Search Results - "Veloso, Ivan I. K."
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Mathematical Modeling of Fed-Batch Ethanol Fermentation Under Very High Gravity and High Cell Density at Different Temperatures
Published in Applied biochemistry and biotechnology (01-06-2022)“…The use of more appropriate kinetic models can assist in improving ethanol fermentation under conditions of very high gravity (VHG) and high cell density…”
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Temperature Influence in Real-Time Monitoring of Fed-Batch Ethanol Fermentation by Mid-Infrared Spectroscopy
Published in Industrial & engineering chemistry research (14-10-2020)“…Fourier transform mid-infrared (FT-MIR) spectroscopy is a fast, accurate, and practical technique for the quantitative analysis of compounds during ethanol…”
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Thermal Analysis of Conventional and Extractive Fed-Batch Ethanol Fermentation at Different Temperatures
Published in Bioenergy research (01-12-2023)“…Very high gravity (VHG) ethanol fermentation at low temperatures can be a way to obtain wines with high ethanol content (> 15 °GL). The production of vinasse…”
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Ethanol Recovery from Stripping Gas Mixtures by Gas Absorption: Experimental and Modeling
Published in Energy & fuels (17-01-2019)“…Ethanol removal by CO2 stripping during alcoholic fermentation is one way of overcoming the problem of inhibition by the product. However, the lack of…”
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Mid‐infrared spectroscopy as a tool for real‐time monitoring of ethanol absorption in glycols
Published in Canadian journal of chemical engineering (01-01-2021)“…Fast, simple, accurate, and inexpensive methods for obtaining analyte concentration data are desirable in the industrial sector. In the present study, the use…”
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Real-Time Monitoring of Ethanol Fermentation Using Mid-Infrared Spectroscopy Analysis of the Gas Phase
Published in Industrial & engineering chemistry research (01-06-2022)“…The Fourier transform mid-infrared (FT-MIR) spectroscopy technique, with multivariate calibration by the partial least-squares (PLS) regression method, was…”
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Thermal analysis of extractive fed-batch ethanol fermentation with CO2 stripping: Modeling and simulation
Published in Chemical engineering and processing (01-12-2022)“…•Cooling water consumption has been reduced up to 62.1%.•Extractive fermentation with CO2 could enhance the process in warm regions.•The fermentation was…”
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A more accurate modeling for fed-batch ethanol fermentation with high cell density
Published in Biochemical engineering journal (01-04-2023)“…In fermentations with high cell density, the high volume occupied by the cells can impair the robustness of models. In this work, the cell volume was…”
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Fed-batch ethanol fermentation at low temperature as a way to obtain highly concentrated alcoholic wines: Modeling and optimization
Published in Biochemical engineering journal (15-01-2019)“…[Display omitted] •Kinetic parameters of the Andrews-Levenspiel model correlated with temperature.•Fed-batch fermentation validated with kinetic model obtained…”
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Ethanol removal by stripping with CO2 reduced-size bubbles: Mechanical and thermodynamic entrainments
Published in Chemical engineering and processing (01-11-2024)“…•Saturation of the gas phase in ethanol and water was experimentally confirmed for microbubbles and coarse bubbles.•Mathematical modeling was proposed to…”
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