Abstract
The composition of the organic and mineral parts of solid residues from the production of humic preparations
 Hydrohumate, Oxyhumate, peat oxidate and Consil was studied. Significant differences in the component composition of these wastes, depending on the technologies for obtaining drugs, have been established. Redox-hydrolytic processing of peat leads to almost complete (acid-base hydrolysis) or partial (oxidation) destruction of hemicelluloses and the relative accumulation of cellulose and "lignin" in solid waste. The organic parts of the residues contain up to 30 % humic substances, due to the fact that the technologies for the production of humic preparations do not provide for the stage of washing the residues after separation in a centrifuge and some of the humic preparations remain in the solid phase. It is shown that the mineral part of solid residues includes a wide range of biogenic macro-and microelements,
 since humates of monovalent metals pass into solution, and salts of humic substances with metals of higher valence are insoluble and remain in the solid residue from hydrolysis or oxidation of peat. The study of the chemical composition of solid residues from the production of humic preparations showed possible
 directions for their effective disposal. Waste products are humate-containing products with a wide range of biogenic macro-and microelements, so they can be effectively used as biologically active additives to soils, compost, fertilizers, as well as in pond fish farming to stimulate the development of components of the natural food base of fish and increase the fish productivity of reservoirs.
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