STORAGE RESERVOIR FOR CLEANING EFFLUENTS FROM CHROMIUM Russian patent published in 1999 - IPC

Abstract RU 2142395 C1

FIELD: waste water treatment. SUBSTANCE: storage reservoir is made in the form of foundation pit in natural loose ground with, placed on walls and bottom, pitillite clay layer and sulfate rock (anhydrite) layer, water surface of reservoir being covered with cyanobacteria layer. Hexavalent chromium oxide ion is thus removed. EFFECT: increased reliability of storage and cleaning. 1 dwg

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RU 2 142 395 C1

Authors

Kropachev A.M.

Dates

1999-12-10—Published

1997-02-07—Filed