Chlorine Disinfection Water Treatment

The level of underchloric acid will decrease when the ph value is higher.

Chlorine disinfection water treatment. As a disinfectant it has drawbacks but it also has advantages. Drinking water sources are subject to contamination and require. Coli hepatitis a giardia intestinalis and other pathogens. 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.

Chlorine is a highly effective method of disinfection. 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. Fact sheet on disinfection one of the primary mechanisms for the inactivation or destruction of pathogenic organisms. Us epa ow owm water permits division subject.

Since 1972 capco water solutions has been providing three industry standard disinfection technologies including electro chlorination chlorine dioxide gas feed instrumentation. 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. Environmental protection agency epa allows drinking water treatment plants to use chloramine and chlorine to disinfect drinking water. The most common use of chlorine in water treatment is to disinfect water.

When many people think about water disinfection chlorine is the first treatment method that comes to mind. Other methods of disinfection such as ultraviolet and ozonation are effective disinfectants but they do not provide a residual to prevent pathogen regrowth as chlorination does. 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. Wastewater technology fact sheet.

Disinfection with chlorine will take place optimally when the ph is between 5 5 and 7 5. Environmental protection agency epa allows drinking water treatment plants to use chloramine and chlorine to disinfect drinking water. Water providers may temporarily switch from chloramine to chlorine disinfection to help remove this scum. Research shows that chloramine and chlorine both have benefits and drawbacks.

It is 80 100 more effective. Underchloric acid hocl reacts faster than hypochlorite ions ocl. However even in the u s drinking water sources can become contaminated causing sickness and disease from waterborne germs such as cryptosporidium e. Contains information on how to use chlorine as a disinfectant for municipal wastewater.

Water system pipes develop a layer of biofilm scum that makes killing germs more difficult 5. Visit our contact us page to submit an enquiry.