Whey cool: Dairy waste turned into electricity
Posted on Mar 26, 2013 by Innovation
Get a whiff of this: Milky rinse water flowing from Wisconsin cheese factories will soon be used to generate enough electricity for 3,000 homes, thanks to an innovative solution to a growing wastewater problem. For years, the milky rinse water was spread on farmland as a low-grade fertilizer, but the practice was curtailed in the face of more stringent environmental regulations to limit runoff pollution, especially in the winter months when spraying on frozen ground was outlawed.
Leave a Reply
You must be logged in to post a comment.