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You are here: Home / Explanatory Dictionary / Hydraulic Classification

Hydraulic Classification

a process in which particles pf the same specific gravity may be graded according to size by backwashing or other relative upward flow of water, with the smallest particles tending to rise to the top of the bed, and the largest particles tending to sink to the bottom, because of variations in weight to surface area ratios.

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Water Quality Specialists

Definitioner

Specific Gravity
the ratio of the weight of a specific volume of a substance compared to the weight of the same volume of pure water at 4 degrees c.
Bed
the ion exchange or filter media in a column or other tank or operational vessel.