Articles with "supercritical state" as a keyword



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Techno-economic assessment of Joule-Brayton cycle architectures for heat to power conversion from high-grade heat sources using CO2 in the supercritical state

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Published in 2018 at "Energy"

DOI: 10.1016/j.energy.2018.02.005

Abstract: Abstract Bottoming thermodynamic power cycles using supercritical carbon dioxide (sCO2) are a promising technology to exploit high temperature waste heat sources. CO2 is a non-flammable and thermally stable compound, and due to its favourable thermophysical… read more here.

Keywords: heat sources; power; cycle; supercritical state ... See more keywords
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Reactivity of Formaldehyde during 4-Hydroxy-2-butanone Synthesis in Supercritical State

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c03642

Abstract: 4-Hydroxy-2-butanone, an important intermediate for vitamin A and fragrances, is usually produced by aldol condensation of acetone and formaldehyde. Noncatalytic synthesis of 4-hydroxy-2-butanone in supercritical state, which was fast and had high production yield, was… read more here.

Keywords: hydroxy butanone; supercritical state; synthesis; butanone ... See more keywords
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Double universality of the transition in the supercritical state

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Published in 2022 at "Science Advances"

DOI: 10.1126/sciadv.abq5183

Abstract: Universality aids consistent understanding of physical properties and states of matter where a theory predicts how a property of a phase (solid, liquid, and gas) changes with temperature or pressure. Here, we show that the… read more here.

Keywords: universality transition; double universality; universality; supercritical state ... See more keywords