 adsorption and desorption, H2-TPR, O2-TPO, SEM-EDX and TEM, were utilized to determine the structure function relationship for the obtained catalysts. These catalysts were evaluated in CO2 reforming of methane under continuous flow with CH4/CO2 ration equal to 1, at atmospheric pressure and a temperature range between 400 and 700 °C.The iron addition to the cobalt showed improved resistance to coke deposition while a slight decrease in methane conversion was observed compared to CoAlcal-R catalyst (cal = after calcination and R = after reduction) derived from CoAl-LDH precursor.
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