Determine the liquid volume before and after digestion and dewatering and the percentage of reduction for 50kg (dry basis) of primary sludge with the following characteristics:

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Solids content (%) volatile matter (%) Specific gravity of fixed solids Specific gravity of volatile solids Primary sludge 4 80 2.5 1.0 Digested and dewatered 30 60 (destroyed) 2.5 1.0 Solids content (%) volatile matter (%) Specific gravity of fixed solids Specific gravity of volatile solids Primary sludge 4 80 2.5 1.0 Digested and dewatered 30 60 (destroyed) 2.5 1.0

Answer rating: 100% (QA)

Specific gravity of the primary sludge including fixed and volatile solids is given by the formula e... View the full answer