Brewers Spent Grain

Sustainable Uses of Spent Grain

Brewer’s spent grain (BSG) is the primary byproduct of the brewing industry and, if not managed properly, can become a source of food waste.  The article “Sustainable Uses of Spent Grain” by Kay Witkiewicz details innovative ways that craft breweries are repurposing their spent grain to prevent waste. “While breweries such as Twisted Pine Brewing Co. and Hangar 24 Craft Brewery employ “farm-to-foam” approaches in creating seasonal beers using local ingredients, many others give back the bulk of their spent grain to their agricultural communities—from “foam-to-farm” so to speak.” A closed-loop system is the economic model of a circular economy.  When products no longer serve their original purpose they are upcycled into new ones, often leading to nontraditional uses of materials that would otherwise end up in landfills. The farm-to-foam/foam-to-farm concept discussed in the article is similar to a closed loop.  Using spent grain as a farming input not only…
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