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Characterization and modeling of activated sludge for tannery wastewater

Orhon, Derin ; Genceli, Esra Ateş ; Çokgör, Emine Ubay

Water environment research, 1999-01, Vol.71 (1), p.50-63 [Periódico revisado por pares]

Alexandria, VA: Water Environment Federation

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Título:
Characterization and modeling of activated sludge for tannery wastewater
Autor: Orhon, Derin ; Genceli, Esra Ateş ; Çokgör, Emine Ubay
Assuntos: ACTIVATED SLUDGE ; Applied sciences ; biochemical oxygen demand ; Biodegradation ; Biological and medical sciences ; Biological treatment of waters ; Biotechnology ; Chemical oxygen demand ; CHEMICAL OXYGEN DEMAND FRACTIONATION ; chemical settling ; ENDOGENOUS DECAY MODEL ; Environment and pollution ; equations ; Exact sciences and technology ; Fractionation ; Fundamental and applied biological sciences. Psychology ; Hydrolysis ; Industrial applications and implications. Economical aspects ; Industrial wastes ; Industrial wastewaters ; Kinetics ; Mathematical models ; oxygen consumption ; OXYGEN UPTAKE RATE ; Particulate matter ; Pollution ; PROCESS KINETICS ; Reaction kinetics ; Research Papers ; RESPIROMETRY ; sedimentation ; Sludge ; Stoichiometry ; Tanneries ; Tannery effluents ; tannery waste ; TANNERY WASTEWATER ; Tanning ; Wastewater ; WASTEWATER CHARACTERIZATION ; Wastewater treatment ; Wastewaters ; Water treatment and pollution
É parte de: Water environment research, 1999-01, Vol.71 (1), p.50-63
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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Descrição: A comprehensive experimental evaluation of tannery wastewater was performed as a basis for the modeling of the activated-sludge process. Characterization studies involved, aside from conventional parameters, a detailed chemical oxygen demand (COD) fractionation for the identification of biodegradable and inert COD components. Respirometric analysis was carried out to assess significant rate constants associated with the stoichiometry and kinetics of activated sludge. Specific emphasis was placed on the evaluation of the hydrolysis mechanism for slowly biodegradable COD, apparently the rate-limiting step for organic carbon removal. Parallel experiments were run both on plain and chemically settled samples to investigate the effect of chemical settling on biological treatability. The fate and variation of primary process components affecting effluent quality with the sludge age were evaluated by means of model simulations using recent multicomponent modeling tools and generated experimental data.
Editor: Alexandria, VA: Water Environment Federation
Idioma: Inglês

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Characterization and modeling of activated sludge for tannery wastewater

Orhon, Derin ; Genceli, Esra Ateş ; Çokgör, Emine Ubay

Alexandria, VA: Water Environment Federation

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