Turbo electrochemical system

An apparatus for carrying out an electrochemical synthesis in two or more electrolysis chambers for the production of nascent oxygen and chemical radicals to be used for delignification and/or bleaching of cellulose fibres in suspensions or oxidation of other solids suspended in liquids, or for oxidation and/or bleaching of organic compounds dissolved in liquids, for example in connection with COD-reduction in wastewater or for disinfection of liquids, carried out in-line or off-line , the apparatus comprised of electrolysis chambers equipped with special electrodes, which are built in a flat form or in a round form;

• wherein the electrodes are perforated metal foils with cylindrically formed holes with diameters in the order of 10-120 .mu.m, the foil having a thickness of the same order, the perforated metal foil has an open area between 10 and 40%, and wherein nozzles are placed adapted to pump electrolyte under pressure perpendicularly against and through the perforated metal foil, and wherein electrodes in the form of perforated, metal foils are attached to and are supported by coarse wire textures made out of monofilament, electrically insulating threads or wires, these textures having openings which are substantially larger than the holes of the metal foil, the textures having mesh counts in the order of 50 to 250, and wherein these textures are supported by another, even coarser, insulating wire texture or by rods or plates perforated with large holes, made out of metals or electrically insulating materials.