Results 21 to 30 of about 58,538 (190)

The possibility of hydrocarbon systems formation by thermometamorphical genesis and the role of hydrothermal super critical fluids [PDF]

open access: yesНефтегазовая геология: Теория и практика, 2021
Using the example of supercritical fluids of carbon dioxide and water acssociation from the standpoint of supercritical fluid extraction of organic substances from sedimentary rocks and supercritical cracking of hydrocarbons, the possibility of formation
Abramov V.Yu., Pyataev A.A.
doaj   +1 more source

Research Progress on Convective Heat Transfer Characteristics of Supercritical Fluids in Curved Tube

open access: yesEnergies, 2022
Because of their compact structure, ease of processing and higher heat transfer coefficient, curved-tube heat exchangers are widely applied in various industry applications, such as nuclear power systems, solar-powered engineering, aircraft engine ...
Xinxin Liu   +7 more
doaj   +1 more source

Supercritical fluid extraction: Application in the food industry [PDF]

open access: yesHemijska Industrija, 2002
Supercritical fluid extraction is an extraction process realized with supercritical fluids, which are at a temperature and pressure above their critical temperature and critical pressure.
Skala Dejan U.   +2 more
doaj   +1 more source

Industrial applications and current trends in supercritical fluid technologies [PDF]

open access: yesHemijska Industrija, 2005
Supercritical fluids have a great potential for wide fields of processes Although CO2 is still one of the most used supercritical gases, for special purposes propane or even fluorinated-chlorinated fluids have also been tested.
Gamse Thomas
doaj   +1 more source

Holding water in a sieve—stable droplets without surface tension

open access: yesNature Communications, 2023
Our understanding of supercritical fluids has seen exciting advances over the last decades, often in direct contradiction to established textbook knowledge.
N. P. Longmire   +2 more
doaj   +1 more source

Supercritical Carbon Dioxide and Its Potential as a Life-Sustaining Solvent in a Planetary Environment

open access: yesLife, 2014
Supercritical fluids have different properties compared to regular fluids and could play a role as life-sustaining solvents on other worlds. Even on Earth, some bacterial species have been shown to be tolerant to supercritical fluids.
Nediljko Budisa, Dirk Schulze-Makuch
doaj   +1 more source

Supercritical Fluid Extraction [PDF]

open access: yes, 2014
Supercritical fluid extraction (SFE) has become one of the most popular green extraction techniques nowadays since it has demonstrated many advantages compared with traditional or classical extraction processes. Aspects such as improved selectivity, higher extraction yields, better fractionation capabilities, and lower environmental impacts have been ...
Mendiola, J. A.   +3 more
openaire   +3 more sources

A regenerative supercritical-subcritical dual-loop organic Rankine cycle system for energy recovery from the waste heat of internal combustion engines [PDF]

open access: yes, 2017
Organic Rankine cycle (ORC) system is considered as a promising technology for energy recovery from the waste heat rejected by internal combustion (IC) engines.
Wang, Enhua   +3 more
core   +1 more source

Supercritical fluids in separation and purification: A review

open access: yesMaterials Science for Energy Technologies, 2019
The properties of the supercritical fluid near the critical point can be changed by varying the pressure and temperature, allowing selective and faster extraction.
Sampatrao D. Manjare, Kabir Dhingra
doaj   +1 more source

Cellulosic materials as biopolymers and supercritical CO2as a green process: chemistry and applications [PDF]

open access: yes, 2012
In this review, we describe the use of supercritical CO2 (scCO2) in several cellulose applications. The focus is on different technologies that either exist or are expected to emerge in the near future.
Camy, Séverine   +2 more
core   +3 more sources

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