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Healthcare 2014, 2(4), 516-526; doi:10.3390/healthcare2040516

A Modern Approach to Disinfection, as Old as the Evolution of Vertebrates

1
Administrative Services Business, ASL AT, via Conte Verde 125, 14100 Asti, Italy
2
Department of Chemical and Pharmaceutical Sciences, University of Ferrara, via Fossato di Mortara, 17-27, 44121 Ferrara, Italy
*
Author to whom correspondence should be addressed.
Received: 6 October 2014 / Revised: 17 November 2014 / Accepted: 8 December 2014 / Published: 19 December 2014
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Abstract

The immune system of vertebrates “naturally” produces hypochlorous acid (HOCl) to fight against bacteria and pathogens. A patented electrochemical technology mirrors the above defense system, allowing the synthesis of HOCl solutions through the electrolysis of water enriched in salts, at the level of a few grams per liter. The system allows for the careful control of the pH of produced solutions, with consequent optimization of their activity. Once the HOCl is introduced into the water system; it is able to remove the biofilm from pipe network; significantly decreasing the level of Legionella colonization; within 8–10 weeks from the beginning of the disinfection approach. The technology has been applied in a variety of healthcare facilities, both in Italy and in neighboring European countries. In the present paper, two successful case studies are briefly presented: Data were obtained from experiences in two different healthcare facilities, one in Italy and the other in Germany. Destruction of biofilm was indirectly testified by an increase of total organic carbon content of water; as a consequence, and because of the dosing of the disinfecting agent, some μg/L of total halomethanes were also formed. However, both compositional features were only observed during the initial stages of the disinfection treatment. View Full-Text
Keywords: hypochlorous acid; water disinfection; Legionella; electrochemical synthesis; anolyte hypochlorous acid; water disinfection; Legionella; electrochemical synthesis; anolyte
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Migliarina, F.; Ferro, S. A Modern Approach to Disinfection, as Old as the Evolution of Vertebrates. Healthcare 2014, 2, 516-526.

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