Abstract
Industrial activity of trucking companies belongs to environmentally dangerous processes, which leads to the pollution of natural ecosystems, both in local and regional scale. Currently, there are strict requirements for the quality of wastewater discharged from trucking companies and car-wash sites into the outer sewer or the storm water network. This erases the urgency of the installation of local treatment facilities and implementing of the water circulating supply systems with maximum water consumption and minimum discharge of wastewater into natural water bodies. The improved technology of wastewater treatment for the trucking companies with preliminary stage of the multilayer oil-trap treatment is presented. The modeling of sedimentation process of wastewater contaminated with petroleum products allowed determine structural parameters of the proposed oil trap. The main technological parameters of wastewater treatment according to the proposed technological scheme have been determined. Implementation of the proposed technology at the trucking company allows reduce the content of petroleum products and suspended solids according to Ukrainian normative standards for water quality. This improvement minimizes the impact of contaminated wastewater on neighboring water bodies and extends capacity for water reuse in the technological process of trucking companies.
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