This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
To the Editor:
—An interesting editorial on the purification of water by ozone appears in The Journal, August 21. In the closing paragraph appears the following:"To justify the introduction of any new system of water purification, even though it be one of recognized efficiency, the question of comparative cost should be presented in such a way as to convince reasonable inquirers. This has not yet been done with the ozonization process."May I be permitted to draw your attention to the fact that in America data are available covering the comparative costs of ozonization and sand infiltration. The Murphy Cold Storage & lee Company of Detroit have for over two years been sterilizing water by ozone, and they have found that it cost 4 cents for electric energy for 50 tons of water sterilized.At Lindsay, Ontario, an ozone purification plant has been in operation since last October purifying
Bridge JH. Purification of Water by Ozone. JAMA. 1909;LIII(13):1042. doi:10.1001/jama.1909.02550130058011
Coronavirus Resource Center
Customize your JAMA Network experience by selecting one or more topics from the list below.
Create a personal account or sign in to: