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Dry Fermentation

Commercial-scale dry fermentation technology is more capable of using numerous waste streams and eliminates the need for additional liquid or movement of input. A dry fermentation anaerobic biodigester harnesses and enhances the natural decomposition process and creates renewable energy.

According to BIOFerm Energy Systems, dry fermentation works with organic waste that has moisture content less than 75 percent. In general, fermentation is a distinct biological reaction carried out by several different organisms in various environments and creates organic acids, which are utilized to form biogas later in anaerobic biodigestion.

This organic waste is loaded into individual fermentation chambers of the facility and works on a 28-day cycle. While remaining stationary in the chambers, micro-organisms are applied to the load at regular intervals. Each week, one of the four fermentation chambers at the UW Oshkosh biodigester plant will rotate, with the remaining solution being recycled for further use in the system.

Learn more about the dry fermentation process.

by Reineck, Allison A last modified May 02, 2011 11:44 AM