Abstract:
A device and process (10) for crystallizing a compound using hydrodynamic cavitation comprising the steps of mixing at least one stream of a feed solution of such compound to be crystallized with at least one stream of an anti-solvent in a nucleating section via collision of the feed solution and the anti-solvent (11), passing the mixed streams at an elevated pressure through at least one local constriction of flow to create hydrodynamic cavitation thereby causing nucleation and the production of seed crystals, passing the fluid stream containing the seed crystals through an intermediate section (12) to a crystal growth section, passing the fluid stream containing the seed crystals through the crystal growth (13) section at an elevated pressure through at least one local constriction of flow to create hydrodynamic cavitation thereby causing further crystallization of the compound contained in the solution.
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.
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.
Abstract:
Processes and systems associated with hydrodynamic cavitation-catalyzed oxidation of sulfur-containing substances in a fluid are described. In one example method, cavitation bubbles are produced in a mixture of a carbonaceous fluid and one or more oxidants by hydrodynamic cavitation. Collapse of the cavitation bubbles may catalyze or partially catalyze oxidation of the sulfur-containing substances. The sulfur-containing substances may be removed (575) from the mixture based, at least in part, on their oxidized state. An example system includes a device (500) configured to mix a carbonaceous fluid (515) and one or more oxidants (525), at least one cavitation chamber (545) configured to produce cavitation bubbles in the mixture, and at least one elevated pressure zone configured to collapse the cavitation bubbles, thereby catalyzing oxidation of the sulfur- containing substances.
Abstract:
Devices for mixing and/or reacting combinations of one or more liquids, gases or solids is provided. The device can generally have at least one cavity into which a fluid flows by way of a tangential orifice, thereby forming cavitation bubbles. The cavity is configured to alternate between a closed position, where pressure increases in the fluid and the cavitation bubbles collapse, and an open position, where the fluid exits the cavity. Also provided are methods for mixing and/or reacting fluids. Also provided are mixture and reaction products made using the methods
Abstract:
Methods and devices for mixing fluids are described. One exemplary method includes producing hollow cylinders of fluid, flowing the cylinders toward one another along the surface of a cylinder, and colliding the cylinders head-on to produce a radial outflow of fluid and cavitation bubbles.
Abstract:
A system and method for heat treating a homogenized fluid product, the method comprising the steps of feeding a stream (A) of fluid product ingredients through a local constriction of flow (240, 335, 440) to effectuate high shear mixing of the fluid product ingredients in a high shear mixing zone (245, 340, 435) downstream from the local constriction of flow (240, 335, 440) and thereby form a homogenized fluid product (B) at a first temperature and introducing a sufficient amount of the homogenized fluid product (C) at a second temperature, which is less than the first temperature, into the high shear mixing zone (245, 340, 435) to effectuate mixing of the homogenized fluid product (B) at the first temperature with the homogenized fluid product (C) at the second temperature to thereby heat treat the homogenized fluid product.
Abstract:
A device (10) and method of generating microbubbles in a liquid by feeding the liquid and gas through a flow-through channel (25) at respective flow rates and passing the liquid and gas through at least two local constrictions (85, 95) of flow to create hydrodynamic cavitation fields (80, 90) downstream from each local constriction (85,95) of flow to thereby generate microbubbles.