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Chemosphere. 2001 Feb;42(4):397-403.

The spinning disc reactor--studies on a novel TiO2 photocatalytic reactor.

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Department of Chemical and Process Engineering, Newcastle University, Newcastle upon Tyne, UK.


A new type of photocatalytic reactor, the spinning disc reactor (SDR), was used to degrade aqueous solutions of 4-chlorophenol and salicylic acid. The efficiency of the photocatalytic process depends on the type of UV source used. Lamps supplying shorter wavelength UV radiation are more efficient than those whose emissions lay mainly in the near UV region. The method used to coat the disc of the SDR does not meet its operational requirements. The characteristics of the turbulent liquid films produced in the SDR reduce the influence of mass transfer over the overall photocatalytic process.

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