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how does viscosity impact filtration

Viscosity plays an important role in filtration because it impacts the speed at which the fluid can be pushed through a filter to remove contaminants.

viscous liquid filtration


What is viscosity?

Viscosity is the measure of the resistance of a fluid to flow.
A fluid that is highly viscous has a high resistance (like having more friction) and flows slower than a low-viscosity fluid. To think of viscosity in everyday terms, the easier a fluid moves, the lower the viscosity.

How does viscosity impact filtration?

As fluid viscosity increases, the flow rate that is pumped through a filter must be decreased. This is because higher-viscosity fluids have a higher resistance to flow resulting in a higher pressure drop and shorter filter life. Selecting a filter with a larger micron size will help decrease the pressure drop since there will be less resistance moving through the filter.


What are the highly viscous liquids that need to be filtered?

Coatings, glues, silicone, effect paint, chocolate, PVC slurry, dough, starch, and surimi paste.

What filter is suitable for high-viscosity liquid filtration?

A: Scraper self-cleaning filters. The particles and impurities on the inner and outer surfaces of the filter screen are automatically removed by mechanical scraping, which can continuously filter online.

We provide various types of the stainless steel filter housing. Contact us to get a free quote!

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