Articles with "fe2o3 sio2" as a keyword



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From core–shell particles to dense Ba0.8Sr0.2Zr0.1Ti0.9O3@Bi2O3–Fe2O3–SiO2 ceramics with low sintering temperature and improved dielectric, energy storage properties

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Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-02948-0

Abstract: To achieve high energy storage in dielectric ceramics, a new designed material Ba0.8Sr0.2Zr0.1Ti0.9O3@Bi2O3–Fe2O3–SiO2 with core–shell structure was fabricated by the monodispersed submicron Ba0.8Sr0.2Zr0.1Ti0.9O3 particles (diameter ~ 180 nm) coated with the 25-nm-thick shell of Bi2O3–Fe2O3–SiO2. The influences… read more here.

Keywords: fe2o3 sio2; ba0 8sr0; energy storage; bi2o3 fe2o3 ... See more keywords
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γ-Fe2O3@SiO2@4-(sulfoamino)butanoic acid as a novel superparamagnetic nanocatalyst promoted green synthesis of 5-(aryl)-5H-spiro[diindeno[1,2-b:2′,1′-e]pyridine-11,3′-indoline]-2′,10,12-trione derivatives

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Published in 2018 at "Research on Chemical Intermediates"

DOI: 10.1007/s11164-018-3571-1

Abstract: Grafting of 4-(sulfoamino)butanoic acid on superparamagnetic γ-Fe2O3@SiO2 nanoparticles afforded γ-Fe2O3@SiO2@4-(sulfoamino)butanoic acid as a novel heterogeneous nanocatalyst, which was characterized by X-ray diffraction, Fourier transform infrared spectroscopy, vibrating sample magnetometry, field emission scanning electron microscopy, and… read more here.

Keywords: butanoic acid; sio2 sulfoamino; fe2o3 sio2; sulfoamino butanoic ... See more keywords
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Catalytic oxidation of sulfur dioxide over α-Fe2O3/SiO2 catalyst promoted with Co and Ce oxides

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Published in 2020 at "Korean Journal of Chemical Engineering"

DOI: 10.1007/s11814-020-0477-6

Abstract: Hematite (α-Fe2O3) is a promising alternative to the catalysts currently used due to its low cost, fairly good activity and environmentally friendly properties. In this study, α-Fe2O3/SiO2 nanocatalysts promoted with cobalt and cerium (Co3O4-CeO2-α-Fe2O3/SiO2) were… read more here.

Keywords: cerium; oxidation; fe2o3 sio2; catalyst ... See more keywords
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A simple and effective synthesis of magnetic γ-Fe2O3@SiO2@TiO2–Ag microspheres as a recyclable photocatalyst: dye degradation and antibacterial potential

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Published in 2019 at "Journal of Environmental Health Science and Engineering"

DOI: 10.1007/s40201-019-00410-w

Abstract: In this study, an effective technique for synthesizing γ-Fe2O3@SiO2@TiO2–Ag magnetically separable photocatalyst was introduced by combining co-precipitation, sol-gel, and photo-deposition methods. A series of analyses including FTIR, SEM, EDS, XRD, and VSM were applied to… read more here.

Keywords: fe2o3 sio2; sio2 tio2; dye degradation;
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Vapor phase synthesis of 2,3,6-trimethylphenol from m-cresol and methanol with Fe2O3-SiO2-CuO catalyst

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Published in 2018 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2018.04.007

Abstract: Abstract A novel method for synthesis of 2,3,6-trimethylphenol from m-cresol and methanol with Fe2O3-SiO2-CuO catalyst is developed. The catalysts were characterized by X-ray powder diffraction, N2 physisorption, scanning electron microscope and NH3-TPD. The performances of… read more here.

Keywords: fe2o3 sio2; cuo catalyst; sio2 cuo; fe2o3 ... See more keywords
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Rapid effectual entrapment of arsenic pollutant by Fe2O3 supported on bimodal meso-macroporous silica for cleaning up aquatic system.

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Published in 2022 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2022.134613

Abstract: Arsenic (As) contamination in aqueous media is a major concern due to its adverse impacts on humans and the ecosystem more broadly because of its non-biodegradability. Consequently, an effective and selective sorbent is needed urgently… read more here.

Keywords: silica; fe2o3 supported; meso macroporous; fe2o3 ... See more keywords
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Comparative studies on structural, magnetic and adsorptive properties of fused Fe2O3@ SiO2and rattle shapedSiO2@Fe2O3nanospheres with reversal of core-shell

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Published in 2020 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2019.122548

Abstract: Abstract Synthesis of core-shell nanocomposites is an important domain due to their applications as nanoadsorbents for heavy metal ions. In the present work, rattle type SiO2@Fe2O3 core-shell nanospheres were synthesized by surfactant assisted direct precipitation… read more here.

Keywords: rattle; core shell; reversal core; fe2o3 sio2 ... See more keywords
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In vitro cytotoxicity, antibacterial activity and HSA and ct-DNA interaction studies of chlorogenic acid loaded on γ-Fe2O3@SiO2 as new nanoparticles

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Published in 2022 at "Journal of Biomolecular Structure and Dynamics"

DOI: 10.1080/07391102.2022.2030799

Abstract: Abstract In this study, nanoparticles with both anticancer and antibacterial features were synthesized through loading chlorogenic acid (CGA) of essential oils on magnetic nanoparticles (MNPs). Characterization of γ-Fe2O3@SiO2-CGA MNPs was performed using Fourier transform infrared… read more here.

Keywords: cga; fe2o3 sio2; cga mnps; sio2 cga ... See more keywords
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Effect of Gas Atmosphere on the Phase Chemistry in the CaO–FeO–Fe2O3–SiO2 System Related to Iron Ore Sinter-making

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Published in 2019 at "ISIJ International"

DOI: 10.2355/isijinternational.isijint-2018-631

Abstract: Experimental phase equilibria studies have been carried out to investigate the phase chemistry in the CaO "Fe2O3"-SiO2 system related to the iron ore sinter making in 1 atm CO2 at 1 200-1 230 degrees C.… read more here.

Keywords: chemistry; fe2o3 sio2; sio2 system; cao ... See more keywords
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Experimental measurement and thermodynamic model predictions of the distributions of Cu, As, Sb and Sn between liquid lead and PbO–FeO–Fe2O3–SiO2 slag

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Published in 2020 at "International Journal of Materials Research"

DOI: 10.3139/146.111942

Abstract: Abstract Due to the increasing complexity of materials processed in primary and secondary lead smelting, better control of impurity elements is required. In the present study, distributions of Cu, As, Sb and Sn between PbO–FeO–Fe2O3–SiO2… read more here.

Keywords: sio2 slag; feo fe2o3; pbo feo; fe2o3 sio2 ... See more keywords