Articles with "catalyst deactivation" as a keyword



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Review on the catalytic tri-reforming of methane - Part I: Impact of operating conditions, catalyst deactivation and regeneration

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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
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Heat removal and catalyst deactivation in a Sabatier reactor for chemical fixation of CO2: Simulation-based analysis

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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
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In-situ operando and ex-situ study on light hydrocarbon-like-diesel and catalyst deactivation kinetic and mechanism study during deoxygenation of sludge oil

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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
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Hydrogenation and hydrodesulfurization in gas phase of light hydrocarbons from hydrocracking, desulfurization and delayed coking. I catalyst deactivation

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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
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Kinetic Studies on Both Synthesis of Methacrolein Catalyzed by an Ionic Liquid and Catalyst Deactivation

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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

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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
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Catalyst deactivation via decomposition into single atoms and the role of metal loading

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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
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Special Issue on Catalyst Deactivation and Regeneration

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Published in 2021 at "Catalysts"

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