Chlorine Disinfection Water Treatment

However even in the u s drinking water sources can become contaminated causing sickness and disease from waterborne germs such as cryptosporidium e.

Chlorine disinfection water treatment. When many people think about water disinfection chlorine is the first treatment method that comes to mind. The epa first published a water treatment manual on disinfection in 1998. Fact sheet on disinfection one of the primary mechanisms for the inactivation or destruction of pathogenic organisms. Since the publication of this manual there have been significant developments both in terms of the technology and understanding of the disinfection of drinking water and in the supervisory role of the epa in the drinking water area.

Chlorination was achieved by controlled additions of dilute solutions of chloride of lime calcium hypochlorite at doses of 0 2 to 0 35 ppm the treatment process was conceived by john l. Chlorination has been used very successfully to disinfect water at the municipal level for many years and it s still the best type of treatment for specific types of water problems. Us epa ow owm water permits division subject. Drinking water sources are subject to contamination and require.

The effectivity of disinfection is determined by the ph of the water. Environmental protection agency epa allows drinking water treatment plants to use chloramine and chlorine to disinfect drinking water. Research shows that chloramine and chlorine both have benefits and drawbacks. The most common use of chlorine in water treatment is to disinfect water.

The first continuous use of chlorine in the united states for disinfection took place in 1908 at boonton reservoir on the rockaway river which served as the supply for jersey city new jersey. Contains information on how to use chlorine as a disinfectant for municipal wastewater. Underchloric acid hocl reacts faster than hypochlorite ions ocl. Since 1972 capco water solutions has been providing three industry standard disinfection technologies including electro chlorination chlorine dioxide gas feed instrumentation.

Water providers may temporarily switch from chloramine to chlorine disinfection to help remove this scum. Disinfection with chlorine will take place optimally when the ph is between 5 5 and 7 5. As a disinfectant it has drawbacks but it also has advantages. Wastewater technology fact sheet.

Water system pipes develop a layer of biofilm scum that makes killing germs more difficult 5. Chlorine is a highly effective method of disinfection. It is 80 100 more effective. Coli hepatitis a giardia intestinalis and other pathogens.

Environmental protection agency epa allows drinking water treatment plants to use chloramine and chlorine to disinfect drinking water. Visit our contact us page to submit an enquiry.