Freshwater use in the AP is found to be lower than in the EP.
The higher ethanol yield reduces the amount of freshwater used in the biorefinery per mega joule of fuel.
Referencing the ancillary chemical use to a higher ethanol yield also reduces the freshwater use per MJ in the AP. Steam methane reforming (SMR) requires water to produce the hydrogen and is an additional water demand not needed in the EP.
Even with the SMR water consumption, the AP freshwater use is lower than the EP demonstrating the benefitofa
higher conversion yield.