• hydrogen production by steam reforming of glycerol over ni/ce/cu hydroxyapatite-supported catalysts

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1022
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     hydroxyapatite-supported ni-ce-cu catalysts were synthesised and tested to study their potential for use in the steam reforming of glycerol to produce hydrogen. the catalysts were prepared by the deposition-precipitation method with variable nickel, cerium, and copper loadings. the performance of the catalysts was evaluated in terms of hydrogen yield at 600°c in a tubular fixed-bed microreactor. all catalysts were characterised by the bet surface area, xrd, tpr, tem, and fe-sem techniques. the reaction time was 240 min in a fixed-bed reactor at 600°c and atmospheric pressure with a water-to-glycerol feed molar ratio of 8: 1. it was found that the ni-ce-cu (3 mass %-7.5 mass %-7.5 mass %) hydroxyapatite-supported catalyst afforded the highest hydrogen yield (57.5 %), with a glycerol conversion rate of 97.3 %. the results indicate that ni/ce/cu/hydroxyapatite has great potential as a catalyst for hydrogen production by steam reforming of glycerol.

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