Effect of temperature on pH, turbidity, and residual free chlorine in Sanandaj Water Distribution Network, Iran
Journal Title: Journal of Advances in Environmental Health Research (JAEHR) - Year 2015, Vol 3, Issue 3
Abstract
One of the parameters responsible for decreased water quality in a distribution system is temperature changes. This study was conducted to examine the effect of temperature on pH, turbidity, and residual chlorine in Sanandaj, Iran, Water Distribution System. The required water samples were taken from 85 stations during April to October 2014. Sampling was carried out over 6 months and twice per month. The average amount of residual chlorine measured at these stations was 0.58 and 0.52 mg/l, and turbidity was 0.86 and 0.98 nephelometric turbidity unit (NTU) in winter and spring, respectively. The temperature did not have any effect on pH, the amount of pH in winter and spring were 7.56 and 7.57, respectively. The results showed significant differences in the concentration of residual chlorine and turbidity of Sanandaj Water Distribution Network between winter and spring (P ≤ 0.01). Thus, the concentration of residual chlorine and turbidity varies in warm and cold seasons. However, no significant difference was observed in pH (P ≥ 0.01). The research results indicated that temperature does not have any effect on the qualitative parameters measured in the study area.
Authors and Affiliations
Asad Nouri, Behzad Shahmoradi, Saeed Dehestani-Athar, Afshin Maleki
Healthcare waste management and practices: A case study in Kodagu District, Karnataka, India
Inappropriate handling and disposal practices of healthcare waste (HCW) at healthcare centers are significantly increasing health and environmental hazards. This paper summarizes the existing situation of HCW handling an...
System assessment and analysis of dangers in water safety plan: a case study in a desert city in Iran in 2017
Access to clean and safe drinking water has been the focus of officialsin charge of supplying water through many different methods. Water safety program is a new method for ensuring the safety of water by applying syst...
Health impact assessment of particulate matter in Sanandaj, Kurdistan, Iran
Air pollution is a major environmental issue in all regions of the world. We aimed to assess the health impacts of particulate matter with an aerodynamic diameter 10 µm (PM10) in Sanandaj, Kurdistan, Iran. The air pollu...
Noise pollution and its spatial distribution in urban environments (case study: Yazd, Iran)
This study focuses on identifying source and frequency of noise pollution in Yazd, Iran. For data collection, we used two approaches: First we selected 55 monitoring stations for 122 km grid network; the distance between...
Comparison of technical and economic efficiency of extended aeration and sequencing batch reactors processes in hospital wastewater treatment
Wastewater of hospitals can cause many risks to public health due to having a variety of pathogenic microorganisms, pharmaceutical substances, and other hazardous toxic substances. The aim of this study was to evaluate t...