Computer Design of CMAS Systemsby Daniel W. Smith, (A.M.ASCE), Grad. Student; The Univ. of Kansas, Lawrence, KS,
Serial Information: Journal of the Sanitary Engineering Division, 1970, Vol. 96, Issue 4, Pg. 977-990
Document Type: Journal Paper
The procedure followed is to first select a sludge age and aeration tank size and then solve the complete mixing activated sludge (CMAS) equations for each set of input data. The aeration tank size and sludge age values are incremented the desired number of times and amount with the calculations repeated each time. The cost of the secondary system is determined once for each aeration tank size and stored by the computer. The average unit BOD5 removal cost and average unit suspended solids removal cost are determined for each tank size. At each sludge age the aeration tank with the lowest unit BOD5 removal cost meeting the operational limits is selected. At the option of the designer all or part of the information is printed.
Subject Headings: Computing in civil engineering | Wastewater treatment | Aeration | Turbidity | Soil mixing | Activated sludge | Solid mechanics
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