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

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

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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