Compositions for low-temperature distillation of high-boiling-point molecules
AssigneeNatural Extraction Systems, LLC
InventorC. Russell Thomas
Life of this patent
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Abstract
Various aspects of this disclosure relate to a composition, comprising a gas phase and a condensed phase, wherein the gas phase comprises a molecule; the condensed phase comprises the molecule; the gas phase has a temperature and a pressure; the molecule has a boiling point at the pressure of the gas phase; the boiling point of the molecule is less than the temperature of the gas phase; the molecule has a vapor pressure at the temperature of the gas phase; the vapor pressure of the molecule is less than the pressure of the gas phase; the condensed phase consists of one or both of a solid phase and a liquid phase; the condensed phase is suspended in the gas phase; and the condensed phase has a surface-area-to-volume ratio of at least 500 per meter.
Claims32
A composition, comprising a gas phase and a condensed phase, wherein:
- the gas phase comprises a molecule;
- the molecule is coumarin;
- the condensed phase comprises the molecule;
- the gas phase has a temperature and a pressure;
- the temperature of the gas phase is at least 25 degrees Celsius and no greater than 250 degrees Celsius;
- the pressure of the gas phase is at least 0.5 atmospheres and no greater than 2 atmospheres;
- the molecule has a boiling point at the pressure of the gas phase;
- the boiling point of the molecule is greater than the temperature of the gas phase;
- the molecule has a vapor pressure at the temperature of the gas phase;
- the vapor pressure of the molecule is less than the pressure of the gas phase;
- the condensed phase consists of one or both of a solid phase and a liquid phase;
- the condensed phase is suspended in the gas phase;
- and
- the condensed phase has a surface-area-to-volume ratio of at least 500 per meter.
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A method to separate a molecule from an impurity, comprising:
- providing a composition comprising the molecule and the impurity, wherein the molecule is present in the composition in a solid phase or a liquid phase, and the impurity is present in the composition in a solid phase or a liquid phase;
- converting the molecule into a vaporized molecule in a gas phase, wherein the gas phase has a pressure and a temperature, the molecule has a boiling point at the pressure and a vapor pressure at the temperature, the pressure of the gas phase is greater than the vapor pressure of the molecule, the boiling point of the molecule is greater than the temperature of the gas phase, and either the impurity lacks a vapor pressure or the impurity has a vapor pressure at the temperature that is less than the vapor pressure of the molecule at the temperature;
- separating the vaporized molecule from the impurity;
- and
- condensing the vaporized molecule into a condensed molecule.
Dependencies are inferred from the claim text.