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本文用共浸法制备了一系列Pt—Sn—RE催化剂,以正庚烷为原料,研究了它们的反应性能。在不同的反应条件下稀土元素对Pt—Sn催化剂的改性作用不同。此外,Sn/Pt原子比不同对催化剂的活性也有影响。
In this paper, a series of Pt-Sn-RE catalysts were prepared by the co-impregnation method. The reaction performance of n-heptane was studied. The effect of rare earth elements on the modification of Pt-Sn catalyst under different reaction conditions is different. In addition, different Sn / Pt atomic ratios also have an influence on the activity of the catalyst.