METHOD OF REUSING MILKING PARLOR EFFLUENTS IN MILK FARMS Russian patent published in 2006 - IPC C02F3/00 C02F3/20 

FIELD: agriculture.

SUBSTANCE: invention, in particular, relates to cattle breeding and plant growing on protected ground, and, more particularly, to reusing milking parlor effluents and providing nutrient solutions for plants. Effluents are collected in settler wherein solid fraction is settled. Liquid fraction is subjected to biological treatment, after which effluents are pumped into tub to correct chemical composition and control content of main nutrition components contained in effluents. These content as well as concentration of solution are duly adjusted before addition of simple superphosphate Ca(H₂PO₄)·H₂O·CaSO₄ in dose 0.2-0.6 kg/m³. Resulting nutrient solution is introduced under plants in amounts found from formula n=Q/F, L/m², wherein Q is daily norm for effluents coming out of milking parlor, L, and F is planted area, m².

EFFECT: achieved year-round utilization of effluents and reduced environmental pollution around cattle breeding farms.

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