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  • Extraction of strawberry leaves with supercritical carbon ...

    Extraction of strawberry leaves with supercritical carbon dioxide and entrainers: Antioxidant capacity, total phenolic content, and inhibitory effect on uric acid production of the extract

  • Extractive distillation of methylal/methanol mixture using ...

    This explains the improvement of relative volatility of methylal to methanol using mixed entrainers in this regard. 4.4. Process simulation design. Simulation of the separation for the methylal and methanol mixture (95 wt% methylal ... S. DaiIonic liquids-based extraction: a promising strategy for the advanced nuclear fuel cycle. Chem Rev ...

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  • Supercritical fluid extraction - Wikipedia

    Supercritical fluid extraction (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as the extracting solvent.Extraction is usually from a solid matrix, but can also be from liquids.SFE can be used as a sample preparation step for analytical purposes, or on a larger scale to either strip unwanted material from a product (e.g ...

  • Effects of entrainers on the purity of andrographolide ...

    In order to determine the influences of entrainers on the extraction process, firstly, a pre-experiment aiming at testing the effects of pressures (8, 16, and 24 MPa) and temperatures (40, 55, and 70 °C) with the presence of 5% entrainers were carried out.

  • Cited by: 5
  • Entrainer Selection Approach for Distillation Column

    34 Onkar A. Deorukhkar et al Figure 1.2: Vapour liquid equilibrium T-x-y phase diagram (koretsky 2004) Figure 1.3: (a) vapour-liquid x-y diagram for ideal binary mixture (b) vapour-liquid x-y diagram for binary mixture that forms an azeotrope. (Seader and Henley 2006) 1.6 RESIDUE CURVE MAPS Residue curve map (RCM) analysis is useful for the selection of entrainer for

  • (PDF) Investigation of acetic acid dehydration by various ...

    The energy requirements for the most promising entrainers are calculated using a commercial process simulator. It was found that methyl tert-butyl ether is a promising entrainer for the acetic ...

  • Entrain Definition of Entrain at Dictionary

    Entrain definition, to go aboard a train. See more.

  • Supercritical Carbon Dioxide Extraction of Carotenoids ...

    Apr 21, 2014  Entrainers could be constantly added to the CO 2 mobile phase upstream of extraction vessel (co-solvent) or, alternatively, mixed with the matrix powder into the extractor vessel (modifier). In the latter case, modifiers, depending on their solubility in SC-CO 2 , can be quickly transported out of the extractor by the supercritical fluid with ...

  • Solutions – e-Traction

    e-Traction’s innovative systems and components lower environmental impacts and energy consumption, while boasting one of the most competitive total costs of ownership on the market. Our team of leading experts and engineers develop, realize and implement superior, next-generation and patented powertrain technology in e-mobility.

  • e-Traction – revolution in motion

    Herewith e-Traction would like to give an update regarding the precautions and measures we have taken in response to the global outbreak of the corona virus (COVID-19), to inhibit dissemination and ensure business continuity. First, the health and safety of our own employees and our relations remain our top priority! e-Traction has ensured in ...

  • Supercritical Extraction Processes - IHS Markit

    I 63 ‘0 E 0 0 I I E 0 GB Report No. 197 SUPERCRITICAL FLUID PROCESSING by WING SIEN FONG July 1989 A private report by the PROCESS ECONOMICS PROGRAM

  • Multi-scale simulation of the 1,3-butadiene extraction ...

    A multi-scale simulation method is proposed to enable screening of ionic liquids (ILs) as entrainers in extractive distillation. The 1,3-butadiene production process with acetonitrile (ACN) was chosen as a research case to validate the feasibility of the methodology. Ab initio calculations were first carried out to

  • BASIL™—BASF’s Processes Based on Ionic Liquids Sigma-Aldrich

    Currently, the most important application of Ionic Liquids described is their use as reaction media for chemical processes. A major breakthrough was reached with BASF’s introduction of the first application on a commercial scale: the BASIL™-process, which received the

  • [PDF] Process Design and Optimization of an Acetic Acid ...

    An extraction and distillation hybrid process using a novel mixed solvent was proposed for enhancing acetic acid recovery during terephthalic acid production. Feasible hybrid extraction− distillation schemes were designed, simulated, and optimized for two mixed solvents, p-xylene + methyl acetate, and p-xylene + ethyl acetate, based on liquid−liquid equilibrium data for a quaternary system ...

  • Application of supercritical fluids in cholesterol ...

    May 24, 2018  Modifiers (entrainers) are co-solvents which improve the efficiency of the SCF extraction by increasing the solubility of analyte. Also, modifiers extend the range of extractable materials. Some common modifiers are methanol, ethanol, dichloromethane, 2-propanol and acetonitrile.

  • Systematic design of an extractive distillation for ...

    An overall indicator for entrainer evaluation is proposed and a ranking list is generated. Finally, the top five entrainers from the ranking list have been selected and use process optimization techniques to further evaluate selected entrainers and generate an optimal design.

  • Supercritical Carbon Dioxide Extraction of Carotenoids ...

    Carotenoids are well known for their nutritional properties and health promoting effects representing attractive ingredients to develop innovative functional foods, nutraceutical and pharmaceutical preparations. Pumpkin (Cucurbita spp.) flesh has an intense yellow/orange color owing to the high level of carotenoids, mainly α-carotene, β-carotene, β-cryptoxanthin, lutein and zeaxanthin.

  • Purification of Fish Oils and Production of Protein ...

    5.3.2 Kinetics of the Hydrolysis Process of the Fish Oils ..... 100 5.3.3 Degree of Hydrolysis (DH) of the Fish Oils Hydrolyzed with Different Amount of Lipase for 3, 6, 12, and 24h ..... 102 5.3.4 Changes during the Enrichment of EPA and DHA in the Fish Oils..... 103 5.3.5 PV, FFA, TBARs, EPA and DHA, and Color of the Raw and Final Fish Oils ...

  • Application of supercritical fluids in cholesterol ...

    May 24, 2018  Modifiers (entrainers) are co-solvents which improve the efficiency of the SCF extraction by increasing the solubility of analyte. Also, modifiers extend the range of extractable materials. Some common modifiers are methanol, ethanol, dichloromethane, 2-propanol and acetonitrile.

  • Systematic design of an extractive distillation for ...

    An overall indicator for entrainer evaluation is proposed and a ranking list is generated. Finally, the top five entrainers from the ranking list have been selected and use process optimization techniques to further evaluate selected entrainers and generate an optimal design.

  • Supercritical Carbon Dioxide Extraction of Carotenoids ...

    Carotenoids are well known for their nutritional properties and health promoting effects representing attractive ingredients to develop innovative functional foods, nutraceutical and pharmaceutical preparations. Pumpkin (Cucurbita spp.) flesh has an intense yellow/orange color owing to the high level of carotenoids, mainly α-carotene, β-carotene, β-cryptoxanthin, lutein and zeaxanthin.

  • Purification of Fish Oils and Production of Protein ...

    5.3.2 Kinetics of the Hydrolysis Process of the Fish Oils ..... 100 5.3.3 Degree of Hydrolysis (DH) of the Fish Oils Hydrolyzed with Different Amount of Lipase for 3, 6, 12, and 24h ..... 102 5.3.4 Changes during the Enrichment of EPA and DHA in the Fish Oils..... 103 5.3.5 PV, FFA, TBARs, EPA and DHA, and Color of the Raw and Final Fish Oils ...

  • Separation of Ethyl Acetate−Ethanol Azeotropic Mixture ...

    The separation of ethyl acetate and ethanol (EtOH) is important but difficult due to their close boiling points and formation of an azeotropic mixture. The separation of the azeotropic mixture of ethyl acetate and EtOH using the hydrophilic ionic liquids (ILs) 1-alkyl-3-methylimidazolium chloride (alkyl = butyl, hexyl, and octyl) ([Cnmim]Cl, n = 4, 6, 8) and 1-allyl-3-methylimidazolium ...

  • IONIC LIQUIDS AND HYPERBRANCHED POLYMERS –

    A pre-selection process of a variety of ionic liquids for their potential use as entrainer was carried out by determining the separation factor at infinite dilution. In case of a separation factor at infinite dilution, which differs from unity, vapor-liquid equilibria of azeotropic mixtures in the presence of potential entrainers were determined by

  • The Extraction of Heavy Oil from Trinidad Tar Sands Using ...

    Keywords: Tar Sands, Supercritical Fluid Extraction, Carbon Dioxide, Entrainers, Environmentally Friendly Process . 1. Introduction . Tar sands are being increasingly exploited as an alternative hydrocarbon fuel resource, with the bulk of current production being from the deposits in the Athabasca area of Canada. In Trinidad fairly extensive

  • Separation of azeotropic mixtures using hyperbranched ...

    Degussu AG, Process Technology, VT‐F, D‐63457 Hanau, Germany. Matthias Seiler, Degussu AG, Process Technology, VT‐F, D‐63457 Hanau, Germany. Wolfgang Arlt, Technische Universität Berlin, Institut für Verfahrenstechnik, Fachgebiet Thermodynamik und Thermische Verfahrenstechnik, D‐10623 Berlin, Germany. Search for more papers by this ...

  • Extraction of organics from aqueous solutions using ...

    @article{osti_5894252, title = {Extraction of organics from aqueous solutions using critical-fluid carbon dioxide}, author = {de Filippi, R P and Moses, J M}, abstractNote = {The recovery of ethanol from ethanol-water solutions by solvent extraction with liquid or supercritical carbon dioxide is described. Early results indicate that the process has the potential to significantly reduce the ...

  • Extraction of pesticides from contaminated soil using ...

    Contaminants may be easily recovered by evaporating the CO[sub 2] into an expansion vessel. Supercritical fluid extraction technology is discussed and results are given for the extraction of atrazine, bentazon, alachlor, and permethrin from contaminated soil prepared in the laboratory. Initial studies show >95% removal for these pesticides.

  • Selection of Entrainers in Extraction of Paprika With ...

    The effects of water, ethanol or actone as entrainers in the extraction of capsaicin and capsanthin from paprika by supercritical carbon dioxide were studied. Increasing coefficient and selectivity, the two parameters were suggested to evaluate the effects of entrainers. The results showed that the three entrainers had different increase effects on the capsaicin and capsathin.

  • the extraction process - Traduction en français - exemples ...

    In order to facilitate and complete the extraction process, organic entrainers can additionally be introduced. Des agents d'entraînement organiques supplémentaires peuvent être introduits pour faciliter et compléter l'opération d'extraction.

  • (214a) Ionic Liquids As Entrainers for Azeotropic ...

    This is overcome by using, on one hand, material separation agents in operations such as adsorption or liquid-liquid extraction, or by adding an entrainer to a distillation column (azeotropic or extractive distillation). ... as entrainers for the separation of azeotropic mixtures. Ionic liquids are molten salts with a fusion point below (or ...

  • Simulation and Optimization on the Process of Acetic Acid ...

    Some azeotropic entrainers in the process of acetic acid dehydration could extract acetic acid from its dilute solution; this text would observe the ability of extraction about these entrainers mentioned in the literatures. By using the EXTRACT module in Aspen Plus, it is found that isopropyl acetate was the most effective extracting agent. The process of acetic acid dehydration via extraction ...

  • Selection of Entrainers in Extraction of Paprika With ...

    The effects of water, ethanol or actone as entrainers in the extraction of capsaicin and capsanthin from paprika by supercritical carbon dioxide were studied. Increasing coefficient and selectivity, the two parameters were suggested to evaluate the effects of entrainers. The results showed that the three entrainers had different increase effects on the capsaicin and capsathin.

  • the extraction process - Traduction en français - exemples ...

    In order to facilitate and complete the extraction process, organic entrainers can additionally be introduced. Des agents d'entraînement organiques supplémentaires peuvent être introduits pour faciliter et compléter l'opération d'extraction.

  • (214a) Ionic Liquids As Entrainers for Azeotropic ...

    This is overcome by using, on one hand, material separation agents in operations such as adsorption or liquid-liquid extraction, or by adding an entrainer to a distillation column (azeotropic or extractive distillation). ... as entrainers for the separation of azeotropic mixtures. Ionic liquids are molten salts with a fusion point below (or ...

  • Simulation and Optimization on the Process of Acetic Acid ...

    Some azeotropic entrainers in the process of acetic acid dehydration could extract acetic acid from its dilute solution; this text would observe the ability of extraction about these entrainers mentioned in the literatures. By using the EXTRACT module in Aspen Plus, it is found that isopropyl acetate was the most effective extracting agent. The process of acetic acid dehydration via extraction ...

  • Supercritical extraction of toxic organics from soils ...

    Role of entrainers in supercritical fluid extraction of chlorinated aromatics from soils. Chemosphere 1991 , 23 (8-10) , 1085-1095. DOI: 10.1016/0045-6535(91)90133-X.

  • Cannabis Extraction Extraction Efficiency Cannabinoid ...

    Extraction Efficiency Series: Objective Setting Part One. This groundbreaking webinar takes a deep dive into CO2 extraction of cannabinoids with the primary goal of helping extraction labs and artisans learn how to control the many variables in the process, and improve the desired results, whether that be to isolate individual compounds, increase overall extraction efficiency or maximize ...

  • ENTRAINER SELECTION - FIZ CHEMIE

    entrainers are chosen which introduce at least one further extreme-boiling binary azeotrope. On the other hand, entrainers are chosen which introduce a low-boiling ternary heterogeneous azeotrope. Tab.1 Criteria for solvents when components 1 and 2 form a pressure maximum ... the extraction process

  • Design and Optimization of Acetic Acid Dehydration Processes

    the extraction process. Kürüm et al. (1995)[4] evaluated 34 types of possible entrainers for acetic acid purification with extraction followed by azeotropic distillation in terms of selectivity, distribution coefficient, recoverability, density, chemical reactivity, viscosity, vapor pressure and freezing ...

  • SUPERCRITICAL CARBON DIOXIDE EXTRACTION OF

    entrainers (methanol, chloroform and acetonitrile) (Anderson et al., 1997). It was shown that the entrainers increased the efficiency of extraction. The objective of this work was to carry out supercritical fluid extraction of pigments from annatto seeds with CO2 and CO2 modified with ethanol and to assess the effects of temperature,

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    “Sports is nothing more than a vehicle by which one can improve their practice of principle. Use it to reach your destination. Generate momentum beyond the game!”

  • Traduction the extraction process français Dictionnaire ...

    traduction the extraction process dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'extract',extractor',extortion',extradition', conjugaison, expressions idiomatiques

  • (449ac) Separation of Antioxidants from Strawberry By ...

    The extraction of the receptacle of strawberry was conducted by semi-batch system with carbon dioxide and mixtures of carbon dioxide - ethanol, acetone and water. The antioxidant activities in the presence of entrainer were higher than that in the absence of entrainer at 313 K and 20 MPa, which indicates that entrainers are effective for the ...

  • Pressurized carbon dioxide as a potential tool for ...

    The physical state of the solvent mixture is crucial for the outcome of any extraction process and may be of most importance for the decellularization process in particular. A more appropriate use ...

  • Supercritical Carbon Dioxide Extraction of Carotenoids ...

    Entrainers could be constantly added to the CO2 mobile phase upstream of extraction vessel (co-solvent) or, alternatively, mixed with the matrix powder into the extractor vessel (modifier). In the latter case, modifiers, depending on their solubility in SC-CO2, can be quickly transported out of the extractor by the supercritical fluid with the ...