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Comment 8 for Comments for the LCFS Method 2A2B applications (lcfs2a2bcomments-ws) - 2nd Workshop.
First Name: Fabricio
Last Name: Pinto
Email Address: fabricio.guimaraes.pinto@gmail.com
Affiliation: FIA/USP
Subject: Molasses Pathway - About the fermentation efficiency
Comment:
About the fermentation efficiency. Dear Sirs, Analyzing the pathway that results in 14,67 g CO2e / MJ ethanol CI and comparing with the Brazilian Ethanol pathway of 73.40 g CO2e / MJ ethanol CI, we conclude that it’s better to produce ethanol with the reuse of the byproduct molasses instead of use the new technologies of greenfields using the state of the art to produce only ethanol, which is much more sustainable. We know that the new mills has lower GHG emissions (we can show it in details). We would like to question if it was considered the technological advance of the fermentation process at molasses pathway. Information pointed by the Professor Dr. Silvio Andrietta of Biocontal (www.biocontal.com.br) indicates that the efficiency of sugarcane juice fermentation is much higher than the molasses fermentation. So, this pathway recommendation seems like an inversion of criteria. Can you , please, answer this question?
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Date and Time Comment Was Submitted: 2014-01-08 12:37:08
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