Abstract

Although disinfection is a crucial process for the safety of drinking water, it is responsible for the formation of disinfection by-products (DBPs) being accused of severe health problems. The present study presents the development of models predicting trihalomethanes (THMs) in a drinking water supply system in Greece. Although some of the developed models can be used for the prediction of THMs, they are site-specific and cannot be used extensively.

Highlights

  • Disinfection is considered a important process for drinking water safety, as it inactivates pathogenic micro-organisms protecting human health

  • The present study presents the development of models predicting THMs in a drinking water supply system in Greece

  • The data are taken from a water utility serving a city of about 55.000 people

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Summary

Introduction

Disinfection is considered a important process for drinking water safety, as it inactivates pathogenic micro-organisms protecting human health. The first studies on DBPs appeared in the 1970s when Rook and others identified CM and other THMs in drinking water [3,4,5]. While DBPs formed are accused to be toxic and carcinogenic organic compounds, residual chlorine is crucial for the drinking water supply systems. The present study presents the development of models predicting THMs (total, CM, BM, DCBM, DBCM) in a drinking water supply system in Greece. THMs predictive models are helpful to the water utility managers for decision making and can be used as a tool for the optimal selection of boosters to minimize DBPs formation and at the same time maintain the right disinfectant residual

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