Activated Sludge Process Modification Studyby Hraj A. Khararjian, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Memphis State Univ., Memphis, Tenn.,
Joseph H. Sherrard, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Virginia Polytechnic Inst. and State Univ., Blacksburg, Va.,
Serial Information: Journal of the Environmental Engineering Division, 1979, Vol. 105, Issue 2, Pg. 189-198
Document Type: Journal Paper
Abstract: A laboratory study was conducted with a colloidal wastewater that was fed to model completely mixed and contact stabilization units. The units were operated at steady-state conditions at several mean cell residence time values. Using mean cell residence time as a basis for comparison it was determined that the cell yield coefficient and microorganism decay coefficient were similar for the two systems and that waste treatment efficiency was also similar. From these results it was determined there is no difference in the kinetics or operational performance between these two modifications to the activated sludge process.
Subject Headings: Laboratory tests | Model analysis | Residence time | Waste treatment | Activated sludge | Colloids | Wastewater management | Steady states |
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