A series of Ru/NaY catalysts modified by alkaline earth metals and Ru/HNTs catalysts were prepared and characterized using transmission electron microscopy,surface area analysis and Infrared Spectroscopy of adsorbed pyridine analysis.The results shows that the right amount of Strontium is beneficial to the good dispersion of the ruthenium nanoclusters on the surface of NaY and modify the acidic properties of the catalyst.
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