Removal Of Particulate COD By Bioflocculation In The Activated Sludge
Process
Author(s)
E. La Motta, J. Jiménez, D. Parker & K. McManis
Abstract
Removal of particulate COD by bioflocculation in
the activated sludge process
E. La ~ o t t a ' , J. ~irnknez~, D. ~arke3 & K. McManisl
'~epartment of Civil and Environmental Engineering
University of New Orleans, New Orleans, LA USA.
'~rown and Caldwell, Inc., Walnut Creek, CA USA
Abstract
Most of the activated sludge models developed for the substrate removal kinetics
have commonly assumed that the organic matter is dissolved, and do not include an
identification of the fraction of the total COD (TCOD) that is truly dissolved
(DCOD), nor the fraction that is particulate COD (PCOD). Recognizing that not all
the COD in wastewater is dissolved, recent research efforts have concentrated on
modeling the hydrolysis of particulate organic matter once it is trapped in the
biological floc particles. However, little effort has been made in identifying how the
particulate matter is actually removed form the liquid phase.
Research performed at the University of New Orleans experimental station at
Marrer
Keywords
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