Oxidation of Brown Coals With Hydrogen Peroxide in the Presence of Oxalic Acid for the Subsequent Production of Humic Soil Improver For Degraded Soils
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The article describes the results of oxidizing Angren brown coal with hydrogen peroxide in the presence of oxalic acid and producing a humic soil improver—calcium humate—from the oxidation products, enhancing soil structure by adding quicklime to the oxidized brown coal. The possibility of obtaining a moisture-absorbing humic improver by treating brown coal with oxalic acid, followed by oxidation with hydrogen peroxide and polymerization of humic acids using quicklime, is demonstrated.
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