Abstract:Spent grain is a solid waste from the brewery process which is used as feed for ruminants or as organic fertiliser. Due to the large scale generation of spent grain, new technological and industrial applications are being developed. In this work, spent grain was modified by chemical treatments for use in the biosorption of hexavalent chromium. For spent grain treated with acid, alkali, petroleum ether and hydrogen peroxide, the amount of hexavalent chromium removed was respectively 97, 21, 0.9 and 0.5%. The ki… Show more
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