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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۲، شماره ۱۱، صفحات ۳۷۷۳-۳۷۸۷
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عنوان انگلیسی V-Doped Starch/Graphitic-Carbon Nitride Composite for Enhanced Pollution Degradation through Response Surface Methodology: The Study of Photocatalytic and Adsorption Process
چکیده انگلیسی مقاله The V-doped starch/graphitic carbon nitride was synthesized for the degradation of organic pollutants. This novel photocatalyst w:as char:acterized by various techniques including Fourier Transform InfraRed (FT-IR) spectroscopy, Field Emission Scanning Electron Microscopy (FESEM), X-ray Diffractometer (XRD), Photoluminescence (PL) spectroscopy, Energy Dispersive X-ray (EDX), Transmission Electron Microscopy (TEM), and Brunauer-Emmett-Teller (BET) analysis. Based on
the Central Composite Designs-Response Surface Methodology (CCD-RSM) design, 50 full experiments were done including pH (7.8-9.8), adsorbent dose (0.01-0.1 g), MB concentration (2-12 ppm), time (30-240 min), and temperature (15-45 °C) for the methylene blue removal by V-doped starch/graphitic carbon nitride, and the best removal yield (90.8 %) was obtained at pH=8.33, 0.08 g adsorbent dose, 12 ppm of MB concentration, 215 min, and 15 °C. Further, the interaction of adsorption parameters was considered, and the Freundlich and pseudo-second-order were shown as the best adsorption models. After
the adsorption process, the photocatalytic degradation of MB was conducted under UV irradiation with high yield (92 %), and the trapping experiments confirmed the photocatalytic degradation. As a result, the V-doped starch/graphitic carbon nitride can be employed for the adsorption and photocatalytic activities for the removal of organic pollutants from aqueous solution.
کلیدواژه‌های انگلیسی مقاله Degradation,Graphitic carbon nitride,photocatalyst,Starch
نویسندگان مقاله Mahdieh Chegeni |
Department of Chemistry, Ayatollah Boroujerdi University, Boroujerd, I.R. IRAN

Mousa Soleymani |
Department of Chemistry, Ayatollah Boroujerdi University, Boroujerd, I.R. IRAN

Noushin Eftekhari |
Department of Chemistry, Ayatollah Boroujerdi University, Boroujerd, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_704977_4b924232de1f34a1dbedfe1a7afb6586.pdf
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