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The competition between PAOs (phosphorus accumulating organisms) and GAOs (glycogen accumulating organisms) in EBPR (enhanced biological phosphorus removal) systems at different temperatures and the effects on system performance

U.G. Erdal; Z.K. Erdal; C.W. Randall

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Evaluation of influent prefermentation as a unit process upon biological nutrient removal

T. McCue; R. Shah; I. Vassiliev; Y.-H. Liu; F.G. Eremektar ...

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Anoxic phosphorus removal by denitrifying heterotrophic bacteria

N. Lacko; G.D. Drysdale; F. Bux

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Quantitative estimation of the role of denitrifying phosphate accumulating organisms in nutrient removal

T. Shoji; H. Satoh; T. Mino

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The ScanDeNi^® process could turn an existing under-performing activated sludge plant into an asset

B. Rosén; C. Huijbregsen

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The effect of GAOs (glycogen accumulating organisms) on anaerobic carbon requirements in full-scale Australian EBPR (enhanced biological phosphorus removal) plants

A.M. Saunders; A. Oehmen; L.L. Blackall; Z. Yuan; J. Keller

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Nitrification of high strength ammonia wastewater and nitrite accumulation characteristics

D.J. Kim; J.S. Chang; D.I. Lee; D.W. Han; I.K. Yoo ...

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Enhanced nitrogen removal in SBRs bypassing nitrate generation accomplished by multiple aerobic/anoxic phase pairs

A.N. Katsogiannis; M. Kornaros; G. Lyberatos

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Induction of denitrification in a pilot-scale trickling filter by adding nitrate at high loading rate

H. Vanhooren; D. De Pauw; P.A. Vanrolleghem

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Fuzzy-control for improved nitrogen removal and energy saving in WWT-plants with pre-denitrification

U. Meyer; H. J. Pöpel

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Use of pH as fuzzy control parameter for nitrification under different alkalinity in SBR process

Y.-Z. Peng; J.-F. Gao; S.-Y. Wang; M.-H. Sui

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Nitrification preservation in activated sludge during curative bulking chlorination

E. Cotteux; P. Duchene

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Partial nitrification in a high-load activated sludge system by biofilter backwash water recirculation

Z. Melicz

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Nutrient removal from wastewaters using high performance materials

I.D.R. Mackinnon; K. Barr; E. Miller; S. Hunter; T. Pinel

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Controlling nitrogen removal using redox and ammonium sensors

D. Cecil

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Design of nutrient removal activated sludge systems

J. Manga; J. Ferrer; A. Seco; F. Garcia-Usach

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A thermal adaptation of bacteria to cold temperatures in an enhanced biological phosphorus removal system

U.G. Erdal; Z.K. Erdal; C.W. Randall

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Nitrification in biofilters under variable load and low temperature

J.-P. Canler; J.-M. Perret; F. Lengrand; A. Iwema

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Adaptive control of the nitrate level in an activated sludge process

M. Ekman; P. Samuelsson; B. Carlsson

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Fenton's reagent and coagulation-flocculation as pretreatments of combined wastewater for reuse

A. Durán Moreno; E. González Lorenzo; C. Durán De Bazúa; J. Malpica De La Torre; R.M. Ramírez Zamora

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Nitrification and denitrification using a single biofilter packed with granular sulfur

J.-S. Kim; Y.-W. Hwang; C.-G. Kim; J.-H. Bae

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Phased upgrading for nitrogen removal - a low cost approach

D. Solley; M. Armstrong

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Molecular biological methods (DGGE) as a tool to investigate nitrification inhibition in wastewater treatment

N. Kreuzinger; A. Farnleitner; G. Wandl; R. Hornek; R. Mach

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Pre-nitrification by encapsulated nitrifiers - a possibility for self-sufficient energy operation of domestic WWTPs

M. Sievers; K.D. Vorlop; J. Hahne; M. Schlieker; S. Schäfer

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Nitrogen removal in industrial wastewater by nitration and denitration - 3 years of experience

P. Degn Pedersen; K. Jensen; P. Lyngsie; N. Henrik Johansen

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Development of a two-stage flexible fibre biofilm reactor for treatment of food processing wastewater

Q.J. Yu; H. Xu; D. Yao; P. Williams

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Bacteria reduction and nutrient removal in small wastewater treatment plants by an algal biofilm

G. Schumacher; T. Blume; I. Sekoulov

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The effect of low sludge age on wastewater fractionation (S_S, S_I)

S. Haider; K. Svardal; P.A. Vanrolleghem; H. Kroiss

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Efficiency of the Activated Sludge Model no. 3 for German wastewater on six different WWTPs

M. Wichern; M. Lübken; R. Blömer; K.-H. Rosenwinkel

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Modification of Activated Sludge Model no. 3 considering direct growth on primary substrate

Karahan-Gül Ö; M.C.M. van Loosdrecht; D. Orhon

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Polyhydroxyalkanoate form and polyphosphate regulation: keys to biological phosphorus and glycogen transformations?

A.A. Randall; Y. Chen; Y.-H. Liu; T. McCue

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The effect of organic loading rate on the aerobic granulation: the development of shear force theory

J.-H. Tay; S. Pan; S.T.L. Tay; V. Ivanov; Y. Liu

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Elevated precursor 16S rRNA levels suggest the presence of growth inhibitors in wastewater

P.G. Stroot; D.B. Oerther

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Modelling the effect of shear history on activated sludge flocculation

C. Biggs; P. Lant; M. Hounslow

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Improving titrimetric techniques by modelling pH change in activated sludge systems

S. Pratt; Z. Yuan; J. Keller

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Structure-function dynamics and modeling analysis of the micro-environment of activated sludge floc

B. Li; P. Bishop

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Dimensional analysis for establishing the testing criteria of kinetic study with respirometry

Y.-S. Wu; C.-F. Chiang; C.-J. Lu

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Effect of nitrite and nitrate on biogenic sulfide production in sewer biofilms determined by the use of microelectrodes

S. Okabe; T. Ito; H. Satoh; Y. Watanabe

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Non-filamentous sludge bulking caused by a deficiency of nitrogen in industrial wastewater treatment

Y. Peng; C. Gao; S. Wang; M. Ozaki; A. Takigawa

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Oxygen transfer into activated sludge with high MLSS concentrations

J. Krampe; K. Krauth

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Optimum aerobic volume control based on continuous in-line oxygen uptake monitoring

K. Svardal; S. Lindtner; S. Winkler

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Investigation of oxygen transfer rates in full scale membrane bioreactors

P. Cornel; M. Wagner; S. Krause

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