A facile synthesis of K(3)PMo(12)O(40)/WO(3) crystals for effective sonocatalytic performance

Proper treatment of hazardous contaminants in the air, land, and water is crucial to environmental remediation. Sonocatalysis, by using ultrasound and suitable catalysts, has shown its potential in organic pollutant removal. In this work, K(3)PMo(12)O(40)/WO(3) sonocatalysts were fabricated via a facile solution method at room temperature. Techniques such as powder X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy, and X-ray photoelectron spectroscopy were used to characterize the structure and morphology of the products. By using the K(3)PMo(12)O(40)/WO(3) sonocatalyst, an ultrasound-assisted advanced oxidation process has been developed for the catalytic degradation of methyl orange and acid red 88. Almost all dyes were degraded within 120 min of ultrasound baths, proving that the K(3)PMo(12)O(40)/WO(3) sonocatalyst has the advantage of speeding up the decomposition of contaminants. The impacts of key parameters, including catalyst dosage, dye concentration, dye pH, and ultrasonic power were evaluated to understand and reach optimized conditions in sonocatalysis. The remarkable performance of K(3)PMo(12)O(40)/WO(3) in the sonocatalytic degradation of pollutants provides a new strategy for the application of K(3)PMo(12)O(40) in sonocatalysis.