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Multi-scale modelling of bioreactor-separator system for wastewater treatment with two-dimensional activated sludge floc dynamics \ Water research : the journal of the International Association on Water Quality [Artikel]
Ofiteru, I.D. \ Bellucci, M. \ Picioreanu, C. \ Lavric, V. \ Curtis, T.P. \ 2014
A simple "first generation" multi-scale computational model of the formation of activated sludge flocs at micro-scale and reactor performance at macro-scale is proposed. The model couples mass balances for substrates and biomass at reactor scale with ...
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Respirometric measurement of kinetic parameters: effect of activated sludge floc size \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Chu, K.H. \ Veldhuizen, H.M. van \ Loosdrecht, M.C.M. van \ 2003
The variation of activated sludge floc size with the mixing intensity of a mechanically stirred respirometer, expressed in terms of the mean energy dissipation rate, was characterized using a photometric dispersion analyzer. The floc size decreased r ...
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Substrate flux into storage and growth in relation to activated sludge modeling \ Water research : the journal of the International Association on Water Quality [Artikel]
Krishna, C. \ Loosdrecht, M.C.M. van \ 1999
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Simultaneous storage and degradation of PHB and glycogen in activated sludge cultures \ Water research : the journal of the International Association on Water Quality [Artikel]
Carta, F. \ Beun, J.J. \ Loosdrecht, M.C.M. van \ 2001
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Modelling of activated sludge processes with structured biomass \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Loosdrecht, M.C.M. van \ Heijnen, J.J. \ 2002
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Poly-beta-hydroxybutyrate metabolism in dynamically fed mixed microbial cultures \ Water research : the journal of the International Association on Water Quality [Artikel]
Beun, J.J. \ Dircks, K. \ Loosdrecht, M.C.M. van \ 2002
The kinetics of production and degradation of poly-p-hydroxybutyrate (PHB) by a mixed activated sludge culture growing on acetate was studied in a sequencing batch reactor (SBR). Occasionally a very high amount of acetate was added to the steady stat ...
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Modelling nitrification, heterotrophic growth and predation in activated sludge \ Water research : the journal of the International Association on Water Quality [Artikel]
Moussa, M.S. \ Hooijmans, C.M. \ Lubberding, H.J. \ 2005
A mathematical model describing the interaction between nitrifiers, heterotrophs and predators in wastewater treatment has been developed. The inclusion of a predation mechanism is a new addition to the existing activated sludge models. The developed ...
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First international conference on micro-organisms in activated sludge and biofilms \ H twee O : tijdschrift voor watervoorziening en afvalwaterbehandeling [Artikel]
Kruit, J. \ Loosdrecht, M.C.M. van \ 1994
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Simultaneous storage and utilization of polyhydroxyalkanoates and glycogen under aerobic conditions \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Karahan, O. \ Orhon, D. \ Loosdrecht, M.C.M. van \ 2008
This study aims to investigate the storage response of an activated sludge system in the presence of two different substrates which are stored as two different polymers. The objective of the study was to determine the changes in the response of an ac ...
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Modelling the start-up of a full-scale biological phosphorous and nitrogen removing WWTP \ Water research : the journal of the International Association on Water Quality [Artikel]
Meijer, S.C.F. \ Loosdrecht, M.C.M. van \ Heijnen, J.J. \ 2002
In this paper we simulated the start-up of a full-scale biological phosphorus and nitrogen removing (BPNR) wastewater treatment plant (wwtp)
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Modeling COD, N and P removal in a full-scale WWTP Haarlem Waardepolder \ Water research : the journal of the International Association on Water Quality [Artikel]
Brdjanovic, D. \ Loosdrecht, M.C.M. van \ Versteeg, P. \ 2000
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Storage and degradation of poly-ß-hydroxybutyrate in activated sludge under aerobic conditions \ Water research : the journal of the International Association on Water Quality [Artikel]
Dircks, K. \ Henze, M. \ Loosdrecht, M.C.M. van \ 2001
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Error diagnostics and data reconciliation for activated sludge modelling using mass balances \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Meijer, S.C.F. \ Spoel, H. van der \ Susanti, S. \ 2002
In this paper a method for gross error detection and data reconciliation is described. It is shown how data reconciliation improves the accuracy of the data set and how the use of a balanced data set simplifies the model calibration procedure. This i ...
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Modification of Activated Sludge Model no. 3 considering direct growth on primary substrate \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Karahan-Gül, Ö \ Loosdrecht, M.C.M. van \ Orhon, D. \ 2003
This paper provides the structural framework for the proposed modified version of Activated Sludge Model No. 3 (ASM3), where direct heterotrophic growth on readily biodegradable substrate is included as a new process and provision is made so that gro ...
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Filamentous bulking sludge — a critical review \ Water research : the journal of the International Association on Water Quality [Artikel]
Martins, A.M.P. \ Pagilla, K. \ Heijnen, J.J. \ 2004
This paper reviews the long-standing bulking sludge problem in activated sludge systems. Despite the extensive amount of research that has been done on bulking sludge, it still occurs world-wide and a comprehensive solution does not seem to be availa ...
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Evaluating sludge minimization caused by predation and viral infection based on the extended activated sludge model No. 2d \ Water research : the journal of the International Association on Water Quality [Artikel]
Hao, X. \ Wang, Q. \ Cao, Y. \ Loosdrecht, M.C.M. van \ 2011
The Activated Sludge Model No. 2d (ASM2d) was extended to incorporate the processes of both predation and viral infection. The extended model was used to evaluate the contributions of predation and viral infection to sludge minimization in a sequenci ...
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Anticipating the next century of wastewater treatment \ Science : a weekly journal devoted to the advancement of science / American Association for the Advancement of Science [Artikel]
Loosdrecht, M.C.M. van \ Brdjanovic, D. \ 2014
Rapid urbanization and industrialization in the 19th century led to unhealthy environments and wide-spread epidemic diseases. In response, research was undertaken that led to the development of sanitation technology. Exactly 100 years since the activ ...
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Full scale performance of the aerobic granular sludge process for sewage treatment \ Water research : the journal of the International Association on Water Quality [Artikel]
Pronk, M. \ Kreuk, M.K. de \ Bruin, B. de \ Kamminga, P. \ Kleerebezem, R. van \ Looosdrecht, M.C.M. \ 2015
Recently, aerobic granular sludge technology has been scaled-up and implemented for industrial and municipal wastewater treatment under the trade name Nereda®. With full-scale references for industrial treatment application since 2006 and domestic se ...
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Temperature and salt effects on settling velocity in granular sludge technology \ Water research : the journal of the International Association on Water Quality [Artikel]
Winkler, M.-K.H. \ Bassin, J.P. \ Kleerebezem, R. \ Lans, R.G.J.M. van der \ Loosdrecht, M.C.M. van \ 2012
Settling velocity is a crucial parameter in granular sludge technology. In this study the effects of temperature and salt concentrations on settling velocities of granular sludge particles were evaluated. The settling velocity of granules at differen ...
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Activated Sludge Model No. 3 \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Gujer, W. \ Henze, M. \ Mino, T. \ 1999
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