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Supercritical Fluid Technologies SFT110

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SFT110

The SFT110 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 SFT110 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 SFT110 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 SFT110 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 SFT110 well suited to both analytical scale SFE applications and basic process development work. With a 100 mL vessel, the SFT110 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 SFT110’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. 
 
The SFT110 incorporates a high performance, dual piston pump which produces the high pressures required for supercritical fluid work. The system has built-in safety precautions to prevent accidental over-temperature or overpressure conditions. As an additional safety backup, a rupture disc assembly provides mechanical protection against accidental over pressurization of the system. 
 
Manually operated valves ensure long term, maintenance free operation. 
An integrated program logic controller monitors and adjusts fluid pressure inside the extraction vessel to achieve and maintain a desired set point. 
A PID temperature controller monitors and maintains the precise fluid temperature inside the high pressure vessel. 
 
A robust, variable restrictor valve (back pressure regulator) provides precise control over flow rates, which is essential in obtaining highly reproducible results from run to run. Flow rates can range from 0.1 to 24 ml/min. (0.08 to 18 grams/ min.) of liquid CO2 under typical operating conditions. While carbon dioxide is the most commonly used solvent, the SFT110, with some modification, allows the user flexibility to work with a variety of supercritical fluids. 
 
Extract collection options include: solid phase extraction (SPE) cartridges, fractional cyclone separators, and EPA sample vials. An optional co-solvent addition module is available for the SFT110.
SFT110
Attributes
Depth 57 cm
Height 102 cm
Width 29 cm
Power Requirements (US) 110 VAC., single phase, 10 amps (International power available)
Weight 62 lbs (with a 100 mL vessel)
Additional Specifications Standard Configuration 
Temperature and Pressure Display:  
Independent LED displays. 
Temperature range:  
Ambient to 200°C. 
Temperature precision:  
+/- 0 .5°C. 
Operation Pressure:  
10,000 psi upper pressure limit (across the flow range). Front keypad control, with LED display. “Constant pressure” mode of operation. 
Flow Rates:  
0.01 – 20.00 ml/min liquid CO2 (+/- 2% accuracy). 
Flow Meter:  
0 -9.5 SLPM of Expanded Gas 
Over pressure safeguard:  
High / low pressure alarms and rupture disc assembly. 
High Pressure Pump:  
Dual aluminum heads, Furon seals and sapphire pistons, integrated thermoelectric cooling, cam-driven pump mechanism with single stepper motor dive, dual ball and seat check valves (ruby ball, sapphire seat), stainless steel fluid path, prime-purge valve, and pressure transducer. The pump’s constant pressure mode features a selectable pressure set point. Flow rate auto-adjusts to maintain pressure. 
Restrictor Valve:  
Heated up to 150°C; resistant to blockage. 
Extraction Vessel Size:  
10, 25, 50, and 100 ml options. Vessels are interchangeable. 
Collection Vessel: 
Externally mounted. Many options available. 
 
Configuration Options 
Co-solvent Addition:  
Doping module or direct, in-line metered addition. 
Interchangable Sample Vessels:  
10, 25, 50, and 100 ml (with 5 micron Fritts). 
Sample Baskets:  
S/S mesh, with lids. 
Flow Meter:  
0 -9.5 SLPM of expanded gas. 
Liquid Gas Supply:  
Liquid CO2 cylinder with dip tube.

Features

     
  • Sample Vessel Volumes from 5 ml to 100 ml 
  • Operating Pressure up to 10,000 psi (68.9 MPa) 
  • PID Control of Pressure and Temperature 
  • Integrated Fluid Preheater and Flow Meter 
  • Various Extract Collection Options 
  • Optional Co-solvent Addition Modules 

Photos

SFT-110 SFE System

SFT-110 SFE System

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SFT 110

Dear Sir, I would very much like to know an approximate price for an entry level SFT 110 system. Yours, George W Francis (Prof)

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