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Photocatalytic Effect of Titanium Dioxide Nanoparticles and Effect of Copper as a Dopant in Degradation of Dibutyl Pthalate and Butylhydroxyanisole

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In this work, the photo catalytic activity of unmodified titanium dioxide and modified titanium dioxide with copper were evaluated on dibutyl phthalate (DBA) and butylhydroxyanisole (BHA) which were enumerated as endocrine disrupting chemicals (EDC) under UV irradiation at room temperature. The prepared nanoparticles were characterized using SEM and XRD. EDC concentrations were fixed at 20 ppm while the photocatalyst effect was studied with concentrations ranging from 1 g/L to 3 g/L. Presence of copper as dopant enhanced the photo degradation of DBP and BHA when compared with titanium dioxide alone. An optimum degradation efficiency rate of around 90% was achieved with catalyst loading of 3 g/L of TiO2 with copper as dopant for DBP, whereas 82% degradation is observed with catalyst loading of 3 g/L of TiO2 with copper as dopant for BHA. A considerable increase of 20% and 30% was observed in degradation efficiency rate of modified titanium dioxide for DBP and BHA respectively.
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Keywords: BHA; DBP; PHOTO CATALYTIC DEGRADATION; TITANIUM DIOXIDE

Document Type: Research Article

Publication date: October 1, 2013

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  • Bionanoscience attempts to harness various functions of biological macromolecules and integrate them with engineering for technological applications. It is based on a bottom-up approach and encompasses structural biology, biomacromolecular engineering, material science, and engineering, extending the horizon of material science. The journal aims at publication of (i) Letters (ii) Reviews (3) Concepts (4) Rapid communications (5) Research papers (6) Book reviews (7) Conference announcements in the interface between chemistry, physics, biology, material science, and technology. The use of biological macromolecules as sensors, biomaterials, information storage devices, biomolecular arrays, molecular machines is significantly increasing. The traditional disciplines of chemistry, physics, and biology are overlapping and coalescing with nanoscale science and technology. Currently research in this area is scattered in different journals and this journal seeks to bring them under a single umbrella to ensure highest quality peer-reviewed research for rapid dissemination in areas that are in the forefront of science and technology which is witnessing phenomenal and accelerated growth.
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