What’s really exciting is that we’re seeing some real innovation on the backend of these bioenergy processes—in short, the “waste” leftover from the waste is being used, too. A perfect example of that is discussed in detail in Ron Kotrba’s page-18 feature, “Get With the Program,” which underlines the value of digestate, a post-anaerobic digestion product that is rich in nutrients. Despite that value, there is not yet adequate awareness amongst consumers and potential buyers—but the American Biogas Council is working hard to change that via its Digestate Standard Testing and Certification Program. Says Patrick Serfass, executive director of the ABC, “Few people recognize its incredible nutrient and agronomic value today. It’s a perception issue.” More >>
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