Journal of Industrial and Engineering Chemistry, Vol.20, No.3, 775-780, May, 2014
Selective hydroisomerization of n-dodecane over platinum supported on SAPO-11
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Effects of loading method and amount of platinum on the hydroisomerization of n-dodecane were
investigated. Platinum was supported on SAPO-11 by incipient wetness, ion exchange, or atomic layer deposition. Characterization of catalysts was carried out using N2 adsorption, XRD, NH-TPD, TPR, and pyridine-IR. The dispersion of the Pt (IE 0.2)/SAPO-11 and the Pt (ALD 0.6)/SAPO-11 are 0.65 and 0.59, respectively, which are much higher than those of the catalysts prepared by incipient wetness method. The Pt(IW)/SAPO-11 catalyst exhibited the best isomerization activity in the hydroisomerization of ndodecane, which is attributed to the highest reducibility.
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