How does Chlorine Inactivate Microorganisms?Ĭhlorine inactivates a microorganism by damaging its cell membrane. An emergency water situation can be anything from a filter breakdown to a mixing of treated and raw water. It is an effective method in water emergency situations as it can eliminate an overload of pathogens relatively quickly. The chlorination process is also fairly easy to implement, when compared to other water treatment methods. In cases where protozoan cysts are not a major concern, chlorination is a good disinfection method to use because it is inexpensive yet effective in disinfecting many other possibly present contaminants. ![]() Some protozoan cysts are resistant to the effects of chlorine. A leading advantage of chlorination is that it has proven effective against bacteria and viruses however, it cannot inactivate all microbes. Why do we Chlorinate our water?Ī large amount of research and many studies have been conducted to ensure success in new treatment plants using chlorine as a disinfectant. Today, chlorination is the most popular method of disinfection and is used for water treatment all over the world. With this new find, chlorination began in Great Britain and then expanded to the United States in 1908 and Canada by 1917. In 1835, chlorine was used to remove odours from the water, but it wasn't until 1890 that chlorine was found to be an effective tool for disinfecting a way to reduce the amount of disease transmitted through water. At that time, people believed that odours from the water were responsible for transmitting diseases. The History of ChlorinationĬhlorine was first discovered in Sweden in 1744. It is a chemical disinfection method that uses various types of chlorine or chlorine-containing substances for the oxidation and disinfection of what will be the potable water source. This method was first used over a century ago, and is still used today. ![]() Along with other water treatment processes such as coagulation, sedimentation, and filtration, chlorination creates water that is safe for public consumption.Ĭhlorination is one of many methods that can be used to disinfect water. In order to combat waterborne diseases, different disinfection methods are used to inactivate pathogens. ![]() Pathogens present in water can be transmitted through a drinking water distribution system, causing waterborne disease in those who consume it. While not all microorganisms are harmful to human health, there are some that may cause diseases in humans. Microorganisms can be found in raw water from rivers, lakes and groundwater. WHAT IS CHLORINATION FACT SHEET What is Chlorination?
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