Monodisperse Nano‐Fe3O4 on α‐Al2O3 Catalysts for Fischer–Tropsch Synthesis to Lower Olefins: Promoter and Size Effects
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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
Metal–Organic Framework Mediated Synthesis of Small‐Sized γ‐Alumina as a Highly Active Catalyst for the Dehydration of Glycerol to Acrolein
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DOI: 10.1002/cctc.201701061
Abstract: The dehydration of glycerol into acrolein was investigated over small‐sized γ‐Al2O3 prepared by a metal–organic framework (MOF) templated method. The particle size of alumina strongly affected the final physicochemical properties of γ‐Al2O3 as well as… read more here.
Keywords: dehydration glycerol; glycerol acrolein; al2o3; small sized ... See more keywords
Impact of Promoter Addition on the Regeneration of Ni/Al2O3 Dry Reforming Catalysts
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DOI: 10.1002/cctc.202101080
Abstract: Industrial‐scale reforming of methane is typically carried out with an excess of oxidant to suppress coking of the catalyst. On the other hand, many academic studies on dry reforming employ a CO2/CH4 ratio of unity… read more here.
Keywords: al2o3; co2; impact promoter; dry reforming ... See more keywords
Enhanced recovery and recycling of catalyst by post‐impregnation of γ‐Al2O3 with 12‐tungstophosphoric acid for esterification reaction
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DOI: 10.1002/cjce.23052
Abstract: 12-tungstophosphoric acid, polyoxometalate with Keggin structure, and γ-Al2O3 were synthesized. Loading of 12-tungstophosphoric acid (HPW) on γ-Al2O3 was performed by post-impregnation method. The catalysts were characterized by XRD, SEM, FTIR, BET, and DRS techniques. According… read more here.
Keywords: esterification reaction; al2o3; post impregnation; reaction ... See more keywords
Surface‐Functionalized White Sapphire α‐Al2O3 Platelets as Nanofillers for Vinylester Composites and Heavy Duty Anchoring Systems
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DOI: 10.1002/mame.201600420
Abstract: ynthetic α-Al2O3 platelets, also referred to as corundum and white sapphire, represent attractive fillers improving the mechanical properties of vinylester-based chemical anchoring systems. Even in the absence of coupling agents, as verified by scanning electron… read more here.
Keywords: al2o3 platelets; al2o3; vinylester composites; white sapphire ... See more keywords
Mineral Transform and Specific Heat Capacity Characterization of Blast Furnace Slag with High Al2O3 in Heating Process
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DOI: 10.1002/srin.202000448
Abstract: The specific heat capacity (Cp) of blast furnace (BF) slag critically impacts BF smelting and reports on the Cp of BF slag with high Al2O3 are rare. Mineral transform and Cp characterization of synthesized BF… read more here.
Keywords: al2o3; cao; peak; slag ... See more keywords
Adsorption of poly(styrenesulfonate) onto different-sized alumina particles: characteristics and mechanisms
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DOI: 10.1007/s00396-018-4433-5
Abstract: AbstractWe report the adsorption characteristics and mechanisms of a strong polyanion, poly(styrenesulfonate), PSS, onto α-Al2O3 with large size (L-Al2O3) and small size (S-Al2O3) in this paper. Some effective conditions to the adsorption of PSS onto… read more here.
Keywords: adsorption; onto al2o3; al2o3; pss onto ... See more keywords
Enhanced Phenol Hydrodeoxygenation Over a Ni Catalyst Supported on a Mixed Mesoporous ZSM-5 Zeolite and Al2O3
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DOI: 10.1007/s10562-017-2161-y
Abstract: Developing highly active catalysts for bio-oil hydrodeoxygenation is of great importance in the low cost production of conventional transport alkane fuels. Toward this goal, a Ni catalyst supported on mesoporous ZSM-5 zeolite mixed with 25 wt%… read more here.
Keywords: al2o3; catalyst supported; mesoporous zsm; catalyst ... See more keywords
Ceria-stabilized meso-Al2O3: synthesis, characterization and desorption kinetics
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DOI: 10.1007/s10934-017-0376-3
Abstract: A highly stable mesoporous ceria-doped alumina for steam gasification of biomass was synthesized using a template free method. Aluminum nitrate nonahydrate and cerium nitrate hexahydrate were used as the precursors to synthesize the ceria-doped alumina… read more here.
Keywords: synthesis; al2o3; support; desorption ... See more keywords
Pt-Al2O3 composite aerogels via solution-freeze-drying-calcination technology for the thermal decomposition of ammonium perchlorate
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DOI: 10.1007/s10934-020-00867-3
Abstract: Pt-Al2O3 aerogels were successfully synthesized via solution-freeze-drying-calcination technology. The structure of Pt-Al2O3 aerogels were analyzed by various characterization methods, which displayed that the Pt nanoparticles with a size of about 25 nm were uniformly attached… read more here.
Keywords: al2o3; thermal decomposition; ammonium perchlorate;
Atomic layer deposition of MoO3 on mesoporous γ-Al2O3 prepared by sol–gel method as efficient catalyst for oxidative desulfurization of refractory dibenzothiophene compound
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DOI: 10.1007/s10971-020-05332-w
Abstract: MoOx/Al2O3 based catalyst has long been widely used as an active catalyst in Oxidative Desulfurization reaction due to its high stability under severe reaction conditions and high resistance to sulfur poisoning. In this context, 4… read more here.
Keywords: moo3; al2o3; method; catalyst ... See more keywords