NANOVisK
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Q.
What is the highest level of viscosity?
- We confirm that emulsification is possible even with ten-million cP (10,000 Pa・s) without problems. Structurally, you can design even with a high viscosity.
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Q.
How is fluid discharge processed?
- The nozzle is away from the center of the vessel because the vessel bottom is convex. The small size of the machine also allows the mechanism to discharge and wash by reversing the vessel.
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Q.
Is the impeller shape fixed? What is the shape of the impeller at the bottom?
- The shape of the high shear impeller installed at the boom varies depending on viscosity conditions. The blade-type dissolver is used for high viscosity, and the rotor-stator type for low viscosity. The gate impeller shown in the figure is designed assuming a highly viscous liquid with viscosity of hundreds of thousands of cP or more. For such a high viscosity, it is necessary to mix a small quantity of emulsifier in the highly viscous liquid. For low viscosity, we change the shape of the impeller at the top.
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Q.
What is the minimum droplet diameter?
- The diameter varies depending on the target liquid and emulsification conditions. We confirm that refinement is possible by several hundreds of nanometers.
