Wastewater treatment of hospitals from pharmaceutical and bacterial contaminants

Abstract

The medical establishments are considered the main source of wastewater containing micropollutants like pharmaceuticals and pathogens. Performing of the local sewage treatment of hospitals from pharmaceuticals and their simultaneous disinfection in the field of direct formation can virtually eliminate inflow into the municipal sewage system (MSS) of this type of polluted wastewaters. In this case, the anodic oxidation method of pharmaceuticals contained in the sewage of hospitals is proposed with using in a treated sewage of 500 mg/l of sodium chloride and RuO2 - anode. Via the method of liquid chromatography mass spectrometry was confirmed the complete destruction of diclofenac and beta-estradiol molecules in the treated wastewater as well as furosemide, atenolol, cefuroxime and mixtures of all five substances. Microbiological researches of treated water samples showed the full inhibition of the cultivation of pathogenic culture of Escherichia Coli.