Articles with "heteropoly acids" as a keyword



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Oxidative desulfurization of model diesel fuel catalyzed by carbon-supported heteropoly acids

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Published in 2019 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2019.04.063

Abstract: Abstract Keggin-type heteropoly acids supported on activated carbon (HPA/C) are active catalysts for oxidative desulfurization (ODS) of diesel fuel under mild conditions in a biphasic system composed of a benzothiophene-containing model diesel fuel (heptane) and… read more here.

Keywords: heteropoly acids; diesel fuel; carbon; model diesel ... See more keywords
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The carbonylation of dimethyl ether catalyzed by supported heteropoly acids: The role of Brønsted acid properties

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Published in 2019 at "Catalysis Today"

DOI: 10.1016/j.cattod.2018.04.001

Abstract: Abstract The carbonylation of dimethyl ether (DME) to methyl acetate (MA) is a vital step in a direct route of ethanol production from syngas. Heteropoly acids (HPAs) as a kind of solid acid catalysts can… read more here.

Keywords: heteropoly acids; dimethyl ether; catalyzed supported; ether catalyzed ... See more keywords
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Diethyl Ether Conversion to Ethene and Ethanol Catalyzed by Heteropoly Acids

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Published in 2021 at "ACS Omega"

DOI: 10.1021/acsomega.1c00958

Abstract: The conversion of diethyl ether (DEE) to ethene and ethanol was studied at a gas–solid interface over bulk and supported Brønsted solid acid catalysts based on tungsten Keggin heteropoly acids (HPAs) at 130–250 °C and… read more here.

Keywords: dee; ethene; diethyl ether; conversion ... See more keywords
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From CO2 to DME: Enhancement through Heteropoly Acids from a Catalyst Screening and Stability Study

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.3c00149

Abstract: The direct synthesis of dimethyl ether (DME) via CO2 hydrogenation in a single step was studied using an improved class of bifunctional catalysts in a fixed bed reactor (TR: 210–270 °C; 40 bar; gas hourly… read more here.

Keywords: co2 dme; bifunctional catalysts; heteropoly acids; stability ... See more keywords
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Mono- and Bimetallic Mo(W)S2/Al2O3 and Mo(W)S2/SBA-15 Hydrotreating Catalysts Based on SiMo12 and SiW12 Heteropoly Acids

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Published in 2017 at "Petroleum Chemistry"

DOI: 10.1134/s0965544117120118

Abstract: Mono- and bimetallic Mo(W)S2 catalysts supported on γ-Al2O3 and SBA-15 have been prepared using the Keggin heteropoly acids (HPAs) H4SiMo12O40 and H4SiW12O40. The catalyst samples have been analyzed by temperature-programmed reduction with hydrogen, high-resolution transmission… read more here.

Keywords: bimetallic al2o3; mono bimetallic; sba hydrotreating; al2o3 sba ... See more keywords
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Lewis Acids and Heteropoly Acids in the Synthesis of Organic Peroxides

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Published in 2022 at "Pharmaceuticals"

DOI: 10.3390/ph15040472

Abstract: Organic peroxides are an important class of compounds for organic synthesis, pharmacological chemistry, materials science, and the polymer industry. Here, for the first time, we summarize the main achievements in the synthesis of organic peroxides… read more here.

Keywords: acids synthesis; lewis acids; organic peroxides; synthesis organic ... See more keywords