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concentration for all the experiments carried out using supercritical CO2 as solvent. 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Figure7. Model regression applied to the extraction of oilresin from tumeric rhizomes with CO2. Table 2. Linear first order constant and the concentration for all the experiments. PTYK TDrying = 343 K P = 30 MPa, T = 318 K P = 25 MPa, T = 318 K TDriying = 378 K) P = 30 MPa, T = 318 K P = 25 MPa, T = 318 K 0 20 40 60 80 100 120 Time [min] [MPa] 25 30 25 30 [K] [gOil/KgCO2] 343 2.80 343 3.78 378 2.30 378 2.94 [1/min] 4. CONCLUSIONS Based on the evaluation and analysis of experimental extraction data the following conclusions can be stated: a) For economical proposes, the extraction of oilresin from turmeric rhizomes (Curcuma longa, L.) should be carried out at 30 MPa. b) The drying pre-treatment of the rhizomes of tumeric at 378 K led to a decrease on both the extraction yield and concentration of curcuminoids in the oilresin. MOil [g]PDF Image | SUPERCRITICAL CO2 EXTRACTION OF CURCUMINS
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
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