the present invention is a flame spray pyrolysis (flame spray pyrolysis) by the use of titanium dioxide (TiO 2 ) relates to a process for producing a photocatalytic powder for nanocomposite containing , in particular, chemical methods using a gas phase oxidation with the flame (flame) and of titanium, titanium and vanadium from the iron compound incorporated into the raw material - iron- vanadium oxide to a method for producing a nanocomposite powder in which the average particle size of less than 30 nanometers incorporated (nm) ; in the present invention to produce a nanocomposite powder of the photocatalyst titanium, iron and vanadium is added to the injection of compound concentration is produced by spraying the raw material of the ultrasonic liquid droplet by adjusting the flame reactor to provide a method for producing a nanocomposite powder .
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