Fig. 3. Sketch of the supercritical extraction experiment: (a) purge, (b) CO2 tank, (c) air tank, (d) and (e) manometers, (f) diaphragm pump, (g) cooler, (h) extraction chamber,
(i) CO2 separator and extract collector, (j) auxiliary separator and extract collector, (k) flowmeter, and (l) CO2 to atmosphere.