USE OF FERTILE SUBSTRATE FOR MAKING SOIL Russian patent published in 2022 - IPC C02F11/00 C02F11/143 C05F7/00 B09B3/00 

Abstract RU 2777790 C2

FIELD: chemical industry; agriculture.

SUBSTANCE: invention relates to the chemical industry and agriculture, namely to a technology for recycling urban wastewater sediments, manure and dung. For making soil, fertile substrate is used, obtained by the treatment of wastewater sediments, using a preparation based on plant raw materials for the treatment of wastewater sediments, wherein the mentioned preparation is a preparation obtained using a base of the preparation, containing, in wt.%: plant raw materials in the form of rice grain or wheat grain – 8.9-15.2, five-hydrous copper sulfate – 0.1-0.8, alkali – 1.7-4, water is the rest. A technical problem solved in the implementation of the claimed invention is the creation of an easy-to-use method for the treatment and/or recycling of wastewater sediments, which does not require the use of a reagent-detoxicant, and which has increased efficiency of the treatment of wastewater sediments.

EFFECT: simplification of the process of treatment and/or recycling of wastewater sediments, increase in environmental friendliness and safety of the process of treatment and/or recycling of wastewater sediments, as well as increase in the efficiency of treatment of wastewater sediments; implementation of the purpose of the invention.

11 cl, 4 tbl

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Authors

Dates

2022-08-10Published

2020-12-08Filed