Core | Extraction
Core Separations specialises in the manufacture of many of the key components found in our extraction systems. As one of the industry leaders in the supercritical extraction process, our production and codes of practice ensure that the quality, safety and functionality are of the optimum standard.
With our extensive knowledge built on over 20 years of experience working with supercritical fluids, we are experts in the field of delivering bespoke systems which have been comprehensively developed to process a variety of natural products. These solutions include extractions from herbs, seeds and leaves. Furthermore, our systems are designed to extract Cannabinoids from the Cannabis plant, as well as any materials that have a solubility in CO2, or CO2 with a modifying solvent.
Core | Heat Exchangers
01. Core| Condenser
Although we use a liquid CO2 feed in our extraction systems, its important that the incoming CO2 remains liquid.The condenser acts to maintain the incoming temperature of the CO2 ensuring it remains a liquid during the pumping phase. Additional condensers can be added with higher flow rate pumps or the addition of a recycling unit.
05. Core| Pre-Heater
The pre-heater is located just after the pump to control the temperature of the CO2 reaching the extractor. It ensures the CO2 entering the extraction vessel is already at the extraction temperature ensuring a controlled extraction process.
08. Core| Vaporiser
Joule-Thomson effect is observed when we go from a high pressure to a low pressure resulting in a drop in temperature. To overcome this, we use a Vaporiser to heat the CO2 exiting the ABPR. The vaporiser also helps to expand the CO2 from its liquid state into a gas in-order to help precipitate the extracted components.
Core | Collection System
09. Core| Cyclones
Offering both double end and single ended cyclone designs using either standard PTFE o-rings or sprung seals our systems can accommodate either multiple cyclones for either single pot collection or multi pot fractionation.
10. Core| Cold Trap
While its important to expand the CO2 into its gas phase in-order for the extracted components to precipitate from the CO2 feed into one of the cyclone separators, the more volatile components can vaporise and escape with the CO2. The addition of a cold trap after the last cyclone can aid in trapping the more volatile components obtained from example terpenes terpenoids.
11. Core| MBPR
Whether it be a cyclone separator or a cold trap controlling the pressure inside these vessels can aid in collection or in the case of multi cyclone systems result in selective fraction of the extraction feed. By modifying the pressure and temperature in each separator the density can be accurately control to favour the precipitation of some components over other. The manual back pressure regulators facilitate the control of the pressure in each of the separators.
Core | Pumps
03. Core| CO2 pumps
Built from the ground up using our extensive knowledge of CO2 processing the Core CO2 pumps are designed for high demand environments such as research and production. Our systems can be built to utilise our wide range of pumps allowing us to achieve flow rates between 5g/min upto 1kg/min.
04. Core| Co-Solvent Pump
The use of co-solvent pumps have a number of benefits when incorporated into a system. They allow the introduction of solvent to modify the CO2 polarity. But they can be used for cleaning and the introduction of solutes in the SAS process. The co-solvent pumps like our CO2 pumps have been designed from the ground up. In fact they can be used for both operations with the addition or removal of our cooling cartridges.
Addition of a flow meter improves delivery accuracy by adjusting the flow to compensate for changes in the CO2 feed density. Although we control the incoming temperature of the CO2 a drop in pressure from the CO2 bottle as we consume the CO2, can result in a density shift causing the pump to under deliver the CO2 to the process. The flow meter also offers additional process data to be collected in the system, such as total CO2 used.
Core | Pressure Control
07. Core| ABPR
Utilising a electopneumatic back pressure regulator with our APC control mechanism we are able to automatically regulate the pressure in our extractions, maintaining pressures +/- 1 bar of the setpoint.
APC stands for adaptive pressure control. This is our advanced and propriety pressure control system used in the SFX software. It uses multi point PID control to ensure the pressure set-point is achieved quickly and accurately.
Core| SFX software
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Core | Extraction
06. Core| Extraction
Ultilising a static sprung seal we offer tool-less threaded pressure vessel, designed to withstand 1000’s cycles at 689 bar (10,000 psi). We offer a variety or volumes to meet a number of production rates, with our vessels meeting a variety of regional regulations (ASME and PED). this allows us to offer our systems all round the world.