Apparatus and method for supercritical fluid extraction

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

96106, 210 97, 210175, 2101982, 210511, 210744, 422 63, 422 69, B01D 1100, B01D 1712

Patent

active

056908288

ABSTRACT:
To supply supercritical fluid to an automatic supercritical fluid extractor and collect extract from the extractor, sample holding cartridges are lifted one by one in series by an elevator plug into a pressure chamber. An inlet at the top of the cartridge engages a pressure vessel inlet for the extractant so that extractant flows into the cartridge and into the space between the cartridge and inner walls of the pressure chamber. The outlets from the cartridge and pressure vessel communicate with the collector and exhaust through passageways in the plug. The plug has cleaning ports for cleaning seals and the outlet from the cartridge flows past the seals. The collector lifts vials into place and can precool the collection solvent, and later as part of the collection procedure, heat and pressurize the collector.

REFERENCES:
patent: 524702 (1894-08-01), Browning
patent: 2427042 (1947-09-01), Bowman
patent: 2507851 (1950-05-01), Bryant et al.
patent: 3198948 (1965-08-01), Olson
patent: 3257561 (1966-06-01), Packard et al.
patent: 3872723 (1975-03-01), Busch
patent: 4032445 (1977-06-01), Munk
patent: 4064908 (1977-12-01), Loe
patent: 4217931 (1980-08-01), Jaekel
patent: 4225290 (1980-09-01), Allington et al.
patent: 4265860 (1981-05-01), Jennings et al.
patent: 4335620 (1982-06-01), Adams
patent: 4375163 (1983-03-01), Yang
patent: 4476732 (1984-10-01), Yang
patent: 4477266 (1984-10-01), Yang
patent: 4483773 (1984-11-01), Yang
patent: 4564145 (1986-01-01), Takada et al.
patent: 4597943 (1986-07-01), Sugiyama et al.
patent: 4676897 (1987-06-01), Kuze et al.
patent: 4705459 (1987-11-01), Buisine et al.
patent: 4711764 (1987-12-01), Good
patent: 4770780 (1988-09-01), Moses
patent: 4820129 (1989-04-01), Magnussen
patent: 4851683 (1989-07-01), Yang
patent: 4913624 (1990-04-01), Seki
patent: 4915591 (1990-04-01), Funke
patent: 4984602 (1991-01-01), Saito et al.
patent: 5013443 (1991-05-01), Higashidate et al.
patent: 5075017 (1991-12-01), Hossain et al.
patent: 5087360 (1992-02-01), Wright et al.
patent: 5094741 (1992-03-01), Frank et al.
patent: 5133859 (1992-07-01), Frank et al.
patent: 5147538 (1992-09-01), Wright et al.
patent: 5151178 (1992-09-01), Nickerson et al.
patent: 5164693 (1992-11-01), Yokoyama et al.
patent: 5173188 (1992-12-01), Winter et al.
patent: 5178767 (1993-01-01), Nickerson et al.
patent: 5180487 (1993-01-01), Saito et al.
patent: 5198197 (1993-03-01), Clay et al.
patent: 5205987 (1993-04-01), Ashraf-Khorassani et al.
patent: 5240603 (1993-08-01), Frank et al.
patent: 5253981 (1993-10-01), Yang
patent: 5271903 (1993-12-01), Durst et al.
patent: 5322626 (1994-06-01), Frank et al.
Wright, B.W., et al., 1987, "Analytical Supercritical Fluid Extraction of Adsorbent Materials", Anal. Chem., 59:38-44.
Sugiyama, K., et al., 1985, "New Double-Stage Separation Analysis Method: Directly Coupled Laboratory-Scale Supercritical Fluid Extraction-Supercritical Chromatography, Monitored With A Multiwavelength Ultraviolent Detector", J. Chromatog., 332:107-116.
Hawthorne, S.B., et al., 1986, "Extraction and Recovery of Organic Pollutants from Environmental Solids and Tenax-GC Using Supercritical CO.sub.2 ", J. Chromatog. Science, 24:258-264.
Hawthorne, S.B., et al., 1987, "Extraction and Recovery of Polycyclic Aromatic Hydrocarbons from Environmental Solids Using Supercritical Fluids", Anal. Chem., 59:1705-1708.
Schantz, M.M., et al., 1986, "Supercritical Fluid Extraction Procedure for the Removal of Trace Organic Species from Solid Samples", J. Chromatogr., 363:397-401.
Wright, B.W., et al., 1989, "Supercritical Fluid Extraction of Coal Tar Contaminated Soil Samples", Energy & Feuls, 3:474-480.
Lee, M.L., et al., 1979, "Retention Indices for Programmed-Temperature Capillary-Column Gas Chromatography of Polycyclic Aromatic Hydrocarbons", Anal. Chem., 51(6):768-774.
Vassilaros, D.L., et al., 1982, "Linear Retention Index System For Polycyclic Aromatic Compounds", J. Chromatogr., 252:1-20.
Czubryt, J.J., et al., 1970, "Solubility Phenomna in Dense Carbon Dioxide Gas in the Range 270-1900 Atmospheres", J. Phys. Chem., 74(24):4260-4266.
Wise, S.A., et al., 1988, "Determination of Polycyclic Aromatic Hydrocarbons in a Coal Tar Standard Reference Material", Anal. Chem., 60:887-894.
Villaume, J.F., 1984, "Coal Tar Wastes: Their Environmental Fate and Effects", Hazardous and Toxic Wastes: Technology, Management, and Health Effects, Chapter 25, S.K. Majumdar and E.W. Miller, Eds., pp. 362-375.
Maxwell, R.J., et al., 1992, "Improved SPE Recovery of Trace Analytes from Liver Using an Intergral Micormetering Valve-SPE Column Holder Assembly", J. High Resolution Chromatogr., 15:807-811.
Levy, J.M., et al., 1990, "Qualitative Supercritical Fluid Extraction Coupled to Capillary Gas Chromatography", J. High Resolution Chromatogr., 13:418-421.
Levy, J.M., et al., 1991, "The Use of Alternative Fluids in On-Line Supercritical Fluid Extraction-Capillary Gas Chromatography", J. High Resolution Chromatog., 14:661-668.
Wright, B.W., et al., 1992, "Evaluation of a Field-Portable Supercritical Fluid Extraction Apparatus for Rapid Characterization of Contaminated Soils", Waste Testing and Quality Assurance: Third Volume, D. Friedman, Eds., pp. 3-14.
Richter, B.E., 1985, "Modified Flame Ionization Detector For the Analysis of Large Molecular Weight Polar Compounds by Capillary Supercritical Fluid Chromatography", J. High Resolution Chromatogr. & Chromatogr. Communciations, 8:297-300.
Daimon, H., et al., 1991, "Directly Coupled Supercritical-Fluid Extraction/Capillary Supercritical-Fluid Chromatography of Polymer Additives", Chromatographia, 32:549-554.
Levy, J.M., et al., 1989, "Quantitative Supercritical Fluid Extraction Coupled to Capillary Gas Chromatography", Chromatographia, 28:613-616.
Nielen, M.W.F., et al., 1989, "On-line System for Supercritical Fluid Extraction and Capillary Gas Chromatography with Electron-Capture Detection", J. Chromatog., 474:388-395.
Raynor, M.W., et al., 1988, "Supercritical Fluid Extraction/Capillary Supercritical Fluid Chromatography/Fourier Transform Infrared Microspectrometry of Polycyclic Aromatic Compounds in a Coal Tar Pitch", J. High Resolution Chromatog. & Chromatog. Communications, 11:766-775.
Hawthorne, S.B., et al., 1989, "Coupled SFE-GC: A Rapid and Simple Technique for Extracting, Identifying, and Quantitating Organic Analytes from Solids and Sorbent Resins", J. Chromatog. Science, 27:347-354.
Berger, T.A., et al., 1989, "Linear Velocity Control in Capillary Supercritical Fluid Chromatography by Restrictor Temperature Programming", J. Chromatog., 465:157-167.
Lipsky, S.R., et al., 1986, "High Temperature Gas Chromatography: The Development of New Aluminum Clad Flexible Fused Silica Glass Capillary Columns Coated with Thermostable Nonpolar Phases: Part 1", J. High Resolution Chromatog. & Chromatog. Communications, 9:376-382.
Green, S., et al., 1988, "Simple Restrictors for Capillary Column Supercritical Fluid Chromatography", J. High Resolution Chromatog. & Chromatog. Communications, 11:414-415.
Raynor, M.W., et al., 1988, "Preparation of Robust Tapered Restrictors for Capillary Supercritical Fluid Chromatography", J. High Resolution Chromatog. & Chromatog. Communications, 11:289-291.
Jinno, K., et al., 1991, "Coupling of Supercritical Fluid Extraction with Chromatography", Anal. Sci., 7:361-369.
Jentoft, R.E., et al., 1972, "Apparatus for Supercritical Fluid Chromatography with Carbon Dioxide as the Mobile Phase", Anal. Chem., 44:681-686.
Campbell, R.M., et al., 1986, "Supercritical Fluid Fractionation of Petroleum-and Coal-Derived Mixtures", Anal. Chem., 58:2247-2251.
Nam, K.S., et al., 1990, "Supercritical Fluid Extraction and Cleanup Procedures for Determination of Xenobiotics in Biological Samples", Chemosphere, 20:873-880.
Campbell, R.M., et al., 1989, "Supercritical Fluid Extraction of Chlorpyrifios Methyl from Wheat as Part per Billion Levels", J. Microcolumn Separations, 1:302-308.
Onuska, F.I., et al., 1989, "Supercritical Fluid Extraction of 2,3,7,8-Tetrachlorodibenzo-p-dioxin from Sediment Samples", J. High Resolution Chromatog., 12:357-361.
Aida, T.,

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Apparatus and method for supercritical fluid extraction does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for supercritical fluid extraction, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for supercritical fluid extraction will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2103752

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.