Abstract
The article presents a method for calculating the parameters of treatment facilities to bring the level of precipitation and wastewater from small enterprises, shops, and services of the Republic to the level of sewage and irrigation trays. The aim is to improve the design parameters of resource-efficient wastewater treatment plants and their widespread use, increase the production capacity of local wastewater treatment plants, improve the level of wastewater treatment and prevent environmental degradation. Hydraulic calculation of the design parameters of the settling tank was carried out at the local treatment plant. The precipitator works by precipitating suspended solids and separating petroleum products from the liquid surface. At the local treatment plant, the content of petroleum products in industrial and precipitation effluents was reduced to 3 mg/l, and the number of suspended solids to 1-1.5 mg/l.
Highlights
It is known that as the living standards of the population improve, the material resources to meet human needs increase, and as a result, the amount of wastewater increases.If we focus on the level of car ownership, which is one of the factors determining the population's living standards, from 2013 to 2020, the number of cars per 100 households increased from 35 to 48
This article presents a method for calculating the new design parameters of compact monoblock local wastewater treatment plants (LWT) for wastewater of enterprises and small enterprises specializing in car washing
The recommended LWT consists of the following elements: drainage pipes, clarifier, rapid filter, oil collector (KC10- 9 brand 2 made of reinforced concrete rings for sewer wells), stainless steel reinforcing mesh
Summary
It is known that as the living standards of the population improve, the material resources to meet human needs increase, and as a result, the amount of wastewater increases. The State Committee for Nature Protection of the Republic of Uzbekistan adopted RH 84.3.6: 2004 - "Regulation of discharge of pollutants into water basins and relief zones, taking into account the technically achievable indicators of wastewater treatment" adopted by the State Committee for Nature Protection of the Republic of Uzbekistan in 2004 Instructions for installation (working document) [3, 4]. This requirement stipulates the level of suspended solids and petroleum products in the water after the local wastewater treatment plants of road transport enterprises. The enterprises specializing in the washing of vehicles in the territory of Uzbekistan LWT are more foreign-made products and products of joint ventures, the import, installation, and repair of which lead to high overhead costs
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