Articles with "supercritical conditions" as a keyword



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Fate of PAHs under subcritical and supercritical conditions in landfill leachate: Removal or formation?

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.128762

Abstract: Abstract In this study, fate of eight polycyclic aromatic hydrocarbons (PAHs) described as priority pollutants by the European Union during the subcritical and supercritical water oxidation (SCWO) of landfill leachate was investigated. The experiments were… read more here.

Keywords: landfill leachate; subcritical supercritical; fate; removal ... See more keywords
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Continuous hydrothermal synthesis in supercritical conditions as a novel process for the elaboration of Y-doped BaZrO3

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Published in 2021 at "Ceramics International"

DOI: 10.1016/j.ceramint.2021.03.044

Abstract: Abstract The present work describes a novel process for the elaboration of a ceramic material. Y-doped barium zirconate, an electrolyte material for Protonic Ceramic Fuel cell, was synthesized by a continuous hydrothermal process in supercritical… read more here.

Keywords: continuous hydrothermal; process elaboration; process; supercritical conditions ... See more keywords
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Experimental study on spray and atomization characteristics under subcritical, transcritical and supercritical conditions of marine diesel engine

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Published in 2019 at "Energy Conversion and Management"

DOI: 10.1016/j.enconman.2019.05.080

Abstract: Abstract In this research, detailed characteristics of diesel spray and atomization based on marine engine scale have been studied under subcritical, transcritical and supercritical conditions. A large constant volume chamber with an inner diameter of… read more here.

Keywords: diesel; transcritical supercritical; supercritical conditions; engine ... See more keywords
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Experimental study on spray characteristics of six-component diesel surrogate fuel under sub/trans/supercritical conditions with different injection pressures

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Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2020.119474

Abstract: Abstract The purpose of this study is to explore the spray characteristics of six-component diesel surrogate fuel under sub/trans/supercritical conditions with different injection pressures and provide a reference for numerical simulation. The experiments were conducted… read more here.

Keywords: phase; spray; spray characteristics; supercritical conditions ... See more keywords
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A study of methylcyclohexane cracking in a micro-channel reactor coated with M/SiO2 (M Fe, Co, Ni) catalysts under supercritical conditions

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Published in 2019 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2019.104642

Abstract: Abstract A series of transition metals M (M = Fe, Co, Ni) modified SiO2 catalysts were prepared by sol-gel method and coated on the inner wall of stainless steel tubes, in order to develop the micro-channel reactors.… read more here.

Keywords: sio2 catalysts; micro channel; spectroscopy; supercritical conditions ... See more keywords
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Non-reactive and reactive experiments to determine the electrical conductivities of aqueous geothermal solutions up to supercritical conditions

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Published in 2020 at "Journal of Volcanology and Geothermal Research"

DOI: 10.1016/j.jvolgeores.2018.05.014

Abstract: Abstract Electrolytes, dissolved in aqueous solutions, have the tendency to associate at near-critical temperature, which causes a removal of free charge carriers from the solution. This behavior is intensified in the “low” pressure range of… read more here.

Keywords: electrical properties; temperature dependence; component brines; supercritical conditions ... See more keywords
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Comparative analysis of the physicochemical characteristics of SiO2 aerogels prepared by drying under subcritical and supercritical conditions

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Published in 2017 at "Inorganic Materials"

DOI: 10.1134/s002016851712007x

Abstract: SiO2-based aerogels have been produced be removing a solvent (ethanol or hexafluoroisopropanol) from lyogels both above and below the critical temperature of the alcohols (in the range 210–260 and 160–220°C, respectively). The resultant materials have… read more here.

Keywords: comparative analysis; temperature; supercritical conditions; physicochemical characteristics ... See more keywords