Sanitizing method for eliminating microorganisms from washing/process water used for fruit and vegetable produce, comprising the steps of: filtering of the process water； electrolysis of the filtered process water in at least one electrolytic cell； turbulence promotion of the process water flow inside the at least one electrolytic cell, performed by providing the cell (s) with turbulence promoters； and wherein the electrolysis step is performed in (an) electrolytic cell (s) provided with BBD (Boron Doped Diamond) electrodes.
