FIELD: water supply; sewerage.
SUBSTANCE: invention relates to a technique of wastewater treatment and can be used in the biological treatment of wastewater in aeration tanks with activated sludge. Method for increasing the efficiency of a biological wastewater treatment filter includes regulating the intensity of light. Place a lighting-aeration element, equipped with a source of lighting 3 and an aerator, directly in a volume of treated wastewater with carriers of biomass. Regulate the amount of oxygen entering the aerator. Light source 3 uses LEDs emitting rays of the blue and red emission spectrum. Lighting intensity is controlled by the number of lit LEDs and their brightness.
EFFECT: invention allows to reduce energy costs, ensure the control of the development of groups of microorganisms and ease of operation.
1 cl, 1 dwg, 1 tbl
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