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  • biohydrogen production from kitchen based vegetable waste: effect of pyrolysis temperature and time on catalysed and non-catalysed operation

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 447
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     pyrolysis of kitchen based vegetable waste (kvw) was studied in a designed packed bed reactor. the effect of process parameters like temperature, time and catalyst on bio-gas yield and its composition was studied. the total bio-gas yield was found to be maximum with non-catalysed operation (260 ml/g) at 1073 k (180 min). higher hydrogen (h2) yield with non-catalysed operation (32.68%) was observed at 1073 k (180 min) while with catalysed operation the requisite temperature (873 k) and time (120 min) reduced with both silica gel (33.34%) and sand (41.82%) thus, saving energy input. methane (ch4) yield was found to be highest (4.44 times than non-catalysed and 1.42 with silica gel) in presence of sand (71.485 ml/g) at medium temperature (873 k) and time (60 min). the catalyst operation reduced the carbondioxide (co2) share from 47.29% to 41.30% (silica gel catalysed) and 21.91% (sand catalysed) at 873 k.

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