Results 61 to 70 of about 68,000 (273)

Characterization of borage seed oil extracted by supercritical carbon dioxide.

open access: yesGrasas y Aceites, 1999
The present work is based on a comparative study of the borage seed's oil obtained with supercritical carbon dioxide by means of the conventional extraction using hexane as a solvent.
A. Delgado Andújar   +2 more
doaj   +1 more source

Electrochemistry in supercritical fluids

open access: yes, 2015
A wide range of supercritical fluids (SCFs) have been studied as solvents for electrochemistry with carbon dioxide and hydrofluorocarbons (HFCs) being the most extensively studied.
Bartlett, Philip N., Branch, Jack A.
core   +1 more source

Supercritical carbon dioxide hop extraction

open access: yesActa Periodica Technologica, 2005
The hop of Magnum cultivar was extracted using supercritical carbon dioxide (SFE-as extractant). Extraction was carried out in the two steps: the first one being carried out at 150 bar and 40?C for 2.5 h (Extract A), and the second was the extraction of the same hop sample at 300 bar and 40?C for 2.5 h (Extract B). Extraction kinetics of the system hop-
Pfaf-Šovljanski Ivana I.   +4 more
openaire   +2 more sources

Thermal Calculations for Co‐Firing of Hydrogen/Ammonia and Coal in 660‐MW Coal‐Fired Boilers

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT To achieve a clean energy transition under the dual carbon goals, blending hydrogen/ammonia into pulverized coal boilers represents a key technological pathway. Different hydrogen/ammonia co‐firing ratios (5%–50%) are investigated for their impact on the thermodynamic characteristics of 660‐MW supercritical boiler at 100% and 20% boiler ...
Yaodong Da   +7 more
wiley   +1 more source

Organic syntheses employing supercritical carbon dioxide as a reaction solvent [PDF]

open access: yes, 1993
Chemical reactions are readily carried out using supercritical carbon dioxide as the reaction medium. Supercritical carbon dioxide is of special value as a reaction medium in reactions for synthesizing polypeptides, for sequencing polypeptides, or for ...
Barstow, Leon E.   +2 more
core   +1 more source

Sterilization of lung matrices by supercritical carbon dioxide [PDF]

open access: yes, 2016
Lung engineering is a potential alternative to transplantation for patients with end-stage pulmonary failure. Two challenges critical to the successful development of an engineered lung developed from a decellularized scaffold include (i) the suppression
Balestrini, Jenna L   +10 more
core   +2 more sources

Supercritical Carbon Dioxide‐Assisted Interface Formation of LaAlO3/SrTiO3 for Room‐Temperature Ferromagnetism

open access: yesAdvanced Physics Research, EarlyView.
This work pioneers a non‐invasive route for strain engineering of quantum states at complex oxide interfaces, making use of supercritical CO2 as a tunable “strain field” to induce room‐temperature ferromagnetism in 3D LaAlO3/SrTiO3 composites. Structural and chemical analyses confirm the magnetism is strictly interfacial and driven by lattice tensile ...
Yonglong Zhu   +3 more
wiley   +1 more source

Mechanism of mechanical strength degradation and microstructure evolution of anthracite induced by supercritical carbon dioxide

open access: yesMeitan kexue jishu
In order to reveal the effect of supercritical carbon dioxide on the mechanical strength and microstructure of anthracite in the process of CO2 injection into deep coal seams, takes anthracite as the research object, the degradation characteristics of ...
Yichao JIA   +4 more
doaj   +1 more source

Modelling and experimental study of separators for co-solvent recovery in a supercritical extraction process [PDF]

open access: yes, 2006
Co-solvent recovery in supercritical extraction is addressed here through a theoretical description of the behaviour of a CO2 + co-solvent mixture into a cascade of cyclonic separators, such as those existing in conventional fractionation processes based
Camy, Séverine   +1 more
core   +2 more sources

Emerging research directions in nanoparticle‐based foam control for bioprocessing: a bibliometric approach

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Overfoaming remains a critical challenge in industrial bioprocesses, compromising mass transfer, operational stability, and downstream efficiency in bioreactors and wastewater treatment systems. This study provides a bibliometric and scientometric assessment of nanoparticle‐enabled foam control to map technological trends and identify research
Antonio Átila Menezes Ferreira   +6 more
wiley   +1 more source

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