What part of the energy carried by a biofuel is spent in fabricating it, and in production of technological equipment used in the fabrication? Thank You.
I cannot give you an definite ranswer because a biofuel has various kinds (from maize, apeseed, livestock waste etc.)
It might not be bad question. Production efficiency is usually related to environmental footprint of a processing system- But at best to compare technologies it is to draw the border for similar products, not necessarily similar processing routes. You might recall apple to apple....
Dear,
findings, of authors given in: http://projects.centralbaltic.eu/images/files/result_pdf/PURE_BIOMASS_book.pdf
are interesting. (page 67. and more)
Regards
An attempt to find the answer is made:
https://uknowledge.uky.edu/cgi/viewcontent.cgi?article=1030&context=bae_etds
The energy, spent on handling the wast, and on building the facility should be taken into consideration in the future? (The straw is left on the land, as an alternative.)
Also the impact to the soils of a farm - in the soil org. carbon content, as the accompanying to this land use method?
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