Thickener Sedimentation Area Calculator

Calculate gravity thickener surface area ($A$), unit area ($UA$), underflow solids concentration, and surface overflow rate (SOR) via Talmage-Fitch.

Dry Solids Feed Q_s (t/day):

Feed Solids Conc. C_0 (% wt):

Target Underflow C_u (% wt): High-rate: 55% - 65%

Initial Hindered Settling V_0 (m/h): With flocculant aid

Underflow Time t_u (h): Talmage-Fitch intercept

Safety Factor:

Solid Density (t/m³):

Thickener Diameter (D)

Unit Area (UA)

Overflow Rate SOR

Water Recovered

Thickener Class

Sedimentation & Clarification Diagnosis

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