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The extraction of lipids from a microalgae (Chlorella pyrenoidosa) was experimentally investigated at a constant temperature of 30°C with ethanol. The experiments involved a bed of dry solids loaded in a cylindrical vessel with approximately 23.5×10−3kg of solvent. At the top of the cylinder there was a moving piston to allow extraction at cyclic or constant pressurization. A set of 10 kinetic extraction...
The kinetics and thermodynamics of soybean extraction using ethanol and ethanol+alkyl esters mixtures (biodiesel) as co-solvent were investigated. The extraction parameters investigated were temperature (25, 40 and 55°C) and biodiesel to ethanol mass ratio. The extractions were carried out in batch mode at a fixed solvent to soybean mass ratio (4:1). Three different kinetic models were used to correlate...
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