Abstract
The study of Rhodamine B dye interaction with magnetic nanoparticles was carried out aiming the application in wastewater cleaning. Quantum-chemical modeling was done to reveal some physical-chemical characteristics of Rhodamine B like its dipolar feature, its stability and reactivity. Magnetic nanoparticles were synthesized by co-precipitation method, their fine granularity being evidenced as significant condition for surface interactions with molecules from the wastewater models. The rate of dye concentration decreasing was calculated from electronic absorption spectra for various combinations of magnetic nanoparticle concentration, hydrogen peroxide supply and ultraviolet radiation exposure time. Optimal reaction parameters were found for efficient dye removal.
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