DEVICE FOR BIOLOGICAL PURIFICATION OF SEWAGE WATERS Russian patent published in 2009 - IPC C02F3/22 C02F3/20 

Abstract RU 2344998 C1

FIELD: chemistry.

SUBSTANCE: invention is intended for usage as local purification installations in cottages, detached houses or groups of houses, roadside public catering enterprises. Device for biological purification of sewage waters contains joined in one body blocks: sewage receiver, denitrificator. Sewage receiver is placed in denitrificator and is made in form of spiral twisted pipe, vertically oriented, and is supplied with upper mouth, located higher than maximum sewage level in sewage receiver and denitrificator.

EFFECT: highly efficient and reliable purification of household sewage is simple in exploitation, reliable, durable and suitable for serial production.

2 dwg

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RU 2 344 998 C1

Authors

Belov Aleksandr Evgen'Evich

Dates

2009-01-27Published

2007-10-04Filed