ECO-FRIENDLY TRANSFORMATION OF BIOETHANOL INTO ETHYLENE OVER BIMETALLIC NICKEL-COPPER CATALYSTS.
Sign Up to like & getrecommendations! Published in 2024 at "ChemPlusChem"
DOI: 10.1002/cplu.202400135
Abstract: The conversion of bioethanol to ethylene in gas phase and atmospheric pressure was investigated over γ-Al2O3 supported copper and nickel catalysts. These catalysts were prepared by co-precipitation and pre-treated with hydrogen at 450 °C. Six… read more here.
Keywords: catalyst; al2o3 catalyst; copper; bioethanol ethylene ... See more keywords
Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration
Sign Up to like & getrecommendations! Published in 2021 at "Applied Catalysis A: General"
DOI: 10.1016/j.apcata.2021.118202
Abstract: Abstract Tri-reforming of methane (TRM) allows the production of syngas with a low environmental impact, an optimal energetic consumption, and a modular H2/CO molar ratio. However, despite a large number of publications devoted to TRM… read more here.
Keywords: catalyst deactivation; impact; reforming methane; deactivation ... See more keywords
Heat removal and catalyst deactivation in a Sabatier reactor for chemical fixation of CO2: Simulation-based analysis
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.06.160
Abstract: Abstract Thermo-catalytic hydrogenation of CO2 into synthetic CH4 via Sabatier reaction is an attractive route to reduce fossil fuels consumption and to limit greenhouse gas emissions, while potentially providing revenue. Hydrogen required for the reaction… read more here.
Keywords: co2; heat; catalyst; reactor ... See more keywords
In-situ operando and ex-situ study on light hydrocarbon-like-diesel and catalyst deactivation kinetic and mechanism study during deoxygenation of sludge oil
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.132206
Abstract: Abstract Deoxygenation is a highly significant means of generating oxygen-free hydrocarbon fuels from liquid biomass. This study will deoxygenate sludge palm oil (FFA % = 42.35%) in an H2-free atmosphere through a series of Mn-Co… read more here.
Keywords: deactivation; study; situ; deoxygenation ... See more keywords
Hydrogenation and hydrodesulfurization in gas phase of light hydrocarbons from hydrocracking, desulfurization and delayed coking. I catalyst deactivation
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2019.115195
Abstract: Abstract Hydrogenation and hydrodesulfurization reactions of hydrocarbons in gas phase was studied in a fluidized-bed reactor using PdNiW/TiO2-Al2O3 and NiMo/TiO2Al2O3 catalysts. Catalyst deactivation was performed at different temperatures and using hydrocracking product with and without… read more here.
Keywords: hydrogenation hydrodesulfurization; delayed coking; deactivation; gas ... See more keywords
Kinetic Studies on Both Synthesis of Methacrolein Catalyzed by an Ionic Liquid and Catalyst Deactivation
Sign Up to like & getrecommendations! Published in 2021 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.0c05536
Abstract: Diethylamine acetate as an ionic liquid is used as a catalyst for the Mannich reaction of propanal and formaldehyde to produce methacrolein. However, catalyst deactivation remains a serious problem... read more here.
Keywords: kinetic studies; catalyst deactivation; ionic liquid;
Encapsulation Methods for Control of Catalyst Deactivation: A Review
Sign Up to like & getrecommendations! Published in 2020 at "ACS Catalysis"
DOI: 10.1021/acscatal.0c01569
Abstract: One of the most significant challenges in the use of heterogeneous catalysts is the loss of activity and/or selectivity with time on stream, and researchers have explored different methods to overc... read more here.
Keywords: control catalyst; encapsulation methods; deactivation review; methods control ... See more keywords
Overcoming Pd Catalyst Deactivation in the C–H Coupling of Tryptophan Residues in Water Using Air as the Oxidant
Sign Up to like & getrecommendations! Published in 2024 at "ACS Catalysis"
DOI: 10.1021/acscatal.4c01699
Abstract: The Pd-catalyzed C–H activation of natural tryptophan residues has emerged as a promising approach for their direct synthetic modification. While using water as the solvent and harnessing air as the oxidant is enticing, these conditions… read more here.
Keywords: deactivation; air oxidant; water; catalyst deactivation ... See more keywords
Van der Waals interactions between nonpolar alkyl chains and polar oxide surfaces prevent catalyst deactivation in aldehyde gas sensing
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DOI: 10.1038/s41467-024-53577-8
Abstract: Catalysis-based electrical sensing of volatile organic compounds on metal oxide surfaces is a powerful method for molecular discrimination. However, catalyst deactivation caused by the poisoning of catalytic sites by analytes and/or catalyzed products remains a… read more here.
Keywords: van der; waals interactions; alkyl chains; catalyst deactivation ... See more keywords
Catalyst deactivation via decomposition into single atoms and the role of metal loading
Sign Up to like & getrecommendations! Published in 2019 at "Nature Catalysis"
DOI: 10.1038/s41929-019-0328-1
Abstract: In the high-temperature environments needed to perform catalytic processes, supported precious metal catalysts lose their activity severely over time. Generally, loss of catalytic activity is attributed to nanoparticle sintering or processes by which larger particles… read more here.
Keywords: catalyst deactivation; deactivation; decomposition single; particle ... See more keywords
Special Issue on Catalyst Deactivation and Regeneration
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DOI: 10.3390/catal11070798
Abstract: Catalyst deactivation causes major losses in the chemical industry worldwide every year [...] read more here.
Keywords: deactivation regeneration; issue catalyst; special issue; catalyst ... See more keywords