Study of the influence of process parameters on liquid and supercritical CO2 extraction of oil from rendered materials: Fish meal and oil characterization
Pressurized CO2 extraction of remaining fat from fish meal has been carried out.
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Extraction may be controlled by the solubility of the oil in CO2 in the first stage.
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The lowest fat content in the fish meal was 0.7% at 39.5 MPa and 40 °C.
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Production of fish protein concentrates at low operating T is beneficial.
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Fish meal after SC-CO2 extraction presents lighter colour than the original fish meal.
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