Chlorine Demand Characteristics of Irish Water Supplies
About the event
Evening lecture in collaboration with CIWEM.
Chlorination is of fundamental importance to the delivery of safe hygienic drinking water in supplies serving the public. Knowledge of the chlorine demand of treated surface waters is fundamental to the design of reliable disinfection systems and to the assessment of the potential for THM formation.
The first part of the presentation outlines the importance of chlorine demand as a key process parameter in disinfection process design. Using chlorine demand measurements made on Irish water supplies derived from a range of surface water sources, a simple empirical model of the short-term chlorine demand/time profile is established. It is noted that the treated water sample set examined exhibited a wide range of chlorine demand.
The second part of the presentation examines the influence of chlorine demand on THM formation in water supplies. It is shown that production of treated water with a low chlorine demand is key to reduction in THM formation in drinking water supplies.
About the speakers
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Tom Casey, Aquavarra Research Limited
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Pat Kearney, UCD School of Civil, Structural and Environmental Engineering
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Hugh Kerr, Donegal County Council
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Admission
Free - all welcome!