Articles with "tio2 al2o3" as a keyword



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Development and Characterization of High-Velocity Flame Sprayed Ni/TiO2/Al2O3 Coatings on Hydro Turbine Steel

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Published in 2019 at "Journal of Thermal Spray Technology"

DOI: 10.1007/s11666-019-00918-5

Abstract: Nickel-based coatings deposited by high-velocity flame spray (HVFS) process have been widely used to overcome the slurry erosion in a hydro turbine, where many turbine components are subjected to severe erosion failure. In this work,… read more here.

Keywords: hydro turbine; high velocity; tio2 al2o3; turbine steel ... See more keywords
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Agglomeration and reactivity of nanoparticles of SiO2, TiO2, Al2O3, Fe2O3, and clays in cement pastes and effects on compressive strength at ambient and elevated temperatures

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Published in 2018 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2018.02.032

Abstract: Abstract The agglomeration state of SiO2, TiO2, Al2O3, Fe2O3, bentonite, and halloysite nanoparticles (NPs) in solutions, including simulated cement environments, and their agglomeration and reactivity within the cement paste were evaluated. In water, all NPs… read more here.

Keywords: sio2 tio2; al2o3 fe2o3; cement; tio2 al2o3 ... See more keywords
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High hydrogen selectivity and anti-carbon ability by cracking of RP-3 jet fuel over Pt/ZrO2–TiO2–Al2O3 catalyst modified by MxOy (M = Ba, Sr and Ce) promoters

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.03.075

Abstract: Abstract In order to improve the anti-carbon property and obtain higher H2 yields, the promoters (BaO, SrO and CeO2) were introduced into Pt/ZrO2–TiO2–Al2O3 catalyst. The activity of theses catalysts were investigated in the cracking reactions… read more here.

Keywords: zro2 tio2; al2o3 catalyst; carbon; hydrogen ... See more keywords
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The tuning of TiO2-Al2O3 composite support for the fabrication of PtSn-based catalysts with superior catalytic performance in the propane dehydrogenation

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Published in 2020 at "Materials today communications"

DOI: 10.1016/j.mtcomm.2020.101753

Abstract: Abstract Low-carbon olefins are considered as important chemical building blocks for the synthesis of various chemicals. Many pioneer works have developed novel processes or catalysts for satisfying their steadily increased demand. In this study, the… read more here.

Keywords: al2o3 composite; propane dehydrogenation; ptsn based; tio2 al2o3 ... See more keywords
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Selective Pulsed Chemical Vapor Deposition of Water-Free TiO2/Al2O3 and HfO2/Al2O3 Nanolaminates on Si and SiO2 in Preference to SiCOH.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c19810

Abstract: Highly selective and smooth TiO2/Al2O3 and HfO2/Al2O3 nanolaminates were deposited by water-free pulsed chemical vapor deposition (CVD) at 300 °C using titanium isopropoxide (Ti(OiPr)4) and hafnium tertbutoxide (Hf(OtBu)4) with trimethylaluminum (TMA). TMA was found to… read more here.

Keywords: deposition; tio2 al2o3; hfo2 al2o3; al2o3 ... See more keywords
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Ultrasonic spray pyrolysis synthesis of TiO2/Al2O3 microspheres with enhanced removal efficiency towards toxic industrial dyes

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Published in 2023 at "RSC Advances"

DOI: 10.1039/d3ra00024a

Abstract: Developing low-cost and highly effective adsorbent materials to decolorate wastewater is still challenging in the industry. In this study, TiO2-modified Al2O3 microspheres with different TiO2 contents were produced by spray pyrolysis, which is rapid and… read more here.

Keywords: al2o3 microspheres; spray pyrolysis; tio2; tio2 al2o3 ... See more keywords
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Irradiation effects of 6 mev-electrons on optical and electrical properties of TiO2/Al2o3 multilayer thin films

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Published in 2020 at "Radiation Effects and Defects in Solids"

DOI: 10.1080/10420150.2020.1812072

Abstract: We report the irradiation effects on rf reactive magnetron sputter deposited TiO2/Al2O3 hetero-structured thin films. These films are irradiated with 6 MeV electron beams by maintaining the dose rate at ∼1 kGy/min at three different doses 10,… read more here.

Keywords: irradiation; optical electrical; tio2 al2o3; irradiation effects ... See more keywords
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Can Mesoporous TiO2-Al2O3-Supported NiMoS OR CoMoS Effectively Perform in Ultra-Deep Desulfurization of Gas Oil?

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Published in 2018 at "Petroleum Chemistry"

DOI: 10.1134/s0965544118050158

Abstract: Waste aluminum foil was used for preparation of mesoporous TiO2-Al2O3 using starch as a textural modifier. The catalytic species, Mo and Ni or Co were loaded onto the mesoporous support, following incipient wetness sequential impregnation.… read more here.

Keywords: tio2; tio2 al2o3; mesoporous tio2; gas oil ... See more keywords
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Effect of TiO2 and Al2O3 Addition on the Performance of Chitosan/Phosphotungstic Composite Membranes for Direct Methanol Fuel Cells

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Published in 2023 at "Membranes"

DOI: 10.3390/membranes13020210

Abstract: Composite chitosan/phosphotungstic acid (CS/PTA) with the addition of TiO2 and Al2O3 particles were synthesized to be used as proton exchange membranes in direct methanol fuel cells (DMFCs). The influence of fillers was assessed through X-ray… read more here.

Keywords: methanol; addition; tio2 al2o3; chitosan phosphotungstic ... See more keywords
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Synthesis of TiO2/Al2O3 Double-Layer Inverse Opal by Thermal and Plasma-Assisted Atomic Layer Deposition for Photocatalytic Applications

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Published in 2023 at "Nanomaterials"

DOI: 10.3390/nano13081314

Abstract: In comparison to conventional nano-infiltration approaches, the atomic layer deposition (ALD) technology exhibits greater potential in the fabrication of inverse opals (IOs) for photocatalysts. In this study, TiO2 IO and ultra-thin films of Al2O3 on… read more here.

Keywords: tio2 al2o3; layer deposition; spectroscopy; layer ... See more keywords