Results 61 to 70 of about 408,343 (365)

Mathematical modeling and simulation of gel drying with supercritical carbon dioxide [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
Mathematical models of alumina/silica gel supercritical drying with carbon dioxide were studied using supercritical drying experimental data. An alumina/silica gel with zinc chloride was synthesized and dried with superciritical carbon dioxide, and its ...
ALEKSANDAR ORLOVIC   +2 more
doaj   +3 more sources

Phase Behaviour of Palm Oil Fatty Acid Components in Supercritical Carbon Dioxide [PDF]

open access: yesIranica Journal of Energy and Environment, 2012
In the supercritical CO2 method of extraction of palm oil, many processes in conventional method, such as degumming, deodorization, refining and bleaching processes, are eliminated.
Jamilul Firdaus Jamal Abd Nasir   +2 more
doaj  

Subcritical Water Hydrolysis of Sugarcane Bagasse and Coconut Husk Assisted by Carbon Dioxide

open access: yesChemical Engineering Transactions, 2014
The objective of this work was to evaluate the effect of operation conditions on sub/supercritical waterhydrolysis (SWH) of sugarcane bagasse and coconut husk adding carbon dioxide (CO2) as acid catalyst.
T. Forster-Carneiro   +4 more
doaj   +1 more source

Research on Closed Cycle Pipe Blowing Technology of 5 MW Supercritical Carbon Dioxide Unit Boiler

open access: yes发电技术, 2023
In order to explore the steam pipe blowing process suitable for new supercritical carbon dioxide boiler, taking a 5 MW supercritical carbon dioxide circulating power generation test unit as the research object, the characteristics of main and auxiliary ...
WANG Lin
doaj   +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

Oxidation of cellulose in pressurized carbon dioxide [PDF]

open access: yes, 2009
This work presents first results upon oxidation of type II cellulose by nitrogen dioxide dissolved in carbon dioxide at high pressure. This reaction leads to oxidized cellulose, a natural-based bioresorbable fabric used for biomedical applications.
A. Rattaz   +21 more
core   +4 more sources

Supercritical carbon dioxide

open access: yes, 2022
An increasing number of eco-friendly nanotechnologies for the conservation of cultural heritage materials are becoming available. These include supercritical carbon dioxide (scCO2), which has proven to be a viable green, non-flammable, and ecological method.
Figueiredo, Catarina   +6 more
openaire   +2 more sources

Amine‐Functionalized Chitosan/dECM Composite Promotes Cutaneous Regeneration and Hair Follicle Activation by Regulating Oxidative Stress and Inflammation

open access: yesAdvanced Healthcare Materials, EarlyView.
An amine‐functionalized chitosan and hydrolyzed dECM composite promotes cutaneous regeneration by modulating oxidative stress and inflammatory pathways. The material accelerates wound closure and stimulates hair follicle activation in UV‐damaged cutaneous tissue.
Yu‐Jin Kim   +11 more
wiley   +1 more source

Fracturing with carbon dioxide: Application status and development trend

open access: yesPetroleum Exploration and Development, 2014
Stimulation principles, construction techniques, equipment requirements and technical features of liquid carbon dioxide fracturing were summarized, and the existing problems and development trend of this technology were discussed.
He LIU   +4 more
doaj   +1 more source

Water, ethanol and carbon dioxide in fractionation and isolation of berry metabolites [PDF]

open access: yes, 2007
There is no real need for use of harmful solvents.
Kallio, Heikki
core  

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