• hydrogen enrichment of fuels using a novel miniaturised chemical looping steam reformer

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 717
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     experiments were conducted on the fe3o4/feo metal oxide system under pure methane and pure steam environments in a thermogravimetric analyser (tga) and a prototype-miniaturised micro-reactor. experimental results show that during a typical fuel oxidation step the concentration of methane in the product gas stream gradually decreases while fe3o4 is being reduced to feo. however, on or about a fractional conversion of 60% the slope of the ch4 plot sharply increases due to catalytic effects of feo on methane decomposition. similarly, the h2 plot associated with steam reforming step picks up rapidly and reaches a maximum of 98% at a fractional conversion of 30%. the conversion times of steam and fuel in the micro-reactor were generally shorter than conversion times obtained in the tga system. the experimental results provided two vital pieces of information: the chemical looping steam reforming cycle is technically viable, and  the performance of the process at micro-scales needs to be further understood before high throughput miniaturised reformers could be designed and built.

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