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Nickel(II) was introduced by wet impregnation onto a commercial silicated alumina (Siralox 40 ® , SiO 2 /Al 2 O 3 mole ratio=1.1) and the physico-chemical properties of the calcined Ni/Siralox samples were determined by BET, H 2 chemisorption, O 2 back-titration and TPR. The latter technique showed that the nickel oxide species was predominantly associated...
The effect of adding SiO2 to a precipitated Fe-based Fischer–Tropsch catalyst was investigated. Silica was added to the catalyst either during or after precipitation. The iron-based Fischer–Tropsch catalysts were studied using Mössbauer spectroscopy, BET surface area, XRD and SEM characterization methods. Adding SiO2 to the catalyst during precipitation or immediately after precipitation (i.e., precipitated...
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