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(linear first order desorption). This phenomenon in the solid phase can be interpreted as transport process with instantaneous equilibrium, based on the variations of solute concentration in the plant material and a small mass transfer resistance. The mathematical model applied to describe the mass transfer kinetics of oilresin extraction by supercritical CO2 has been fitted to experimental kinetic data using equation (12). Since the physical characteristics of the fixed bed have been determined experimentally and the operating conditions are kwon, the linear first order desorption constant (K) given by equation (9) is the only remaining parameter to be regressed. Mass Balance in the Fluid Phase Cf UCf (1)S CS (6) t z f t Boundary Conditions I. Cf 0, t0 (7) II. Cf 0, z0 (8) Mass Balance in the Solid Phase (1) CS KC (9) St S Boundary Conditions I. CS C0, t0 (10) The solute concentration in the fluid phase is given by the equation as follows. (1) L C (zL,t) S C exp Kt exp(Kt) (11) f 0U f The extraction yield is given by the equation as follows.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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