Search Results - "Araus, Karina"

Syngas production from coal in presence of steam using filtration combustion by Mario Toledo, T., Karina Araus, S., Diego Vasconcelo, A.

“…Empirical studies were performed over the effects of volume fractions of coal, steam concentrations, and air flows during filtration combustion of mixtures…”
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Cosolvent effect of ethanol on the solubility of lutein in supercritical carbon dioxide by Araus, Karina A., Casado, Víctor, del Valle, José M., Robert, Paz S., de la Fuente, Juan C.

“…[Display omitted] •Lutein was isolated from marigold, purified and characterized.•Solubility of lutein in CO2 and (CO2 + ethanol) was measured at T < 333 K, P…”
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Syngas production from wood pellet using filtration combustion of lean natural gas–air mixtures by ARAUS, Karina, REYES, Felipe, TOLEDO, Mario

“…A common method for the production of hydrogen and syngas is solid fuel gasification. This paper discusses the experimental results obtained from the…”
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Solubility of β-carotene in ethanol- and triolein-modified CO2 by ARAUS, Karina A, CANALES, Roberto I, DEL VALLE, Jose M, DE LA FUENTE, Juan C

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Effect of triolein addition on the solubility of capsanthin in supercritical carbon dioxide by Araus, Karina A., del Valle, José M., Robert, Paz S., de la Fuente, Juan C.

“…► We isolated capsanthin from red pepper (Capsicum annuum L.). ► We measured its solubility in pure CO2 and with triolein as cosolvent. ► We model the…”
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Measurement and modeling of high-pressure (vapor + liquid) equilibria of (CO 2 + alkanol) binary systems by Bejarano, Arturo, Gutiérrez, Jorge E., Araus, Karina A., de la Fuente, Juan C.

“…► (Vapor + liquid) equilibria of three (CO 2 + C 5 alcohol) binary systems were measured. ► Complementary data are reported at (313, 323 and 333) K and from (2…”
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Separation of major and minor lipid components using supercritical CO2 coupled with cross-flow reverse osmosis membrane filtration by Araus, Karina, Temelli, Feral

“…A reverse osmosis polyamide membrane was used to test the feasibility of concentrating triacylglycerol (TAG) and α-tocopherol/β-sitosterol from model mixtures…”
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Apparent contact angle of oleic acid and triolein on a reverse osmosis membrane in SC-CO2 environment by Araus, Karina, Santos, Eileen, Couto, Ricardo, Temelli, Feral

“…Polymeric reverse osmosis membranes have been employed to separate lipid mixtures using supercritical carbon dioxide (SC-CO2), where the operating conditions…”
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Separation of lipid mixtures using a coupled supercritical CO2–membrane technology system by Akin, Oguz, Araus, Karina, Temelli, Feral

“…•Integrated supercritical CO2–membrane separation system used in dead-end mode.•TAG/OA model lipid mixture studied at 120 and 280bar using 5 polymer…”
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Optimization of hydrogen production by filtration combustion of natural gas by water addition by ARAYA, Rodrigo, ARAUS, Karina, UTRIA, Khriscia, TOLEDO, Mario

“…The effect of adding steam during filtration combustion of natural gas-air mixtures was studied with the aim to evaluate the optimization of hydrogen…”
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Separation of lipid mixtures using a coupled supercritical CO 2 –membrane technology system by Akin, Oguz, Araus, Karina, Temelli, Feral

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Matrix effects in supercritical CO₂ extraction of essential oils from plant material by Araus, Karina, Uquiche, Edgar, del Valle, José M

“…In this work, we reviewed the effect of the solid matrix in the supercritical CO₂ (SC-CO₂) extraction of essentials oils from plant material. A diffusional…”
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Solubility of β-carotene in ethanol- and triolein-modified CO 2 by Araus, Karina A., Canales, Roberto I., del Valle, José M., de la Fuente, Juan C.

“…► We measure solubility of β-carotene in pure CO 2, and with ethanol and triolein as co-solvents. ► We model the solubility of β-carotene in pure CO 2, and…”
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Matrix effects in supercritical CO 2 extraction of essential oils from plant material by Araus, Karina, Uquiche, Edgar, del Valle, José M.

“…In this work, we reviewed the effect of the solid matrix in the supercritical CO 2 (SC-CO 2) extraction of essentials oils from plant material. A diffusional…”
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Solubility of [beta]-carotene in ethanol- and triolein-modified CO sub(2) by Araus, Karina A, Canales, Roberto I, Del Valle, Jose M, De la Fuente, Juan C

“…Modification of an experimental device and methodology improved speed and reproducibility of measurement of solubility of [beta]-carotene in pure and modified…”
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Identification of the Effect of Entrainers (Triolein or Ethanol) on the Carotenoids Extraction from Red Paprika (Capsicum annuum L.) Using Supercritical Carbon Dioxide (SC-CO2) by Araus Sarmiento, Karina A

“…Carotenoid pigments are used as colorants in food products and they are recognized for their antioxidant properties, helping in the prevention of a number of…”
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