[FAQ] How much water is required to produce one gallon of anhydrous ethanol in a dry grind ethanol plant?
The University of Illinois-Chicago recently completed a survey of the energy use, technologies, and water use at dry mill corn ethanol plants throughout the U.S. The latest data shows that:
- The average dry mill ethanol plant consumes only 2.72 gallons of water per anhydrous gallon of ethanol produced
- The same plant on average discharges only .46 gallons of water per anhydrous gallon of ethanol