Abstract
Micrometric particles of Ag3PO4 were prepared by a simple precipitation method, and the as-prepared material was characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FEG-SEM), nitrogen sorption isotherms, Raman spectroscopy and UV-visible diffuse reflectance spectrophotometry. Ag3PO4 particles showed excellent catalytic activity for degradation of phenol using simulated sunlight irradiation (Xenon lamp). After one hour of treatment, approximately 75% of phenol was completely mineralized. Additional experiments were conducted in order to evaluate the influence of dissolved oxygen in the photocatalytic process. During photodegradation assisted by Ag3PO4, it was considered that oxygen production and phenol oxidation were competitive processes.
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