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Manual Control Chlorinator for the liquefaction of chlorine for water purification, early 20th century. From Chlorination of Water by Joseph Race, 1918. 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 ...
Over the next few years, chlorine disinfection using chloride of lime were rapidly installed in drinking water systems around the world. [48] The technique of purification of drinking water by use of compressed liquefied chlorine gas was developed by a British officer in the Indian Medical Service, Vincent B. Nesfield, in 1903. According to his ...
Chlorinated disinfection agents such as chlorine and monochloramine are strong oxidizing agents introduced into water in order to destroy pathogenic microbes, to oxidize taste/odor-forming compounds, and to form a disinfectant residual so water can reach the consumer tap safe from microbial contamination.
Chloramine is a chemical formed by mixing chlorine and ammonia, and it’s used to kill viruses and bacteria in municipal water treatment systems. ... John Rumpler, clean water director and senior ...
Disinfectants such as chlorine can react with natural material in the water to form disinfection byproducts such as trihalomethanes. Animal studies indicate that none of the chlorination byproducts studied to date is a potent carcinogen at concentrations normally found in drinking water.
The EPA only regulates a handful of disinfectant byproducts, including several associated with the use of chlorine. Scientists said those regulations have pushed some water providers to increase ...
It is an acid that forms when chlorine dissolves in water, and itself partially dissociates, forming a hypochlorite anion, ClO −. HClO and ClO − are oxidizers, and the primary disinfection agents of chlorine solutions. [4] HClO cannot be isolated from these solutions due to rapid equilibration with its precursor, chlorine.
Since the 1990s, many public systems have switched to inorganic chloramine, a chlorine derivative, to purify water supplies. Systems serving about 113 million people in the U.S. use this process ...
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