RADIOACTIVE SEWAGE DECONTAMINATION MICROFILTER Russian patent published in 1999 - IPC

FIELD: reagentless microbic purification of radioactive sewage of atomic electric and thermal power stations without sediment and repair of surface and underwater vessels with atomic power plants, radioactive sewage of institutes employing nuclear reactors, with separation of biomass with radionuclides accumulated by it by microfiltration. SUBSTANCE: deformation of the tapered flexible partition is accomplished by a flexible ring of the lower disk fitted on the additional drive shaft for reciprocating motions downwards from the pusher engageable with an eccentric, and upwards from the flexible member fitted on the hub of the drive shaft, the sewage feed pipe connection communicates with the decontamination unit. EFFECT: enhanced efficiency of purification. 2 dwg