PROCESS FOR PREPARING FERRATES (VI)

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Process for preparing ferrate (VI) granules continuously in a fluidized-bed reactor, comprising the continuous injection of an aqueous solution or dispersion of at least one salt or oxide of Fe(II) and/or Fe(III) into the reactor, the continuous injection of alkali and/or alkaline-earth metal hypohalite and alkali and/or alkaline-earth metal hydroxide, in the form of one or more aqueous solutions or dispersions, into the reactor, the control of the flow rate, pressure and temperature of the fluidization gas so as to evaporate the water introduced by the aqueous solutions and/or dispersions, and the removal of ferrate (VI) granules from the reactor.