Articles with "nano fe3o4" as a keyword



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Monodisperse Nano‐Fe3O4 on α‐Al2O3 Catalysts for Fischer–Tropsch Synthesis to Lower Olefins: Promoter and Size Effects

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201700792

Abstract: The Fischer–Tropsch synthesis to lower olefins (FTO) is a desirable nonpetroleum‐based route to produce basic chemicals. A novel two‐step method was applied to synthesize iron‐based supported catalysts, which is to prepare nano‐Fe3O4 first by thermal… read more here.

Keywords: nano fe3o4; al2o3; lower olefins; size ... See more keywords
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Fabrication of Fe3O4/PLLA composites for use in bone tissue engineering

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Published in 2017 at "Polymer Composites"

DOI: 10.1002/pc.23890

Abstract: The aim of this study was to incorporate nanoscale Fe3O4 particles into a poly-L-lactide (PLLA) matrix to fabricate a magnetic and biodegradable composite. The physical and osteogenic functions of this material were tested. Injection molding… read more here.

Keywords: fe3o4 plla; nano fe3o4; plla composites; plla ... See more keywords
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Comparison of Fenton, UV-Fenton and nano-Fe3O4 catalyzed UV-Fenton in degradation of phloroglucinol under neutral and alkaline conditions: Role of complexation of Fe3+ with hydroxyl group in phloroglucinol

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2016.10.133

Abstract: Phloroglucinol degradation at initial pH from 7.0 to 9.0 has been investigated in Fenton, UV-Fenton and nano-Fe3O4 catalyzed UV-Fenton (Hetero-Fenton). Within the reaction time given in this study (not more than 4 h), 150 mg·L−1 phloroglucinol was… read more here.

Keywords: degradation; nano fe3o4; fenton fenton; fenton nano ... See more keywords
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Electromagnetic wave absorbing cement-based composite using Nano-Fe3O4 magnetic fluid as absorber

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Published in 2018 at "Cement and Concrete Composites"

DOI: 10.1016/j.cemconcomp.2018.05.004

Abstract: Abstract The idea of preparing electromagnetic wave absorption cement-based composite using nano-Fe3O4 magnetic fluid as electromagnetic wave absorber is proposed. Nano-Fe3O4 magnetic fluid with obvious superparamagnetism is synthesized based on the co-precipitation method. When 5%… read more here.

Keywords: electromagnetic wave; fe3o4 magnetic; nano fe3o4; magnetic fluid ... See more keywords
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Rheological behavior of cement paste with nano-Fe3O4 under magnetic field: Magneto-rheological responses and conceptual calculations

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Published in 2021 at "Cement and Concrete Composites"

DOI: 10.1016/j.cemconcomp.2021.104035

Abstract: Abstract The magneto-rheological responses of cement paste with nano-Fe3O4 particles are experimentally investigated. The estimated magneto-dynamic force between two neighboring nanoparticles and equilibrium movement velocity of the nanoparticles in cement-based suspensions are calculated. Results show… read more here.

Keywords: nano fe3o4; paste; rheological responses; magnetic field ... See more keywords
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Oxidative desulfurization of fuel oil catalyzed by magnetically recoverable nano-Fe3O4/SiO2 supported heteropoly compounds

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Published in 2017 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2017.09.097

Abstract: Abstract The magnetically recoverable catalysts for fuel oil oxidative desulfurization Cs2.5H0.5PW12O40/nano-Fe3O4/SiO2 and H3PW12O40/nano-Fe3O4/SiO2 were successfully synthesized and characterized by Fourier transform infrared spectroscopy (FTIR), X-ray Diffraction (XRD), vibrating sample magnetometer (VSM), transmission electron microscope (TEM)… read more here.

Keywords: desulfurization; nano fe3o4; oil; fe3o4 sio2 ... See more keywords
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Metagenomic analysis of aromatic ring-cleavage mechanism in nano-Fe3O4@activated coke enhanced bio-system for coal pyrolysis wastewater treatment.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.125387

Abstract: In current study, nano-Fe3O4@activated coke enhanced bio-system (FEBS) under limited-oxygen condition was applied for efficient treatment of aromatic organics in coal pyrolysis wastewater. Metagenomic analyses revealed functional microbiome linkages and mechanism involved in aromatic ring-cleavage.… read more here.

Keywords: nano fe3o4; cleavage; analysis; ring cleavage ... See more keywords
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Preparation of magnetic powdered carbon/nano-Fe3O4 composite for efficient adsorption and degradation of trichloropropyl phosphate from water.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.125765

Abstract: Trichloropropyl phosphate (TCPP) as a widely used typical chlorinated organophosphate flame retardant has received significant attention because of its widespread presence in water and negative effects on human health. In this study, a ball-milling method… read more here.

Keywords: degradation; adsorption; nano fe3o4; fe3o4 composite ... See more keywords
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Efficient heterogenization of palladium by citric acid on the magnetite nanoparticles surface (Nano-Fe3O4@CA-Pd), and its catalytic application in C-C coupling reactions

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Published in 2019 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2019.01.008

Abstract: Abstract In this study, citric acid was used as a ligand for the heterogenization of palladium chloride on Fe3O4 nanoparticles surface as efficient and recoverable green catalyst (Nano-Fe3O4@CA-Pd). The catalytic activity of this composite was… read more here.

Keywords: nano fe3o4; nanoparticles surface; heterogenization palladium; fe3o4 catalytic ... See more keywords
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Synergistic Effect between Monodisperse Fe3O4 Nanoparticles and Nitrogen-Doped Carbon Nanosheets to Promote Polysulfide Conversion in Lithium-Sulfur Batteries.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c02558

Abstract: Effective fabrication of electrocatalysts active in anchoring and converting lithium polysulfides is critical for the manufacturing of high-performance lithium-sulfur batteries (LSBs). In this study, original Fe3O4 nanospheres with diameters close to 12 nm were finely… read more here.

Keywords: fe3o4; fe3o4 pnc; nano fe3o4; effect ... See more keywords
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Biosorption and Bioreduction of Perchlorate Using the Nano-Fe3O4-Laden Quaternary-Ammonium Chinese Reed: Considering the Coexisting Nitrate and Nano-Fe3O4

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Published in 2017 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.6b02815

Abstract: Nano-Fe3O4-laden quaternary-ammonium Chinese reed has been prepared for perchlorate removal, and the laden perchlorate was bioreduced on the surface of the biosorbent by mixed perchlorate-reducing bacteria. Results of kinetics, isotherms, and computations revealed strong competitive… read more here.

Keywords: nano fe3o4; laden quaternary; perchlorate; fe3o4 laden ... See more keywords