کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
208346 | 461248 | 2008 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
How can we improve the energy balance of ethanol production from wheat?
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
The gross energy in ethanol using wheat as a feedstock in Ireland is 66 GJ/ha/a. The net energy production is 25 GJ/ha/a. A model is proposed, whereby the ethanol production process is combined with combustion of straw, and digestion of stillage, resulting in two transport fuels; ethanol and biomethane. In the proposed system stillage is not dried, reducing the thermal demand by 35%. A quarter of the straw associated with the wheat grain is sufficient, when combusted, to satisfy the reduced thermal demands. Stillage is digested wet; the biogas is scrubbed, compressed and utilised as a transport fuel. The net energy now is 72 GJ/ha/a. The production cost of biomethane is two thirds that of ethanol.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel - Volume 87, Issues 10–11, August 2008, Pages 1799–1806
Journal: Fuel - Volume 87, Issues 10–11, August 2008, Pages 1799–1806
نویسندگان
Jerry D. Murphy, Niamh M. Power,