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The initial rate of TiO(2)-mediated photodegradation of phenol was studied as a function of the initial concentration of substrate using the linearised form of the Langmuir-Hinshelwood equation. The rationalisation of the rate constants K and apparent equilibrium adsorption constants K are discussed on the basis of their dependency on the apparent reaction order. The advantages of the membrane process with respect to the use of colloidal suspensions of TiO(2) is also considered, and the kinetic significance of K on the basis of no measurable dark adsorption onto the photocatalytic membranes.

Additional information

Authors: BARNI B ET AL., Università di Milano (IT);GIANTURCO F, Chimia Prodotti e Processi, Milano (IT);DE GIORGI A, Chimia Prodotti e Processi, Milano (IT);MUNTAU H, JRC Ispra (IT)
Bibliographic Reference: Article: Chemosphere
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