FIELD: processing and recycling of waste.
SUBSTANCE: invention relates to the processing of waste, in particular to a method for processing brewing waste. Method includes drying, sterilizing and grinding the waste into a flour. Drying is carried out at 115 °C for 70 minutes. Sterilization is carried out at 200–280 °C for 20 minutes in a nitrogen atmosphere, then the temperature is gradually and uniformly reduced to 75 °C for 25 minutes, then it is grinded into flour to a dimension of less than 0.05 mm and re-sterilized at 100 °C for at least 10 minutes.
EFFECT: obtaining a product that can be used both as a basis for fertilizers, and for food purposes.
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Authors
Dates
2018-03-21—Published
2016-09-05—Filed