FIELD: treatment of drinking water. SUBSTANCE: non-purified sewage is separated into two flows, the first flow is passed through a filter, the second flow washes off the microorganisms detained on the filter, after that the second flow is fed for irradiation by ionizing radiation, and then the second flow is returned to the technological cycle before filtering; the sewage flow rate in the first flow is 1.5 to 100.0 times higher than the sewage flow rate in the second flow. Irradiation of the second flow is carried out until concentration of microorganisms is reduced to the level of non-purified sewage. Irradiated sewage is returned to non-purified sewage or returned to the flow that washes off microorganisms from the filter. EFFECT: facilitated procedure. 4 cl, 2 dwg
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Authors
Dates
1996-04-10—Published
1993-06-30—Filed