Abstract
In this investigation photocatalytic degradation of azo dye Acid Red 114 in water was studied. Titanium (IV) oxide was supported on clinoptilolite (CP) (Iranian natural zeolite) using solid-state dispersion (SSD) method. The results show that the TiO 2 /clinoptilolite (SSD) are an active photocatalyst. The maximum effect of photodegradation was observed at 10 wt.% TiO 2 , 90 wt% clinoptilolite. A first order reaction with K = 0.0127 min −1 was observed for the photocatalytic degradation reaction. The effects of some parameters such as pH, amount of photocatalyst, and initial concentration of dye were also examined. Based on the results, a model was proposed for photodegradation of dyes using immobilized [TiO 2 /clinoptilolite (SSD)]. This model can be useful for the development of this technology for wastewater treatment applications.
Published Version
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