Figure 1: Schematic diagram of the high pressure extraction system. TC 1-3, Heat exchangers; V 1-9, Valves; TR 1-3, Temperature recorder; E, Extractor vessel ; S, Separator vessel; RV 1&2, Relief valve assemblies; P 11-14, Pressure indicators; PCR, Pressure control regulator; RD 1&2, Rupture disc assemblies; MF, Micro filter; FM, Flow meter; PR, Pressure recorder; CV 1-3, Check valve assemblies; FR, Flow recorder; G, Gas cylinder; B, Balance.