A PST 15 m long, 6 m wide and 3 m deep treats water for a...

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A PST 15 m long, 6 m wide and 3 m deep treats water for a town with a population of 20,000 supplied with 100 lped. The raw water sample indicated suspended solids conc. as 60 ppm. The PST worked with efficiency of 70% SS removal and the average specific gravity of the deposit in PST was 2-6. Compute Detention Time Horizontal Velocity (i) (ii) (iii) Rate of dry solids deposited (iv) Overflow rate A PST 15 m long, 6 m wide and 3 m deep treats water for a town with a population of 20,000 supplied with 100 lped. The raw water sample indicated suspended solids conc. as 60 ppm. The PST worked with efficiency of 70% SS removal and the average specific gravity of the deposit in PST was 2-6. Compute Detention Time Horizontal Velocity (i) (ii) (iii) Rate of dry solids deposited (iv) Overflow rate