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HEWi Tube Lamella Applications and Design

 

Water & Waste water application

Most engineers use Hazen’s law as design approach for the settling efficiency.

Hazen’s law links the sett ling velocity [VS] of the target particle with the fl ow rate [Q] and the installed vertical projected surface [AP].

The Hazen-velocity ( VH = Q/AP ) is the most important design parameter.

Particles with a settling velocity that is equal or faster than the Hazen-velocity will be removed

Typical design hazen velocity

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