METHOD FOR PREPARING LIQUID WASTE OF PIG BREEDING FOR AGRICULTURAL USE

摘要

A method of preparing liquid manure of pig-breeding complexes and farms for agricultural use by reagent treatment with the release of sludge as an organomineral fertilizer, characterized in that the reagent treatment includes the phased introduction of an acidifying reagent - a suspension of phosphogypsum to a pH of 6.5-7.5 and coagulant - low-basic aluminum oxychloride of the Aqua-Aurat ™ 14 brand, which is introduced into liquid manure in the form of a 5-10% solution with a dose of 3-30 mg / dm3 in Al2O3, followed by disinfection of the precipitate in the vortex apparatus o layer with moving ferromagnetic particles.