Problem

Design a pretreatment lime stabilization system for Pseudopolis. The daily sludge flow r...

Design a pretreatment lime stabilization system for Pseudopolis. The daily sludge flow rate of 216 m3 is to be treated in one batch. Half of the sludge volume is primary sludge with a solids concentration of 4.3% and a specific gravity of 1.02. The other half of the volume is WAS with a solids concentration of 1.3% and a specific gravity of 1.005. Determine the volume of tank, mixer size (kW, rpm, turbine dia.), lime feed rate, and lime storage volume for two-week delivery.

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Solutions For Problems in Chapter 20