FIELD: agriculture.
SUBSTANCE: invention relates to agriculture. The method for obtaining organomineral fertilizer when disposing of liquid waste of wool washing production includes contacting fat-containing organic waste of wool washing production with serpentinite, while using serpentinite in granular form with a granule size from 0.25 to 2.5 mm, and freshly formed waste water as liquid waste of wool washing production. water of wool-washing production, the storage period of which does not exceed 3 days, the said contacting is carried out in one or more columns, into each of which the specified granular serpentinite is loaded and processed by passing through the column at least 20 column volumes of freshly formed waste water from wool production at a rate not exceeding 10 column volumes per hour, at the end of this treatment, the treated serpentinite in the form of fat-coated granules is discharged from the column and dried to obtain the finished product.
EFFECT: allows using the fat contained in the wastewater of wool washing production when receiving organic fertilizers, and to dispose of large volumes of wastewater from wool washing production.
2 cl, 2 dwg, 1 tbl, 4 ex
