生物膜および活性汚泥より分離した優勢細菌のCOD除去に及ぼす相乗作用 : 充てん塔式ろ床法による有機性廃水の処理(第8報)

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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, and 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 KH_2PO_4 (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 more the members of the culture were, the more cooperative actions were recognized. The CODr of the mixed culture consisting of three strains increased about 4-fold in comparison with the acclimated sludge.
1985-07-25