Gas-liquid separator
a technology of separator and gas liquid, which is applied in the direction of liquid degasification, separation process, instruments, etc., can solve the problems of large vessel size, inability to realize large scaled automated fractionation, and inability to collect mobile phase of chromatographically separated substances in open vessels, etc., to reduce the complexity and cost of technical equipment, reduce the degree of cross contamination of samples, and reduce the degree of peak broadening of chromatograms
Inactive Publication Date: 2017-08-10
BOZIC ALEXANDER
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Benefits of technology
The patent text describes a device called a gas-liquid separator that helps to separate gas from liquid in an aerosol. The device has a long cylindrical part and a flow channel that creates a well-defined flow of the aerosol towards the edge of the device. This helps to improve the separation of gas and liquid. The gas-liquid separator reduces the cost and complexity of the equipment needed for SFC analysis.
Problems solved by technology
In practical applications, SFC-technology comes along with the disadvantage, that a mobile phase of chromatographically separated substances cannot be easily collected in opened vessels.
Such comparatively large vessels are not optimal in terms of self-cleaning effects and may therefore provide cross contamination of aerosols and substances being sequentially processed by such separators.
But impact separators operating at a raised pressure level do not allow to realize a large scaled automated fractionation.
Hence, operating expenses and costs are comparatively high since only a limited amount of test tubes can be automatically processed in the pressurized area.
Moreover, the rate of separation is not as good as with impact separators operating at atmospheric pressure.
Method used
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[0085]In FIG. 1 the gas-liquid separator 10 is shown in a longitudinal cross-section. The gas-liquid separator 10 comprises a substantially cylindrical chamber 12 having a sidewall 14 and extending in axial direction (z). Towards an upper or proximal end, the chamber 12 is closed by means of a head section 44 having a lid 48, which may be provided as a knurled nut. The head section 44 receives the tubular-shaped chamber 12 and is sealed with regard to the chamber 12 with an annular seal 52.
[0086]The head section 44 is intersected by an inlet duct 30, which extends into a plurality of radially outwardly directed inlets 32. As shown in cross-section according to FIG. 2 the axially extending inlet duct 30 splits into four radially outwardly directed inlets 32 by way of which the provided aerosol can be spread against an inward facing portion of the side wall 14. As further shown in FIG. 1, a holder 28 intersects the head section 44 and a respective passage through the head section 44 i...
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A gas-liquid separator is provided having a chamber extending in an axial direction (z) and having at least a flow chamber portion extending into a collecting chamber portion. A deflector is arranged in the flow chamber portion and the deflector has a deflector panel extending radially outwardly (r) and in axial direction (z) to form a narrowing flow channel between the deflector and a side wall of the chamber, wherein the deflector panel has a free edge. There is at least one gas outlet shielded by the deflector panel and being arranged axially offset from the free edge.
Description
CROSS REFERENCE TO RELATED APPLICATIONS[0001]The present application is a continuation of U.S. patent application Ser. No. 14 / 414,740, filed Jan. 14, 2015, which is a U.S. National Phase Application pursuant to 35 U.S.C. §371 of International Application No. PCT / EP2013 / 065067 filed Jul. 17, 2013, which claims priority to European Patent Application No. 12176869.1 filed Jul. 18, 2012. The entire disclosure contents of these applications are herewith incorporated by reference into the present application.TECHNICAL FIELD[0002]The present invention relates to the field of gas-liquid separation. In particular, the invention focuses on gas-liquid separation for chromatography applications, in particular for separation of solvent mixtures used in high-performance liquid chromatography (HPLC), especially in super critical fluid chromatography (SFC). In an aspect, the invention relates to the separation of carbon dioxide (CO2) and a co-solvent, such as ethanol or methanol.BACKGROUND[0003]Sup...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B01D45/08G01N30/38B01D15/16B04C3/06B01D45/16B01D15/40
CPCB01D45/08B01D45/16B01D15/40G01N2030/027B04C3/06G01N30/38B04C2003/006B01D15/166B01D15/10B01D19/0042B01D19/0057B01D45/12B01D46/0005B01D46/2411B01D50/20
Inventor BOZIC, ALEXANDER
Owner BOZIC ALEXANDER