What is the optimal solution for high solid content slurry dispersion? Stabilization methods through inline processing.
In the dispersion of high solid content slurries, viscosity increases and fluidity decreases, making it prone to poor dispersion and variability. The movement of particles is restricted, making it difficult for aggregates to break apart, and it is not uncommon for undispersed areas to remain.
Additionally, poor wetting during powder addition and the formation of localized high concentration areas can lead to the occurrence of clumps, which is another challenge. These issues may not be completely resolved even with strong shear applied in subsequent processes.
What is important under such high solid content conditions is to efficiently transmit dispersion energy and standardize the processing conditions for each particle. However, in batch processing, variations in flow and residence time can lead to differences in the dispersion state.
On the other hand, in inline continuous processing, uniform shear can be applied to particles within the flow, allowing for efficient transmission of dispersion energy even under high viscosity and high solid content conditions. This results in a uniform dispersion state for each particle, achieving stable quality.
In the dispersion of high solid content slurries, it is crucial not only to apply strong shear but also to design the process considering flow and processing conditions. Inline processing is one effective method to address these challenges.

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In high solid content slurries, poor dispersion is likely to occur due to an increase in viscosity. This explains the mechanism and countermeasures.






