FIELD: chemistry; brewing.
SUBSTANCE: invention relates to methods of processing brewery wastes based on grain material, obtaining fodder product. The method involves neutralisation of initial distillery stillage to pH = 7.5-8.5 with simultaneous flocculation with anionic flocculant with molecular weight not less than 15·106, which is a product of reacting polyacrylamide with a sodium salt of acrylic acid, with subsequent separation of residue and clarified aqueous phase.
EFFECT: invention simplifies the technology of processing distillery stillage and allows for obtaining a clarified aqueous phase, which virtually contains no suspended substances.
14 ex
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RU2822699C1 |
