Sonochemical Synthesis, Characterization and Application of PrVO4 Nanostructures as an Effective Photocatalyst for Discoloration of Organic Dye Contaminants in Wastewater
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Abstract
In the current research, various conventional chemical preparation methods without
ultrasound aid (precipitation, microwave, and hydrothermal) were compared with sonochemical
procedure and were performed for providing of PrVO4 nanostructures using Schiff-base
ligands. The small size products with monodisperse particles (~39 nm) optimized by
sonochemical fabrication method and using H2 acacpn ligand via ultrasonic probe with
power of 60 W and frequency of 18 KHz. The produced PrVO4 nanostructures applied for
degradation of diverse organic dyes through the photocatalytic process. Dye types,
pH adjusting of dye, dosage of catalyst, synthesis method of nanoparticles and light
source as impressive factors inquired for dye removal ability. The outcomes presented
the removal efficiency of Eriochorom Black T in optimal conditions of pH = 11 and
the catalysts amounts of PrVO4 were adjusted to be 0.05 g. The PrVO4 photocatalyst
shows high removal efficiency (ca 86.92 and 89.61%) after 90 min of operation under
UV light. The best-obtained framework confirmed the basic study to compare different
method in order to acquire suitable catalyst materials. The simple, fast and economic
strategy for synthesis PrVO4 with high photodegradation efficiency is sonochemical
method against other ways, and it could be extended to the most efficient catalyst
materials for water treatment. Consequently, the PrVO4 may suggestion a hopeful avenue
for designing the novel generation, low-cost and outstanding potential photocatalyst
materials for water treatment.