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UDC 628.212.2

Ganbarov E. S., GULIEV F. S.

Municipal surface runoff treatment in Baku

Summary

A number of problems related to establishing a centralized system of surface runoff treatment from built-up areas by the example of Baku under the conditions of the regulated inflow with the restoration of the functions of the operating separate wastewater disposal system are considered. A process flow scheme of the centralized treatment of surface runoff with placing treatment facilities in two locations has been developed. The location of one of the treatment plants is planned near the Azerbaijan Bay; it is designed for chemical free treatment by sedimentation and filtration of surface runoff from a group of sewers in the central part of the city in case of using part of the effluent for the municipal landscape irrigation; in case of discharging the effluent into the sea chemical treatment is applied. The second plant is planned to build outside the city on the basis of the operating treatment facilities of Zykh community with subsequent tertiary effluent treatment at the municipal treatment facilities. The efficiency of the basic elements of the surface runoff treatment and tertiary treatment scheme at the first plant was studied on the basis of the experimental tests of sedimentation and tertiary treatment by filt­ration through floating foamed polystyrene bed. Upgrade and re-equipment of the wastewater disposal systems is one of the most complicated engineering tasks focused on improving the environmental situation and protecting the municipal coastland from pollution with surface runoff. Establishing the scheme of surface runoff removal and treatment from the built-up Baku area with installing trunk storm sewers, separation chambers and regulating tanks will provide at last for the solution of the most important environmental problem.

Key words

storm sewers , trunk sewer , surface runoff , filtration , treatment facilities

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REFERENCES

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