Chlorine For Drinking Water Treatment
Chlorine is available as compressed elemental gas sodium hypochlorite solution naocl or solid calcium hypochlorite ca ocl 2 1.
Chlorine for drinking water treatment. Chlorine is used as a disinfectant by most public water systems to kill harmful microorganisms during the water treatment process. Chlorine in drinking water treatment. Thus for over 100 years we have trusted and relied on chlorine to purify our water and kill off any waterborne pathogens. Chlorine is used to keep our water clean by disinfecting it and killing germs.
The choice of the chlorine type to be used often depends on cost on the available storage options and on the ph conditions required. The milwaukee water works uses a liquid form of chlorine. Different processes can be used to achieve safe levels of chlorine in drinking water. And it does a marvelous job at eliminating most pathogens from the water we drink.
The three most common chlorine containing substances used in water treatment are chlorine gas sodium hypochlorite and calcium hypochlorite. Chlorination is the process of adding chlorine to drinking water to disinfect it and kill germs. When used in very small quantities to disinfect water it is safe and does not lead to health risks. How is chlorine added to drinking water.
Every day millions of people drink this chlorinated tap water. It s also an active ingredient in. Water treatment operators may chlorinate drinking water using either chlorine gas liquid sodium hypochlorite solution or dry calcium hypochlorite. The use of chlorine in carefully controlled dosages provides a significant public health improvement.
Chlorine dioxide is a gas. Pure chlorine is seldom used for water treatment. It s used to disinfect swimming pools and drinking water and sanitize sewage and industrial waste. Chlorine is a chemical that inhibits bacterial growth in water.
Each of these disinfectants unleashes the power of chlorine chemistry to destroy disease causing germs in water. The addition of chlorine in drinking water has been the standard in water treatment in the united states since 1904. There s chlorine in water.