Synthesis and characterization of ag nanoparticles supported in blast furnace dust microspheres
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We showed the feasibility to use blast furnace dust microspheres (BFDM), an industrial residue with magnetic properties, for the synthesis of silver nanoparticles (AgNP)/BFDM composites. A sol-gel Pechini modified method was used to synthesize AgNP/BFDM. AgNP formation was confirmed by SEM/EDS, which also showed a large Ag coverage on BFDM. Temperature-programmed reduction and oxidation (TPR/TPO) showed a strong interaction of AgNP with the surface iron species. The stability of reduced AgNP/BFDM, along with its magnetic properties, suggests that (AgNP)/BFDM composites may find application in catalysis and environmental remediation. © 2018 Universidad Simon Bolivar. All rights reserved.
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Iron microspheres; Pechini method; Silver nanoparticles; Sol-gel; Steelmaking dust
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