Solubility in supercritical carbon dioxide

Cover of: Solubility in supercritical carbon dioxide | Ram B Gupta

Published by CRC Press in Boca Raton .

Written in English

Read online

Subjects:

  • Supercritical fluid extraction,
  • Solubility,
  • Liquid carbon dioxide

Edition Notes

Includes bibliographical references and index

Book details

StatementRam B. Gupta, Jae-Jin Shim
ContributionsShim, Jae-Jin
Classifications
LC ClassificationsTP156.E8 G77 2007
The Physical Object
Pagination909 p. :
Number of Pages909
ID Numbers
Open LibraryOL17210071M
ISBN 109780849342400
LC Control Number2006031627

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Further critical parameters are the limited solubility of CO2 in many electrolytes and its hindered mass transport to the electrodes. Herein we report on a series of nanoparticle Cu electrocatalysts on different carbon supports and their potential to perform the electrochemical CO2 reduction under supercritical conditions (scCO2).

The solubility of dyes in supercritical carbon dioxide, dye distribution, and mass transfer phenomena between the textile fibers and carbon dioxide are discussed while the challenges and limitations of supercritical carbon dioxide dyeing have been highlighted and suggestions proffered to.

Carbon Dioxide Recovery and Utilization is a complete and informative resource on the carbon dioxide sources and market at the European Union level, with reference to the world situation.

The book covers the following themes: Sources of carbon dioxide and their purity, - Market of carbon dioxide and its uses, - Separation techniques of carbon dioxide from flue gases, - Analysis of the.

Prediction of solubility of sunitinib malate (an anti-cancer drug) in supercritical carbon dioxide (SC–CO2): Experimental correlations and thermodynamic. Solubility in Supercritical Cabon Dioxide. HSPiP Team Senior Developer, Dr. Hiroshi Yamamoto.

I got the data of Solubility in Supercritical Carbon Dioxide, Ram B. Gupta, Jae-Jin Shim, CRC press. There is one idea that the Solubility in ScCO2 is. However, at the intersection of T c and P c, the liquid and gas phases cannot be distinguished, and the single fluid phase CO 2 is said to be supercritical carbon dioxide (scCO 2).

53 ScCO 2 is inexpensive, non-flammable, non-toxic, and its properties can be tuned through its density. 54 In addition, there is a high level of control over. The solubility of ten steroids in supercritical carbon dioxide is reported over a range of temperatures (35– °C) and pressures (84– kg cm –2).The solubility of testosterone, determined in this work, compares favourably with solubility data previously reported.

Chemists have been researching the potential of liquid and supercritical carbon dioxide for environmentally safe applications. This edited volume will cover the various applications of using these forms of carbon dioxide. The three main areas of focus are catalysis and chemical synthesis in CO2, polymers in CO2, and industrial processes and applications utilizing CO2.

Dense phase carbon dioxide (DPCD) is a non-thermal method for food and pharmaceutical processing that can ensure safe products with minimal nutrient loss and better preserved quality attributes. This book is the first to bring together the significant amount of research into DPCD and highlight its effectiveness against microorganisms and.

the conditions of temperature and pressure affecting the solubility of the various components in the supercritical fluid. Supercritical fluid extraction does not leave a chemical resi-due. Supercritical fluid extractions can use carbon dioxide gas, which can be recycled and used again as part of the unit opera-tion (Rizvi and others ).

I am working on eugenol and supercritical carbon dioxide. I would like to know what the solubility of eugenol extracted from clove oil in ScCO2 is at.

Solubility of hazelnut oil in supercritical carbon dioxide (SC-CO2) was determined at 15–60 MPa, and 40–60 °C. The crossover pressure of hazelnut oil was between 15 and 30 MPa. Carbon dioxide usually behaves as a gas in air at standard temperature and pressure (STP), or as a solid called dry ice when cooled and/or pressurised sufficiently.

If the temperature and pressure are both increased from STP to be at or above the critical point for carbon dioxide, it can adopt properties midway between a gas and a specifically, it behaves as a supercritical fluid.

Carbon dioxide has received significant attention as a potential environmentally benign medium to replace hazardous organic compounds, but is a relatively poor solvent. The addition of siloxane substituents provides an attractive and inexpensive means. Phase behavior of limonene and linalyl acetate, which are principal constituents of terpenes and oxygenated compounds, respectively, in bergamot oil, with supercritical carbon dioxide (SC-CO 2) was observed by use of process simulator (SIMSCI PRO/II).Solubility of each pure component in SC-CO 2 was calculated by the Peng–Robinson equation of state.

For a given calculating condition, the. The CSPSO-KHM RBF ANN model was employed to investigate the solubility of supercritical carbon dioxide in 10 polymers.

Compared with other methods, such as RBF ANN, adaptive neuro-fuzzy inference system and PSO ANN, the proposed model displays optimal prediction performance. Supercritical SO2 for preparation of sulfur dioxide complexes and for recovery of precious metals from used catalysts (D.K.

Breitinger et al.). Reactions Polymerizations in Supercritical Carbon Dioxide: Surfactants, Micelle Formation, and Heterophase Polymerization (W.

Steffen et al.). Theory for a Supercritical Carbon Dioxide-to-Gas Phase-Change Process for Green Wood Dewatering The application of supercritical carbon dioxide for processing wet materials, such as green wood, is less well known than the numerous applications to dry materials [15].

The solubility of carbon. Free radical chemistry in supercritical CO[2, J. Tanko 5. Fluorous phases and compressed carbon dioxide as alternative solvents for chemical synthesis: a comparison, W. Leitner 6. Enzyme chemistry in carbon dioxide, R.

Rodney and A. Russell Part II: Polymers in CO[2 7. Solubility of polymers in CO[2, M. McHugh 8. In industry, the enhanced solubility that occurs at high pressures is used to extract certain chemical species; for example, the solubility of caffeine in supercritical carbon dioxide enables production of decaffeinated coffee and tea.

The objective of this study was to determine the best operational conditions for obtaining red propolis extract with high antioxidant potential through supercritical fluid extraction (SFE) technology, using carbon dioxide (CO 2) as the supercritical fluid and ethanol as the following parameters were studied: overall extraction curve, S/F (mass of CO 2 /mass of sample), cosolvent.

simple terms, CO2 cannabis other phytochemicals) from the et al. found that chose lower pressures for for Ethanol extracts like CO2 extraction of carbon-dioxide, meaning that supercritical carbon dioxide has soluble compounds, which can and less polar OH Ethanol vs.

Supercritical CO2 Design of Experiments Approach x to any of the.In pure carbon dioxide, changes in cholesterol aggregate size or packing structure are observed with changing pressure. Near the critical point of carbon dioxide, cholesterol solubility is too low to permit significant aggregation, and monomeric cholesterol is observed.

Addition of small amounts of dopants to supercritical carbon dioxide.

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