CPC B01D 9/0045 (2013.01) [B01D 9/0036 (2013.01); B01D 2009/0086 (2013.01)] | 7 Claims |
1. A method of purifying crystals using solvent vapor through dynamic equilibrium, comprising:
providing a vessel containing a liquefied gas solvent, and an impure crystalline starting material;
heating the vessel to apply pressure to the contents of the vessel; and
reclaiming solvent from the vessel while leaving crystals and impurities in the vessel.
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