The characteristics of primary and secondary settling units of activated sludge process is given below. Design a gravity thickener for the combined mixture of sludge from both tanks. Assume the solid loading rate is 40 kg/ m?.d. The specific gravity of combined sludge is 1.02 and provide two circular thickeners. Type of sludge Primary settling unit Secondary settling unit Specific gravity (assumed) Solid % Flow rate (m'ld) 1.03 2.5 140 1.005 0.6 350

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Site Plan Requirements

A site plan (also known as a plot plan) is a diagram or process to show the proposed improvements on an existing property. A site plan is important, as it provides information regarding the landscape features of a given plot of land.  Zoning is done or can be understood with the help of a site plan.