engleski

Supercritical fluid extraction laboratory plant design

A traditional solvent extraction method requires relatively large quantities of solvents, leaving toxic solvent residue and causing degradation of unsaturated compounds. Due to this fact there is an increasing demand for different extraction techniques which provide shortened extraction time, reduced organic solvent consumption, and decreased pollution. Supercritical Fluid Extraction (SFE) technique presents various advantages over traditional methods, such as the use of low temperatures, reduced energy consumption and high product quality due to the absence of solvent in extracts. In SFE process, environmentally friendly CO2 is primarily used as an extracting agent. The aim of this work was the design and development of a supercritical CO2 extraction system used for laboratory measurements based on existing commercial systems. Alongside with the developed laboratory plant, an electronic system and PC application were developed for process control and future automation to achieve most accurate extraction parameters for production of quality extracts.

supercritical CO2 extraction; system construction; process control; automation; PC application

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