Journal
SURFACES AND INTERFACES
Volume 23, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.surfin.2020.100908
Keywords
Natural Quartz; Allium tricoccum; TiO2@Fe3O4@Quartz NCs; Catalytic activity; Recyclability
Categories
Funding
- Soran university
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The ecofriendly TiO2@Fe3O4@Quartz nanocomposite was successfully fabricated using Allium tricoccum extract and quartz as biosynthesis catalyst by HPLC analysis to assess its potential. The catalytic potential of TiO2@Fe3O4@Quartz NCs for removing hazardous materials was studied, showing significant removal of PAHs from crude oil samples. The study also included statistical analysis for optimizing catalyst amount and showed the recoverability of the catalyst for subsequent uses with no loss of activity.
Through an ecofriendly, economic and one pot method, the TiO2@Fe3O4@Quartz nanocomposite (NCs) was fabricated using the antioxidant potential of the Allium tricoccum extract and quartz as a natural geosubstrate (G.S). Also, high performance liquid chromatography (HPLC) analysis of the plant and evaluation of its total phenolic content (TPC) revealed its high potential to biosynthesis of the catalyst. The ecofriendly catalyst structurally elucidated using the SEM, EDS, Elemental mapping, XRD and FT-IR techniques. Moreover, the catalytic potential of TiO2@Fe3O4@Quartz NCs was studied for removal of some hazardous materials including polycyclic aromatic hydrocarbons (PAHs), azo dyes and the reduction of dangerous hexavalent Cr(VI) and 2,4-dinitrophenyl hydrazine (2,4-DNPH) at ambient conditions in which analysis of the surface of nanostructure using GC-Mass demonstrated a significant removal of poisonous PAHs from the crude oil sample. Besides experimental investigating of the catalyst performance, the statistical analysis was used to evaluation the optimal amount of the catalyst for each reaction. Furthermore, beside the presentation of all reaction mechanisms, the reusability for TiO2@Fe3O4@Quartz NCs revealed its recoverability for consequent times with no meaningful loss of its activity.
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