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title

Impact of marine-based Zinc Oxide Nanoparticles on Degradation of Dibenzothiophene

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 122
Year: 2018
COI code: NSMI20_052
Paper Language: English

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Authors Impact of marine-based Zinc Oxide Nanoparticles on Degradation of Dibenzothiophene

  Taregh Khalafi - Department of Marine Chemistry, Khorramshahr University of Marine Science and Technology, P.O. Box 669, Khorramshahr, Iran;
  Foad Buazar - Department of Marine Chemistry, Khorramshahr University of Marine Science and Technology, P.O. Box 669, Khorramshahr, Iran;
  Kamal Ghanemi - Department of Marine Chemistry, Khorramshahr University of Marine Science and Technology, P.O. Box 669, Khorramshahr, Iran;

Abstract:

A novel eco-friendly procedure was developed to produce safer, stable and highly pure zinc oxide nanoparticles (ZnO Nps) using microalgae Chlorella extract. The ZnO Nps were synthesized simply using zinc nitrate and microalgae Chlorella extract which conducted at ambient conditions. In this recipe, microalgae Chlorella extract acted as the reducing agent and a stabilizing layer on fresh ZnO Nps. UV–visible spectrum was confirmed the formation of ZnO Nps illustrating an absorption peak at 325 nm. XRD results demonstrated that as-prepared ZnO Nps has a high-crystalline hexagonal (Wurtzite) structure, with average size about 18nm in diameter. FT-IR spectral analysis indicated involved functional amide and polyol groups in phytosynthesized ZnO nanopowders. According to SEM and TEM observations, ZnO nanoparticles are well dispersed and has hexagonal shape with the average size of about 20±2.2nm, respectively. Based on gas chromatography analyses, ZnO Nps revealed effective photocatalytic activity toward the removal (96%) of Dibenzothiophene (DBT) contaminant in aqueous solution at mild condition. A possible mechanism of the photo-desulfurization of DBT via green ZnO Nps was also developed.

Keywords:

ZnO nanoparticles, Phytosynthesis, Dibenzothiophene, Photodegradation

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COI code: NSMI20_052

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Khalafi, Taregh; Foad Buazar & Kamal Ghanemi, 2018, Impact of marine-based Zinc Oxide Nanoparticles on Degradation of Dibenzothiophene, 20th Conference on Marine Industries, تهران , انجمن مهندسي دريايي ايران, https://www.civilica.com/Paper-NSMI20-NSMI20_052.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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Type: state university
Paper No.: 1038
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