Catalytic and Regenerative Properties of Nickel-Based Zeolite Catalysts

Li Yuan Qin; En Chen Jiang; Yan Sun; Shuang Li

doi:10.4028/www.scientific.net/AMM.633-634.491

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 633-634Catalytic and Regenerative Properties of...

Catalytic and Regenerative Properties of Nickel-Based Zeolite Catalysts

Abstract:

Nickel-based catalysts were prepared by impregnating at different calcination temperatures to solve the problems of short lifetime, coking and hard to regenerate of HZSM-5 catalyst which was widely used as bio-oil upgrading catalyst. The NiO loading was 8wt. %, and the calcination temperature was 350~650°C. The surface characteristics, catalytic and regenerative properties of the catalysts were also analyzed and compared. When the calcination temperature is 550 °C, the catalyst shows good properties and the conversion of toluene and guaiacol is 83% and 80% respectively. The results of life-tests show that the adding of active material can help extend the life and improve the anti-coking ability of the catalyst. The conversion of toluene and guaiacol keeps at 40% and 50% respectively after 6h continuously catalytic reaction. The macromolecule aromatics in the catalyst channel can be converted into micromolecule aromatics by the adding of NiO.