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Brewers Association Wastewater Management Guidance …
www.brewersassociation.orgWastewater Management Guidance Manual 5 1 .1 Background Beer is an alcoholic beverage made by fermenting wort. The main byproducts from this process are spent grains, spent yeast and trub. Trub consists of high weight protein precipitates. These byproducts are mostly liquid, and are high in organic materials and suspended solids. Brewery ...