DOI 10.35776/VST.2022.04.05
UDC 628.33:628.212.2

Vereshchagina Lidiia, Khudiakova Dar’ia, Gromov Grigorii

Principal directions for improving process flow schemes and designs of units for surface runoff treatment

Summary

The issues of surface runoff treatment from the territories of communities of various functional purposes are considered, in particular, the improvement of process flow schemes and designs of low-capacity local treatment facilities of flow-through or storage type, that discharge the effluents into the public wastewater disposal systems and water bodies. The features of the organization of systems for the surface runoff disposal and treatment, as well as the provisions of the water and environmental legislation of the Russian Federation and design code that have come into force over the past 2 years are given. It is noted that in the context of the transition of the federal regulation of wastewater discharge to technological regulation based on the best available technologies, the scope of small-capacity facilities of flow-through and storage type tends to expand. This is due to the fact that the customers are allowed to use them while discharging surface runoff into the public wastewater disposal systems of the communities, provided the quality of effluents received by these systems comply with the regulatory requirements. Principal schemes of the flow-through and storage type facilities for surface runoff treatment in combination with tertiary treatment plants are given. Casings of underground tanks and vessels, including improved flow-through units for the primary mechanical treatment of surface runoff, are made of fiberglass pipes of increased ring stiffness and durability.

Key words

mechanical treatment , thin layer sedimentation , surface runoff , wastewater management systems , storage settling tank , treatment facilities of flow-through and storage type , filtration-sorption tertiary treatment , open hydraulic cyclone , fiberglass pipes

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