Hydrodynamic cavitation crystallization process
AssigneeFive Star Technologies, Inc.
InventorOleg V. Kozyuk
Life of this patent
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Abstract
A device and process for crystallizing a compound using hydrodynamic cavitation comprising the steps of mixing at least one stream of a solution of such compound to be crystallized with at least one stream of an anti-solvent and passing the mixed streams at an elevated pressure through a local constriction of flow to create hydrodynamic cavitation thereby causing nucleation and the direct production of crystals.
Claims20
A process for crystallizing a compound using hydrodynamic cavitation comprising the steps of:
- mixing at least one stream of a solution of such compound to be crystallized with at least one stream of an anti-solvent;
- and
- passing the mixed streams at an elevated pressure through a local constriction of flow to create hydrodynamic cavitation thereby causing nucleation and the direct production of crystals.
A method to effect nucleation in a crystallization process, comprising:
- flowing a stream of at least one feed solution and a stream of at least one anti-solvent into a hydrodynamic cavitation crystallization device and mixing the feed solution and anti-solvent in the device to produce mixed streams;
- passing the mixed streams through a local constriction of flow in the device, thereby producing cavitation bubbles downstream from the local constriction of flow;
- and
- collapsing the cavitation bubbles in an elevated static pressure zone, thereby temperature effecting nucleation and producing crystals.
A process for producing crystals from a compound, comprising:
- flowing a first fluid into a local constriction of flow in a device capable of producing hydrodynamic cavitation;
- introducing a second fluid into the local constriction of flow to produce a mixture of the first fluid and the second fluid;
- producing a hydrodynamic cavitation field downstream of the local constriction of flow and cavitation bubbles in the mixture;
- collapsing the cavitation bubbles in an elevated static pressure zone, thereby effecting nucleation and producing crystals from the compound;
- and
- isolating the crystals.
Dependencies are inferred from the claim text.