Abstract
The problem of searching for resource-saving and cost-effective technologies for cleaning rinsing water within the filter structures of waterworks remains relevant for many years. Most of contaminated wastewater of Sverdlovsk Region comes to the surface water bodies from Municipal Unitary Enterprise ‘Vodokanal’. The solution of engineering tasks aimed at the environmental situation improvement in urban areas and water bodies protection from pollution subsequently requires continuous improvement of wastewater treatment methods. The paper examines the construction project of rinsing waters treatment unit of the filter station of Municipal Unitary Enterprise ‘Vodokanal’ with the formation of dehydrated sludge and provides the calculations of technical and economic parameters of the project. The project implementation is expected to result in a decrease of the man-caused environmental impact by eliminating the rinsing waters discharge, as well as by reducing the amount of water taken from the surface source into the technological process of potable water treatment.
Highlights
In the modern world, ecology is one of the basic components of the concept of favorable human habitat, along with its social and economic aspects
The project implementation is expected to result in a decrease of the man-caused environmental impact by eliminating the rinsing waters discharge, as well as by reducing the amount of water taken from the surface source into the technological process of potable water treatment
The problem of safe sludge deposition and the use of rinsing waters purification technologies on filter stations is extremely relevant for Russia, where surface water is the main source of centralized water supply
Summary
Ecology is one of the basic components of the concept of favorable human habitat, along with its social and economic aspects. In 2015, the volume of contaminated wastewater discharged into the country's water bodies reduced to 14.4 billion cu. It should be noted that, despite appreciable positive trends in the absolute change of the wastewater discharge, its relative share in the total volume of wastewater disposal in water sources has remained unchanged in recent years (its value is about one third). 3. Facts and figures of water management and wastewater disposal in Sverdlovsk region The quality of the surface waters is largely formed under the influence of economic activity, primarily under the influence of industrial and domestic wastewater discharges. The greatest amount of contaminated wastewater enters the surface water sources of the region from a number of enterprises working in the spheres of: communal services – 55 percent; processing industries – 30 percent; minerals extraction – 9 percent.
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