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.

Chlorination is the process of adding chlorine to drinking water to disinfect it and kill germs. Chlorine in drinking water treatment. The addition of chlorine in drinking water has been the standard in water treatment in the united states since 1904. Chlorine dioxide is a gas.

Water treatment operators may chlorinate drinking water using either chlorine gas liquid sodium hypochlorite solution or dry calcium hypochlorite. There s chlorine in water. It is commonly used to disinfect drinking water. When used in very small quantities to disinfect water it is safe and does not lead to health risks.

But the use of this powerful chemical has a downside. Thus for over 100 years we have trusted and relied on chlorine to purify our water and kill off any waterborne pathogens. The use of chlorine in carefully controlled dosages provides a significant public health improvement. Chlorine is used as a disinfectant by most public water systems to kill harmful microorganisms during the water treatment process.

Each of these disinfectants unleashes the power of chlorine chemistry to destroy disease causing germs in water. How is chlorine added to drinking water. Every day millions of people drink this chlorinated tap water. Large amounts of chlorine are produced for use as disinfectants and bleach for both domestic and industrial purposes and it is also widely used to disinfect drinking water and swimming pool water and to control bacteria and odours in the food industry 3 4.

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 three most common chlorine containing substances used in water treatment are chlorine gas sodium hypochlorite and calcium hypochlorite. It s also an active ingredient in. The milwaukee water works uses a liquid form of chlorine.

Different processes can be used to achieve safe levels of chlorine in drinking water. Chlorine is used to keep our water clean by disinfecting it and killing germs. Chlorine is a chemical that inhibits bacterial growth in water.