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Supercritical Fluid Technologies




Technology

Supercritical Fluid Technologies offers a wide range of supercritical fluid extraction products. Whether you require a small, entry-level extractor or a mid-scale, research grade system, SFT has SF equipment to meet your needs and your budget.


SFT 110

SFT-110

The SFT-110 Supercritical Fluid Extractor (SFE) is an entry level system which possesses many features typically found in more costly SFE equipment. It may be used for a variety of applications from routine analytical work to basic process development. The SFT-110 was developed for people who want to investigate the feasibility of applying supercritical fluid techniques to a wide variety of analytical and processing problems. In addition to its numerous industrial uses, the SFT-110 is well suited to the needs of colleges and universities. It is so affordable that it may be incorporated into teaching laboratories. At the same time, it is capable enough to be used for serious research. The SFT-110 accommodates 10 mL to 100 mL extraction vessels. It may be operated at pressures up to 10,000 psi. (68.9 MPa) and at temperatures ranging from ambient to 200°C. The wide range of vessel volumes available makes the SFT-110 well suited to both analytical scale SFE applications and basic process development work. With a 100 mL vessel, the SFT-110 can extract very low levels of key components from materials and process larger amounts of bulk material than would be possible with smaller, analytical scale SFE equipment. Inside the SFT-110′s oven, a preheater ensures that the temperature of the fluid reaching the extractions vessel is controlled precisely. This is essential to obtaining accurate, repeatable results.

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SFT 110XW

SFT-110XW

The SFT-110XW Supercritical Fluid Extractor (SFE) is an entry level system which possesses many features typically found in more costly SFE equipment. It may be used for a variety of applications from routine analytical work to basic process development. The SFT-110XW was developed for people who want to investigate the feasibility of applying supercritical fluid techniques to a wide variety of analytical and processing problems. In addition to its numerous industrial uses, the SFT-110XW is well suited to the needs of colleges and universities. It is so affordable that it may be incorporated into teaching laboratories. At the same time, it is capable enough to be used for serious research. The SFT-110XW accommodates 5 ml to 500 ml extraction vessels. It may be operated at pressures up to 10,000 psi (68.9 MPa) and at temperatures ranging from ambient to 200°C. The wide range of vessel volumes available makes the SFT-110XW well suited to both analytical scale SFE applications and basic process development work. With a 500 ml vessel, the SFT-110XW can extract very low levels of key components from materials and process larger amounts of bulk material than would be possible with smaller, analytical scale SFE equipment. Inside the SFT-110XW’s oven, a preheater ensures that the temperature of the fluid reaching the extractions vessel is controlled precisely. This is essential to obtaining accurate, repeatable results

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SFT 150

SFT 150

The SFT-150 Supercritical Fluid Extraction System has been developed to investigate the feasibility of applying supercritical fluid techniques to various analyses and processing situations. The SFT-150 makes this possible without incurring the larger capital investment required for our more automated and integrated systems. Whether it’s repetitive laboratory extractions or process development and optimization, the SFT-150 provides an excellent introduction to the power and versatility of SFE technology. The SFT-150 System is a fully capable instrument, designed to perform extractions in a supercritical fluid media. It offers the flexibility and safety features often found only in higher priced extraction systems. The modular design of the SFT-150 makes it easy and cost effective to alter the unit’s basic configuration, adapting it to meet new or evolving application needs. It is possible to upgrade the capability of the SFT-150 to match much of the functionality of the SFT-250 SFE System. At the heart of the SFT-150 System is a stainless steel vessel capable of containing supercritical fluids at pressures up to 10,000 psi (68.9 MPa). The SFT-150 is unique in its ability to accommodate pressure vessels up to 2 liters in capacity. A larger processing vessel enables the user to extract very low levels of key components from materials or process larger amounts of bulk material than would be possible with conventional, analytical scale SF equipment.

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SFT250

SFT 250

The SFT-250 SFE Processing System is designed to perform extractions in a supercritical fluid media. This system was engineered to meet the day-to-day rigors of the research laboratory and may be used for small scale pilot processing. The SFT-250 is simple to operate, easy to modify for evolving application needs, and features many of the performance characteristics of fully automated pilot scale systems. The SFT-250 offers the maximum flexibility and safety features of any laboratory supercritical fluid extraction instrument available in the market today. At the heart of the SFT-250 is a stainless steel vessel capable of containing supercritical fluids at pressures up to 10,000 psi (68.9 MPa). The SFT-250 accommodates pressure vessels of up to 5 liters in size. The large vessel enables the user to extract very low levels of key components from materials or process larger amounts of bulk material than would be possible with conventional, analytical scale SF equipment. Vessels are easily interchangeable and may be installed readily by the user. The SFT-250 incorporates a high performance, air driven pump which can rapidly produce the high pressures required for supercritical fluid work. Under typical operating conditions, flow rates range from 1 to 330 ml/min (250 grams/min) of liquid CO2. Conveniently located front panels allow easy access to the pressure vessel, valves, fittings, and electronics. Manually actuated valves provide long term, maintenance free performance.

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Phase Monitor

Phase Monitor II

The SFT Phase Monitor II is a powerful analytical tool for determining the solubility parameters of compounds and mixtures in subcritical and supercritical fluids. It provides direct, visual observation of materials under conditions precisely controlled by the researcher. Experiments can be performed in liquid or supercritical carbon dioxide and in other liquefied gases. Additionally, the effect of co-solvents on the solubility of compounds in supercritical carbon dioxide can be investigated with this instrument. It allows the end user to view dissolution, precipitation, and crystallization of compounds over a wide range of pressures and temperatures. Experiments may be performed from a few hundred psi to 10,000 psi (68.9MPa) and from ambient temperature to 150° Celsius. The Phase Monitor II is extremely useful for determining the critical point of binary, tertiary, and complex mixtures. The changes in phase behavior as a function of temperature, pressure, and sample concentration can be investigated rapidly, saving time in the scale-up of supercritical fluid processes. The phase monitor can be utilized to determine the processing conditions in which each compound in a homologous mixture solubilizes and/or precipitates. This data is useful for determining processing conditions for selective extraction, reaction, and/or fractionation of compounds of interest. Additionally, supercritical “anti-solvent” applications are possible. The Phase Monitor II is useful for other supercritical fluid processing operations, such as crystallizations and reactions. For example, the Phase Monitor can be utilized to determine the solubility of reactants and products so that the conditions for running supercritical reactions can be determined. It is possible to perform small-scale batch reactions within the Phase Monitor II. Other useful applications for the Phase Monitor II include determining the cloud point of polymers and the degree of polymer swelling in carbon dioxide and other liquefied gases. More sophisticated applications include the determination of processing conditions for impregnating materials into swollen polymers and surface deposition experiments.

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