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Applied Separations Supercritical Fluid Extraction (SFE)

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Overview

Applied Separations Supercritical Fluid Extraction technologies
The company has 30 years experience in SCF technologies and offers a wide range of systems, from laboratory instruments to pilot plants to large scale production facilities.

The Applied Separations Spe-ed supercritical fluid (SCF) product line features:

Educational systems
Laboratory systems
Pilot scale process systems
Large scale production systems

Spe-ed Helix laboratory supercritical fluid process development systems
The Helix has been specially engineered by Applied Separations for maximum flexibility. The modular Helix is optimized, so the system can easily be modified for changing process development needs.

Applied Separations Spe-ed SFE-2 and Spe-ed SFE-4 analytical and research systems
The Spe-ed SFE-2 and the Spe-ed SFE-4 are, respectively, 2-vessel and 4-vessel simultaneous oven-based extraction systems.

Applied Separations Spe-ed SFE-15000 higher pressure oven-based extraction system
The system has been designed with special high pressure components to reliably provide rugged service, and increased solubility of many compounds.

Spe-ed SFE-Prime for supercritical fluids education
Spe-ed SFE-Prime is the only teaching tool for environmentally friendly supercritical fluids technologies.

Large scale SFE systems
Applied Separations offers custom pilot plant/small production and large scale production SFE systems.

Supercritical Fluid Extraction (SFE)
SFE uses supercritical CO2, instead of organic solvents such as hexane and methylene chloride, to extract chemical compounds from a solid matrix (sometimes also from liquids). Near the critical point the density of a SCF is extremely sensitive to minor changes in temperature and pressure. Since the solvating power of a SCF is directly related to its density, selective extraction of the analyte of interest can be achieved by making slight changes in temperature and pressure and exploiting the differential solubility of analytes in the SCF. On the other hand, due to the higher diffusion coefficients in supercritical fluids, SFE is faster than liquid extraction. SFE is also a more efficient extraction method since the lower surface tension of supercritical fluids allows penetration into small pores of the solid matrix which are not accessible to liquids.

Articles

Supercritical Fluid Extraction (SFE)
SFE uses supercritical CO2, instead of organic solvents such as hexane and methylene chloride, to extract chemical compounds from a solid matrix (sometimes also from liquids). Near the critical point the density of a SCF is extremely sensitive to minor changes in temperature and pressure. Since the solvating power of a SCF is directly related to its density, selective extraction of the analyte of interest can be achieved by making slight changes in temperature and pressure and exploiting the differential solubility of analytes in the SCF. On the other hand, due to the higher diffusion coefficients in supercritical fluids, SFE is faster than liquid extraction. SFE is also a more efficient extraction method since the lower surface tension of supercritical fluids allows penetration into small pores of the solid matrix which are not accessible to liquids.

Application notes

Extraction of PAHs from soil using supercritical fluids
The analytes in this application were naphthalene, acenaphthene, phenanthrene, anthracene and benzo(bk)flouranthene.

Download Application note, Extraction of total petroleum hydrocarbons (TPH) from soil using supercritical fluids.pdf (450.6 KB)

Extraction of total petroleum hydrocarbons (TPH) from soil using supercritical fluids

Date of creation:

10 April 2018

Library code:

11822

Download Application note, Extraction of drugs and other chemical residues from tissues using SPE trapping techniques.pdf (398.88 KB)

Extraction of drugs and other chemical residues from tissues using SPE trapping techniques

Date of creation:

19 April 2018

Library code:

11834

Download Application note, Extraction of β-agonists from bovine liver tissue.pdf (446.9 KB)

Extraction of β-agonists from bovine liver tissue

Date of creation:

19 April 2018

Library code:

11835

Download Application note, Extraction of sulfonamides from chicken liver using supercritical fluoroform (CHF3).pdf (445.96 KB)

Extraction of sulfonamides from chicken liver using supercritical fluoroform (CHF3)

Date of creation:

5 May 2018

Library code:

11878

Download Application note, Determination of steroids in animal tissues by supercritical fluid extraction and inline trapping.pdf (495.54 KB)

Determination of steroids in animal tissues by supercritical fluid extraction and inline trapping

Date of creation:

16 May 2018

Library code:

11953

Download Application note, Selective extraction of fatty acids and carotenoids from microalgae using supercritical carbon dioxide.pdf (447.95 KB)

Selective extraction of fatty acids and carotenoids from microalgae using supercritical carbon dioxide

Date of creation:

16 May 2018

Library code:

11951

Download Application note, Supercritical Fluid Extration of coffee beans.pdf (486.61 KB)

Supercritical Fluid Extration of coffee beans

Date of creation:

25 April 2017

Library code:

10853

Download Application note, Supercritical Fluid Extraction (SFE) of fats and oils in seeds.pdf (690.15 KB)

Supercritical Fluid Extraction of fats and oils in seeds

Date of creation:

24 April 2017

Library code:

10852

Download Application note, Determination of additives in rubber hose using Supercritical Fluid Extraction.pdf (331.67 KB)

Determination of additives in rubber hose using Supercritical Fluid Extraction

Date of creation:

22 April 2017

Library code:

10848

Literature

Spe-ed Helix laboratory supercritical fluid process development systems
The Helix has been specially engineered by Applied Separations for maximum flexibility. The modular Helix is optimized, so the system can easily be modified for changing process development needs.

Download Brochure, Applied Separations Spe-ed Supercritical Fluid (SCF) product line.pdf (874.76 KB)

Applied Separations Spe-ed supercritical fluid (SCF) product line

Date of creation:

4 November 2015

Library code:

10388

Download Brochure, Applied Separations Spe-ed SFE 2 and SFE-4 Supercritical Fluid systems.pdf (614.32 KB)

Applied Separations Spe-ed SFE-2 and Spe-ed SFE-4 analytical and research systems

Date of creation:

3 November 2015

Library code:

10385

Download Brochure, Applied Separations Spe-ed SFE-15000 higher pressure supercritical fluid extraction system.pdf (215.75 KB)

Applied Separations Spe-ed SFE-15000 higher pressure oven-based extraction system

Date of creation:

3 November 2015

Library code:

10386

Download Brochure, Applied Separations Spe-ed SFE Prime Supercritical Fluid systems.pdf (534.42 KB)

Spe-ed SFE-Prime for supercritical fluids education

Date of creation:

2 November 2015

Library code:

10384

Download Brochure, Applied Separations Spe-ed SFE pilot and production scale systems.pdf (1.56 MB)

Applied Separations SFE pilot and production scale systems

Date of creation:

4 November 2015

Library code:

10389