Journal of Hospital Infection*, 100,(2018) e 98 e-104 , continuation of 94, 2, 2016, page 169-174
Minimizing Microbial Contamination Risk simultaneously from multiple hospital washbasins by automated cleaning of U-bends with electrochemically activated solutions
E.C. Deasy , E.M. Moloney, M.A. Boyle , J.S. Swan , D.A. Geoghegan, G.I. Brennan, T.E. Fleming, M.J. O’Donnell, D.C. Coleman
Anolyte and catholyte solutions were produced by electrochemical activation of an NaCl solution using a Clarentis UL-75a ECA generator. The generator was configured to produce anolyte measured at 800 parts per million (ppm) free available chlorine (FAC) at pH 7, having an oxidation reduction potential (ORP) of +880 mV and consisting of approximately 632 ppm of hypochlorous acid (79%) and 162 ppm of OCl¯ (20.2%). Catholyte is an amphoteric surfactant with a surface tension of 63nM force and was produced at pH 12.5 and ORP of approximately -1000 mV ORP, consisting of approximately 400 ppm of NaOH. Freshly generated anolyte was used undiluted. Freshly generated catholyte was diluted 1:5 with mains water with a temperature after dilution of approximately 33° C.
Conclusion: Simultaneous automated treatment of hospital washbasin U-bends with ECA consistently minimizes bacterial contamination infection and thus the associated risk of infection.