| Summary: | A special and long lasting problem in the Slovak republic in the substantial hydraulical overloading of some wastewater treatment plants. Because their technology of treatment is inconvenient and the quality of treated water is not according to the standard of the Slovak legislation, it is necessary to intensify the treatment efficiency. According to the Slovak Government Decree 491/2002 code of laws, some qualitative indicators (BOD5, suspended solids, N-NH4) of water treated at the municipal treatment plant in Strážske are exceeded. As the best economical solution is use the free treatment capacity of the near industrial wastewater treatment plant in Chemko Strážske. In paper is presented an optimal way of treatment of the wastewater from municipal and industrial sources in Strážske and, based on the treatment efficiency, qualitative parameters of the treated water are compared with valid legislative limits.
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