Home // IARIA Congress 2023, The 2023 IARIA Annual Congress on Frontiers in Science, Technology, Services, and Applications // View article

Utilization of Ozone Water Generators for Preventing Infection in Home Care

Authors:
Koichi Umimoto
Shinichi Iguchi
Yoshimasa Shimamoto
Kastunori Tachibana
Syunji Nagata
Yuki Nakamura

Keywords: Home care; Ozone water; Bactericidal activity.

Abstract:
The prevention of opportunistic infection is important in home care. Electrolyzation of water generates ozone water, which is strongly bactericidal. Because ozone water can be produced easily and reverts to water, it is an attractive option for hygiene management in home care. Here, we developed two devices for producing ozone water for home care and investigated the properties and bactericidal ability of the water. The first, simple device comprised a lead dioxide anode, a stainless cathode, and a diaphragm. We used the device to electrolyze 1 L of tap water and measured the ozone concentration over time. In addition, we assessed the bactericidal activity of the ozone water by performing an aerobic viable count of Escherichia coli and Staphylococcus aureus. The other device used a diamond-coated titanium plate as the anode and a stainless cathode to create ozone water from tap water flowing through an outdoor hose. The ozone concentration was measured at 0, 2, and 4 m from the hose nozzle. In the simple device, the ozone concentration was 1.1 ppm 20 minutes after starting electrolysis, but 0 ppm 70 minutes afterwards. Many colonies of E. coli and S. aureus were present in the cultures before ozone water was added, but none was detected after adding 1.1 ppm of ozone water. In the flowing water device, the ozone concentrations released at 0, 2, and 4 m were 1.6 ±0.2 ppm, 1.4±0.2 ppm and 0.6±0.3 ppm, respectively. Ozone water produced with our simple device showed strong bactericidal activity. The ozone water released within 2 m from the nozzle of the flowing water device contained more than 1.0 ppm of ozone. Thus, our devices represent an economical, environmentally friendly way to produce ozone water for use as a disinfectant in indoor and outdoor home care.

Pages: 11 to 13

Copyright: Copyright (c) IARIA, 2023

Publication date: November 13, 2023

Published in: conference

ISBN: 978-1-68558-089-6

Location: Valencia, Spain

Dates: from November 13, 2023 to November 17, 2023