SOIL Russian patent published in 2020 - IPC C05F11/04 C05F7/00 

FIELD: environmental protection.

SUBSTANCE: invention relates to environmental protection, in particular to complex processing of water supply wastes – unavoidable wastes of natural water treatment – by creating a secondary resource in the form of artificial soil using peat and sand. Soil contains peat, sand, tap water sediment and cotton dust in following ratio of components: tap water sediment of 19.5–28.5 %; cotton dust with an average moisture content of 1.3–3.5% and bulk weight of 0.09 g/cm³ 0.5–1.5 %; quarry or river sand with main fraction 1–2 mm 30–40 %; low-meadow peat – balance. When soil is obtained, the first water residue is dehydrated to moisture content of 90 % and mixed with cotton dust.

EFFECT: enabling the assignment realization using the available raw material.

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