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  • biofuel production from crude palm oil with supercritical alcohols: comparative lca studies

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 540
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a recent life cycle assessment (lca) reported that biodiesel production in supercritical alcohols (sca) produces a higher environmental load than the homogeneous catalytic process because an enormous amount of energy is required to recover excess alcohol. however, the excess alcohol could be dramatically reduced by increasing the operating temperature to 400 °c; although the product would have to be considered as an alternative biofuel instead of biodiesel. a comparative lca of the biodiesel production in two sca at 300 °c (c-sca) and novel biofuel production in the same two sca at 400 °c (n-sca) is presented. it was clear that the n-sca process produces a dramatically reduced environmental load over that of the c-sca process due to a lower amount of excess alcohol being used. the n-sca process could be improved in terms of its environmental impact by changing from fossil fuel to biomass-based fuels for the steam generation.

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