FIELD: fertilizer industry.
SUBSTANCE: method for obtaining granular fertilizer from bird droppings or animal manure includes processing droppings or manure in a vortex layer apparatus and drying the mixture. Before processing in the vortex layer apparatus, droppings or manure are brought to a humidity of 90% by diluting and disinfecting it with water, and/or catholyte, and/or anolyte, or a mixture of reagents. After the vortex layer is removed, the mixture is settled in an intermediate container for one hour. Then the raw materials are separated to a humidity of 60% with the removal of the liquid fraction. The remaining solid fraction is mixed with the additives necessary to obtain fertilizer, the raw materials are dried, granulation and final drying of the granules are carried out to a humidity of 15%.
EFFECT: production of a fertilizer completely decontaminated from pathogenic microorganisms.
3 cl, 1 dwg
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