Tag:dehydrogenase activity

№1|2020

WASTEWATER TREATMENT

DOI 10.35776/MNP.2020.01.03
UDC 628.355

Zalyotova N. A., Zalyotov S. V.

The study of the response of dehydrogenase activity
of sludge to a change in the process parameters of an aeration tank

Summary

The biological method of wastewater treatment is a comprehensive multicomponent process; the activities of the enzyme system being the key component of it. It is known that dehydrogenases have been one of the most important enzymes the ensure the biological process. The complicated mechanism of the action of enzymes has not been fully described so far; however, in the practice of monitoring biological treatment processes, an indicator of the dehydrogenase activity of sludge is used. The research results provided for supplementing the available information with actual data on the interdependence of the level of dehydrogenase activity of sludge and indicators of individual process parameters of biological treatment. It was shown that the mode of operation of aeration tanks (organic matter load on sludge, dose of activated sludge, etc.) and the values of the initial dehydrogenase activity and dehydrogenase activity of the same sludge sample with weakly concentrated solution (DASН2О) are interconnected and depend on the organic load on sludge. The results of the study can be used to control the biological process of wastewater treatment.

Key words

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