carbon dioxide recovery systems In the fermentation process, the yeast feeds on the wort to produce carbon dioxide and alcohol. This carbon dioxide can be recovered with closed fermentation tanks and used later in the carbonation process. The fermentation process generates about 8-10 lbs/barrel wort (3-4 kg CO2/hl) (Lom and Associates, 1998). Typical CO2 scrubber operations require 2 kg of water per kg of carbon dioxide (Dell, 2001). A large brewery can become self-sufficient for CO2 if a well-designed plant is installed to recover CO2 from fermentation. The . market is almost saturated with standard recovery systems at large brewers | LBNL-50934 Ernest Orlando Lawrence Berkeley National Laboratory Energy Efficiency Improvement and Cost Saving Opportunities for Breweries An ENERGY STAR Guide for Energy and Plant Managers Christina Galitsky Nathan Martin Ernst Worrell and Bryan Lehman Environmental Energy Technologies Division Sponsored by the . Environmental Protection Agency September 2003 Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information neither the United States Government nor any agency thereof nor The Regents of the University of California nor any of their employees makes any warranty express or implied or assumes any legal responsibility for the accuracy completeness or usefulness of any information apparatus product or process disclosed or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product process or service by its trade name trademark manufacturer or otherwise does not necessarily constitute or imply its endorsement recommendation or favoring by the United States Government or any agency thereof or The Regents of the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof or The Regents of the University of California. Ernest Orlando Lawrence Berkeley National Laboratory is an equal opportunity employer. LBNL-50934 Energy Efficiency Improvement and Cost Saving Opportunities for Breweries An ENERGY STAR Guide for Energy and Plant Managers Christina Galitsky Nathan Martin Ernst Worrell and Bryan Lehman Energy Analysis Department Environmental Energy Technologies Division Ernest Orlando Lawrence Berkeley National Laboratory University of California Berkeley CA 94720 September 2003 This report was funded by the . Environmental Protection Agency s Climate Protection Partnerships Division as
