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Lanthanum, cerium and ytterbium nitrates used as RE oxide precursors, RE 2 O 3 -promoted PSZA catalysts for n-hexane hyroisomerization were prepared and RE 2 O 3 promotion effects on catalytic activity and catalytic stability were investigated by N 2 -adsorption, XRD, TG, FTIR, XPS and H 2 -TPR. It was elucidated that the introduction of RE 2 ...
Two Pt/SO 42− /ZrO 2 –Al 2 O 3 (denoted as PSZA and I-PSZA) catalysts were prepared by using Zr(OH) 4 as precursor aged in different conditions, including conventional aging and isopropanol aging. The textural properties, crystalline structure, surface acidity and reduction behaviours of the as PSZA and I-PSZA catalysts were comparatively investigated by...
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