specialists in production of supercritical fluids systems.

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                      R&D system

Separeco have decided to realize research plants with a minimum volume of 1 liter. This policy arises from the decennial experience matured in the engineering and set up of supercritical CO2 processes. The reasons of this choice is due to the following reasons:

  • The percentage of the active principles to extract is often lower than 10% of the dry weight. Considering that flours have a filling index of the basket around 0,5, with a 100-200 ml volume the yield is few drops of extract, often insufficient for a complete testing.
  • Extraction kinetics generally are not scalable for volumes lower than 1 liter.
  • Plants with an extractor smaller than 1 liter are not provided of a CO2 condenser. This means that CO2 is not recovered during the cycle. In our plants CO2 is totally recovered during the cycle.
  • In plants with extractors smaller than 1 liter it is difficult to perform extraction with high pressure water for polar substances.
  • Pumps are so small that it would be impossible to feed a fractionation tower.

In our research plants the extractor gross volume is about 1000 ml, whereas the basket containing the matrix t treat has total useful volume of 800 ml. The closings are “Rapid”, with no locknut nor bolts. The Separeco research plant, model SCF100, has very restrained size, 120 cm x 140 cm. It has a low energy consumption and low amperage, thanks to the utilization of threephase electric equipment. We can provide it in several versions, manual ones and PLC assisted ones, supervised by a PC with total control on the process and video graphs generation. The model SCF100 is configurable as follows:

  • SCF100 series 1, extraction
  • SCF100 series 2, estrazione1 e fractionation
  • SCF100 series 3, estrazione1 e pasteurization
  • SCF100 series 4, estrazione1, fractionation e pasteurization
  • SCF100 series 5, estrazione1, fractionation, pasteurization e micronization.
  • SCF100 series 9, customizable upon request

Note 1: available with high pressure water extraction stage and/or with co-solvent feeding system.All plants can be provided in three different versions:

  • MP: with PTFE double membrane pumps (max 380 bar)
  • HP: with metallic membrane pumps (max 500 bar)
  • UP: with double metallic membrane pumps (max 680 bar)

Each model can be chosen to be manual or PLC and PC assisted with the Gerico control software, able to produce temporal graphs in relation to all the process variables. Moreover it is possible to configure the exercise pressure between 300 and 600 bar. The initial investment is never lost: our plants are scalable! It is always possible to upgrade from series 1 to series 2 and so on, up to series 5. Separeco pay the maximum attention in the components choice for the realization of their plants, utilizing components produced by the best brands on the market. Stainless steel for the skid, Autoclave Engineers valves, Lewa membrane pumps, Swagelok high pressure bridges, Parker pneumatic valves. All our plants are realized according to the European PED (Pressure Equipment Directive) legislation, labeled CE and with all the relevant certifications.

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