Electrochemical synthesis and perspectives of application of peroxocarbonic solution for disinfection

Abstract

STEL-PEROX is the  latest  model  among  the  series  of well-known STEL devices which produce  electrochemically  activated  (ECA) solutions widely  used  for disinfection in many countries over world, including Vietnam. STEL-PEROXdevices stand out as the most effective and environmentally-friendly means against microbesby generating activeted percarbonic acid from highly diluted sodium carbonate solution. Physico-chemical and functional characteristics  of ECA solutions generated on a STELPEROX device designed and set up in  Institute  of  Envonmental  Technology-VAST  using Russian electrolytic moduls FEM-3 have been evaluated. It was shown that this device produces actually non-toxic solutions but highly effective disinfectants that destroy all forms of  pathogenous  microorganisms, including Salmonella, E-coli, Listeria, fungi etc, in very short contact times. The experimental data showed that the low general mineralization of the anolyte PEROX provides  a  high  stability  of  the  molecular  complexes  which  are hydrated, transforming into electroneutral aquacomplexes. That means that the lower the concentration of ions in solution, the greater the stability of the aquacomplexes, hence the longer the bactericidal activity of the anolyte PEROX.