METHOD OF PRODUCTION OF ORGANO-MINERAL FERTILISER FROM SEDIMENTS OF URBAN WASTEWATERS Russian patent published in 2015 - IPC C05F7/00 

Abstract RU 2556721 C1

FIELD: agriculture.

SUBSTANCE: method of production of organic mineral fertiliser from sediments of urban wastewaters is reactant treatment of urban wastewater sediments followed by composting the mixture, and the reagent is used as the organic mineral composition containing calcium oxide and lowland peat in a weight ratio to the sediments of urban wastewater equal to (25-75):(2-3.5):10, respectively, the sediments of urban wastewaters: calcium oxide: lowland peat, and the treated sediments are composted for at least 7 days in air.

EFFECT: invention enables to reduce the potential hazard of environmental contamination with heavy metals during sediment storage, to obtain organic mineral fertiliser at lower cost, to involve the wastes into secondary use.

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RU 2 556 721 C1

Authors

Vajsman Jakov Iosifovich

Glushankova Irina Samuilovna

D'Jakov Maksim Sergeevich

Guljaeva Irina Sergeevna

Dates

2015-07-20Published

2014-04-18Filed