Impact of Low-Pressure UV Lamp on Swimming Pool Water Quality and Operating Costs

UV lamps are being increasingly used in the treatment of swimming pool water, mainly due to their abilities disinfect and effectively remove chloramines (combined chlorine). However, application a closed loop system, such as that which water is treated, creates conditions under chlorinated then also irradiated with UV. Thus, advanced oxidation process occurs, affects transformation organic matter its increased reactivity, hence higher usage chlorine disinfectant. In addition, require electrical power periodic replacement filaments. order assess whether low-pressure lamp justified, quality tests an analysis operating costs (including energy consumption) system were carried out for two operation variants—those turned on off. The experiments real object AGH University Science Technology sports one year. consumption electricity reagents was measured. following values selected parameters observed (for without lamp, respectively): 0.68 0.52 mg/L combined chlorine; 3.12 3.02 dissolved carbon; 15.70 15.26 µg/L trihalomethanes; 7 6 cfu/mL mesophilic bacteria; 20 psychrophilic bacteria. Generally, statistically important differences not observed, thus technology did bring expected improvement quality. electric (by 29%) disinfectant 15%), need periodically replace filaments significantly 21%) ecological impact, this cannot be considered profitable or ecological.