Results 21 to 30 of about 902,249 (287)

Processing naproxen with supercritical CO2

open access: yesThe Journal of Supercritical Fluids, 2013
El naproxeno se ha procesado con fluidos supercríticos para mejorar la tasa de disolución y la biodisponibilidad. Las micropartículas de naproxeno se han obtenido mediante un proceso de Expansión Rápida de Soluciones Supercríticas (RESS) en el que se ha utilizado dióxido de carbono como solvente y metanol como cosolvente.
Montes Herrera, Antonio   +5 more
openaire   +2 more sources

Methods for synthesizing diethyl carbonate from ethanol and supercritical carbon dioxide by one-pot or two-step reactions in the presence of potassium carbonate [PDF]

open access: yes, 2009
Carbon dioxide sequestration was studied by synthesizing diethyl carbonate (DEC) from ethanol and CO2 under supercritical conditions in the presence of potassium carbonate as a base. The co-reagent was ethyl iodide or a concentrated strong acid.
Gasc, Fabien   +2 more
core   +1 more source

Supercritical Carbon Dioxide Turbine Design and Arrangement Optimization

open access: yesFrontiers in Energy Research, 2022
To achieve a supercritical CO2 cycle power generation system, a 25 MW supercritical CO2 turbine rotor and cylinder were designed. Then, two compact arrangement schemes were proposed in this paper for the optimization of a supercritical CO2 turbine rotor.
Zhenya Li   +5 more
doaj   +1 more source

Recent insights into xerogel and aerogel mineral composites for CO 2 mineral sequestration [PDF]

open access: yes, 2011
Supercritically dried composites have already been analysed and proposed as carbon dioxide sequesters. However, the economical and energetic costs of the supercritical drying process had to be re-evaluated, and were eventually found not to enhance the ...
Esquivias Fedriani, Luis María   +2 more
core   +1 more source

Effect of Different Drying Processes on the Quality of Edible Bird's Nest

open access: yesShipin gongye ke-ji, 2022
In this experiment, the effects of hot air drying, microwave drying, vacuum freeze drying and supercritical CO2 drying on the quality of edible bird's nests were investigated by comparing and analyzing the sensory quality, drying rate, rise times, color,
Longwei FU   +3 more
doaj   +1 more source

Influencing Factors Analysis of Coal Permeability Improvement Under the Action of Supercritical CO2

open access: yesMeikuang Anquan, 2020
In order to study the specific influencing factors of coal permeability enhancement under the action of supercritical CO2, this paper uses the control variable method to change the factors such as gas pressure, temperature and time of coal permeability ...
CHEN Pan, WANG Zeqi
doaj   +1 more source

Review of experimental research on supercritical and transcritical thermodynamic cycles designed for heat recovery application [PDF]

open access: yes, 2019
Supercritical operation is considered a main technique to achieve higher cycle efficiency in various thermodynamic systems. The present paper is a review of experimental investigations on supercritical operation considering both heat-to-upgraded heat and
De Paepe, Michel   +6 more
core   +2 more sources

Numerical Analysis of Flow and Heat Transfer Characteristics of CO2 at Vapour and Supercritical Phases in Micro-Channels

open access: yesMATEC Web of Conferences, 2016
Supercritical carbon dioxide (CO2) has special thermal properties with better heat transfer and flow characteristics. Due to this reason, supercritical CO2 is being used recently in air-condition and refrigeration systems to replace non environmental ...
Rao N.T.   +3 more
doaj   +1 more source

Improved Joule Thomson equation of supercritical CO2-rich natural gas in separation system

open access: yesNatural Gas Industry B, 2023
The rapid expansion of supercritical gas technology for high-content CO2 separation from natural gas is a promising avenue of research. However, CO2-rich natural gas cools immediately after being separated and expands when the CO2 dew point is reached in
Saripudin   +4 more
doaj   +1 more source

Process analysis of pressurized oxy-coal power cycle for carbon capture application integrated with liquid air power generation and binary cycle engines [PDF]

open access: yes, 2015
In this paper, the thermodynamic advantage of integrating liquid air power generation (LAPG) process and binary cycle waste heat recovery technology to a standalone pressurized oxy-coal combustion supercritical steam power generation cycle is ...
Aneke, Mathew, Wang, Meihong
core   +1 more source

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