Ref ID : 1095
Yoshihara Kazutoshi and Ueda Seinosuke; [Cooperative action of COD removal activity of dominant bacteria isolated from biofilm and activated sludge]. Hakkokogaku 63(4):297-301, 1985
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Cooperative actions of dominant bacteria (Pseudomonas sp. U52, Vibrio sp. A6, Flavobacterium sp. S78 and unidentified strain S102C) isolated from a biofilm, an activated sludge, and an acclimated sludge were investigated by measuring the COD removal activity (Abbreviated as CODr) against a synthetic waste water composed of glucose, polypepton and KH2PO4 (each 1000 mg/l hereafter abbreviated as GPK-1000). With the mixed culture consisting of two strains, CODr increased to 1.2 to 1.5 times in comparison with the single strain. In the case of the mixed culture consisting of three strains, two to three-fold CODr was recognized. The CODr of the mixed culture consisting of three strains increased about 4-fold in comparison with the acclimated sludge.