Fuente: MATERIALDISTRICT Lugar: leather alternative Brewers and whisky distillers extract sugars from barley during fermentation. After this process, a protein-rich by-product remains: brewers’ spent grain (BSG), also known as draff in whisky production. In most cases, producers use this biomass as animal feed, convert it into biogas, or dispose of it. As a result, much of its material value remains […]
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