What is Chlorination? - Safe Drinking Water Foundation
网页2016年11月27日 · The main purpose of chlorination is to disinfect water, but it also has many other benefits. Unlike some of the other disinfection methods like ozonation and ultraviolet radiation, chlorination is able to provide a residual to reduce the chance of pathogen regrowth in water storage tanks or within the water distribution system.
Water chlorination - Wikipedia
网页Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. This method is used to kill bacteria, viruses and other microbes in water. In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid. [1] [2] [3]
网页Procedure for chlorinating the system. Adjust feed control valve to full open position. Turn on the water supply to start filling. Test chlorine residual level at a sample point within ten feet of the entry point. Follow Engineer’s specifications on the chlorine residual level.
网页Chlorination. Calcium hypochorite granules with ~65 percent available chorine by weight shall be used for chlorination. During construction, calcium hypochlorite granules shall be placed at the upstream end of the first section of pipe, at the upstream end of each branch main, and at 500-ft intervals.
网页Installation and repair of water mains provides a direct opportunity for contamination of the distributed water. Roughly 4,400 miles (7,080 km) of cast iron pipe are replaced each year, and an estimated 13,200 miles (21,240 km) of new pipe are installed each year.
Drinking Water Chlorination: Frequently Asked Questions
网页2022年10月3日 · Drinking water chlorination is the addition of chlorine to drinking water systems. It is the most common type of drinking water disinfection. Disinfection kills bacteria, viruses, and other microorganisms that cause disease and immediate illness. Chlorine is effective and continues to keep the water safe as it travels from the treatment plant ...
网页This section provides the required procedure for water main flushing, testing, disinfection, and de-chlorination of water mains prior to placing the main in service. This section includes Corporation Cocks, Hydrostatic Testing, and Disinfection of Water. mains.
Chlorinated drinking-water - Chlorinated Drinking-Water; Chlorination …
网页Estimates of the total halogenated organic matter generated during chlorination suggest typical levels in the range < 10–250 μg/l as chlorine. The main chlorination by-products are trihalomethanes and chlorinated acetic acids, which usually occur in the range 1–100 μg/l (although higher levels have been reported).
Water supply system - Chlorination, Purification, Treatment
网页2024年8月15日 · The addition of chlorine or chlorine compounds to drinking water is called chlorination. Chlorine compounds may be applied in liquid and solid forms—for instance, liquid sodium hypochlorite or calcium hypochlorite in tablet or granular form.
Chlorination – Drinking Water and Human Health - Extension
网页2019年8月23日 · Chlorine disinfection is a point-of-entry treatment that kills pathogens, including certain viruses and bacteria. In addition, chlorination can offer residual disinfection throughout the household water distribution system.
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