Articles with "promoted al2o3" as a keyword



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Chemical Titration of Promoted Ag/α‐Al2O3 Ethylene Epoxidation Catalysts

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Published in 2023 at "ChemCatChem"

DOI: 10.1002/cctc.202300329

Abstract: We enumerate the active site density for a promoted Ag/α‐Al2O3 ethylene epoxidation catalyst (35 wt.% Ag) by using trifluoroethanol as a chemical titrant. Trifluoroethanol, when introduced into the reactant stream, deprotonates to deposit stable trifluoroethoxy or… read more here.

Keywords: epoxidation; ethylene epoxidation; promoted al2o3; site ... See more keywords
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Tungsten Promoted Ni/Al2O3 as a Noble-Metal-Free Catalyst for the Conversion of 5-Hydroxymethylfurfural to 1-Hydroxy-2,5-Hexanedione

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Published in 2022 at "Frontiers in Chemistry"

DOI: 10.3389/fchem.2022.857199

Abstract: The conversion of 5-hydroxymethylfurfural (HMF) to 1-hydroxy-2,5-hexanedione (HHD) represented a typical route for high-value utilization of biomass. However, this reaction was often catalyzed by the noble metal catalyst. In this manuscript, W promoted Ni/Al2O3 was… read more here.

Keywords: catalyst; noble metal; hhd; promoted al2o3 ... See more keywords
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Ru-Promoted Ni/Al2O3 Fluidized Catalyst for Biomass Gasification

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Published in 2020 at "Catalysts"

DOI: 10.3390/catal10030316

Abstract: Fluidizable catalysts based on Ni/Al2O3 with added Ru were used for the gasification of a lignin surrogate (2-methoxy-4-methylphenol) in a fluidized CREC Riser Simulator reactor. This was done in order to quantify lignin surrogate conversion… read more here.

Keywords: lignin surrogate; catalyst; biomass; al2o3 fluidized ... See more keywords
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Selective Hydrogenolysis of Glycerol and Crude Glycerol (a By-Product or Waste Stream from the Biodiesel Industry) to 1,2-Propanediol over B2O3 Promoted Cu/Al2O3 Catalysts

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Published in 2017 at "Catalysts"

DOI: 10.3390/catal7070196

Abstract: The performance of boron oxide (B2O3)-promoted Cu/Al2O3 catalyst in the selective hydrogenolysis of glycerol and crude glycerol (a by-product or waste stream from the biodiesel industry) to produce 1,2-propanediol (1,2-PDO) was investigated. The catalysts were… read more here.

Keywords: b2o3 promoted; crude glycerol; promoted al2o3; glycerol ... See more keywords