Process for producing chlorine dioxide

Method and device for invention relates to continuously producing chlorine dioxide, the method comprising the steps of: An aqueous solution of chloranion to reactor, acid and hydrogen peroxide; The chloranion in the reactor is a dioxide, to form the reactor comprises the product is of chlorine dioxide; Is nozzle (26) is maintained percolating water (5); Wherein the percolating water flow through the nozzle, and it according to a according to at least a part or the way of connecting a blown by ejector; The conveying the product stream from the top to the ejector, and contacting it with the percolating water, to form a dioxide diluted solution, and; Extract is maintained the comprising a dioxide diluted solution.