Abstract
Photocatalytic activities of the mixture of TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> and NaZSM-5 as well as TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> -NaZSM-5 composite photocatalyst prepared using solid state dispersion method were investigated. Photocatalytic oxidation of methyl orange on commercial TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> nano-particles could be successfully enhanced by simple mechanical mixing with NaZSM-5 zeolite. When a mixture of TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> and NaZSM-5 (TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> :NaZSM-5 ratio=1:10) was added into the solution, methyl orange removal rate was 48.9% after 30 min of irradiation, which increased 10.6% compared with using TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> alone. However, photocatalytic activity of TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> -NaZSM-5 composite photocatalyst with TiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> :NaZSM-5 ratio from 10:1 to 1:30 prepared by solid state dispersion method decreased obviously.
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