Controlling the settling of activated sludge in pulp and paper wastewater treatment plants

Filamentous bulking and floc formation often adversely affect the treatment of forest industry wastewaters. The effects of addition of a fine, talc-based powder, Aquatal, to the aeration tanks of wastewater treatment plants of pulp and paper mills were evaluated in 2 case studies. Two strategies wer...

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Veröffentlicht in:	Water science and technology 1999, Vol.40 (11-12), p.223-229
Hauptverfasser:	CLAUSS, F, BALAVOINE, C, HELAINE, D, MARTIN, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Activated sludge Additives Aeration Aeration tanks Aggregation Applied sciences Biological and medical sciences Biological treatment of waters Biotechnology Case studies Chemical interactions Dewatering Diseases Dosage Environment and pollution Exact sciences and technology Factories Forest products industry Forestry wastes Forests Fundamental and applied biological sciences. Psychology Hydraulic loading Industrial applications and implications. Economical aspects Industrial plants Industrial wastewaters Interactions Maintenance Organic loading Pollution Powder Pulp Pulp & paper industry Settling rate Settling velocity Sludge Sludge settling Sludge thickening Sludge volume index Suspended particulate matter Suspended solids Talc Tanks Thickening Wastewater Wastewater treatment Wastewater treatment plants Wastewaters Water treatment and pollution Water treatment plants
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