METHOD OF PRODUCING ORGANO-MINERAL FERTILISER FROM WASTEWATER SLUDGE BY COMPOSTING Russian patent published in 2013 - IPC C05F7/00 

Abstract RU 2489414 C2

FIELD: agriculture.

SUBSTANCE: method of producing organo-mineral fertilising mixture which comprises mixing urban wastewater sludge with filler, disintegrant and detoxifier, and as filler, disintegrant, and detoxicant the pine sawdust is used with the fraction size up to 2 mm, which are mixed with urban wastewater sludge with the fraction size up to 5 mm in a weight ratio of 1:0.5, respectively, and then the mixture is subjected to composting.

EFFECT: invention enables to simplify, reduce the cost of technology to produce organo-mineral fertilisers and improve the fertilising value of the desired final product.

2 cl, 10 tbl, 2 ex

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RU 2 489 414 C2

Authors

Pravkina Svetlana Davletovna

Karjakin Aleksej Viktorovich

Levin Viktor Ivanovich

Khabarova Tat'Jana Valer'Evna

Dates

2013-08-10Published

2011-02-09Filed