پزشکی بالینی ابن سینا (Dec 2002)
The Study of Effluent Health Quality of Serkan City Wastewater Treatment Plant in 1999
Abstract
In attention to healthy risks of effluent discharge of wastewater from treatment plants to water sources and use in agriculture , this study was carried out for quality assessment of effluent discharge from Serkan wastewater treatment plant in Serkan , Hamadan, Iran in summer 1999. For this investigation, according to Iranian EPA standard’ s procedure , the mixing sampling method was carried out from effluent over 24 hour , and some of physical ,chemical and biological characteristics of sample measured by standard methods. According to the results of this research the mean of BOD, COD, TSS, NO3, P were 49,84,237,57,11 mg/l respectively and amounts of egg and cyst of parasites were 331 N/L. However, the results showed that amounts of some of the characteristics including: TDS, Turbidity, Nitrite and heavy metals were in acceptable range of national and international standards. But the amounts of other characteristic including: BOD, COD, TSS, NO3 , P, and choliforms index, Ascaris eggs, trichocephal, Giardia cyst, Amibiacoli were more than standards.