FIELD: processing and recycling of wastes.
SUBSTANCE: invention relates to processing alcohol production wastes. Disclosed is a method of processing lime-neutralised distillery stillage from grain raw material. Processing of distillery stillage is carried out by flocculation and coagulation with subsequent separation into sediment and clarified aqueous phase. Flocculation and coagulation is performed simultaneously by electroflocculation-electrocoagulation on metal electrodes in a flow device. Floated and coagulated organic phase particles are collected in respective receivers.
EFFECT: avoiding use of organic flocculant and additional equipment for preparation of flocculant, which enables to conduct neutralisation of initial solution in a wide pH range.
1 cl, 1 dwg
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Authors
Dates
2016-07-10—Published
2014-06-17—Filed