FIELD: sewage treatment control. SUBSTANCE: device has container for sewage sample immersed in sewage source. Container includes hole fitted with overlapping facility. Sewage distributor and detecting head of probe are arranged inside container. Probe is connected to biological activity analyzer which is in its turn connected to process regulator. The latter is connected to hole overlapping facility and to one or more regulators of parameters of sewage treatment process. Separated sewage sample is irradiated by radiation with selected length, variations of fluorescence separated by NADH from microorganisms are detected and analyzed to determine state of sample characteristics. EFFECT: more efficient control. 18 cl, 11 dwg
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