Yeast Plant Wastewater Treatmentby Yeun C. Wu, Asst. Prof. of Civ. Engrg.; Univ. of Pittsburgh, Pittsburgh, Pa.,
Chiao F. Kao, Prof. of Civ. Engrg.; National Cheng Kung Univ., Tainan, Taiwan,
Serial Information: Journal of the Environmental Engineering Division, 1976, Vol. 102, Issue 5, Pg. 969-984
Document Type: Journal Paper
Abstract: Treatability study of yeast plant wastewater was conducted by a two-stage activated sludge process together with the conventional single-state activated sludge system. The results of laboratory investigation showed the former process could achieve a comparatively high treatment efficiency in terms of organic and suspended solids removals. Daily sludge production was found lower in the two-stage activated sludge process because of its low cell yield coefficient coupled with high sludge decay rate. Elimination of the undesirable dark-brown color in raw and biologically treated yeast wastewater by chemical coagulation is not economically feasible due to high chemical demand and cost.
Subject Headings: Wastewater treatment plants | Activated sludge | Chemical treatment | Biological processes | Chemical wastes | Industrial wastes | Comparative studies
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