Question $1$

Marks $30$

The Activated Sludge Process $($ASP$)$ is the biological process by which non$-$settleable dissolved and colloidal substances in Waste Water $($WW$)$ are converted into settleable sludge, which is removed from the liquid carrier $($water$).$ The average operational values of a typical ASP are as shown in Table Q$1.$

Table Q$1$

$\backslash$table$[[$Wastewater flow rate $,$ Q$,7570\frac{m}{d}$