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This article describes a novel hydrothermal deposition method for preparing highly dispersed NiW/γ-Al 2 O 3 catalysts and demonstrates its advantages over the conventional impregnation method. Via the hydrothermal precipitation reactions between sodium tungstate and hydrochloric acid and between nickel nitrate and urea, respectively, the active species W and Ni were deposited on γ-Al...
Two W/γ-Al 2 O 3 catalysts were prepared by a surfactant-assisted hydrothermal deposition method developed in the present investigation and the conventional impregnation method, respectively, and characterized by means of XRD, XPS, TEM, N 2 adsorptipn, NH 3 -TPD and H 2 -TPR. The results showed that compared with the catalyst prepared by impregnation, the catalyst...
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