Abstract

NO other process of water purification has had such an astounding growth as the disinfection of water by chlorination. This growth began when bleaching powder or hypochlorite of lime was applied to the Jersey City water supply on a continuous basis at Boonton, N. J., in 1908. The outstanding results obtained with the process and the conditions existing at the time were contributing factors to this rapid expansion. Experiments conducted at the time by eminent water purification and public health authorities such as Professors Mason, Kinnicutt, Park, Westbrook, Drs. Leal and McLaughlin, and Mr. Johnson, on the coliform and typhoid organisms in water gave identical results-in each instance the organisms were destroyed by bleach. To them it was surprising that the small quantities of hypochlorite used were sufficient to kill pathogens. As a result of the success obtained by these experiments and the acceptance of the disinfection process by the courts, attention was immediately focused upon the process. The interest created was without doubt materially accelerated by the numerous typhoid fever

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