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Startup of reactors for anoxic ammonium oxidation: experiences from the first full-scale anammox reactor in Rotterdam \ Water research : the journal of the International Association on Water Quality [Artikel]
Star, W.R.L. van der \ Abma, W.R. \ Blommers, D. \ Mulder, J-W. \ Tokutomi, T. \ Strous, M. \ Picioreanu, C. \ Loosdrecht, M.C.M. van \ 2007
The first full-scale anammox reactor in the world was started in Rotterdam (NL). The reactor was scaled-up directly from laboratory-scale to full-scale and treats up to 750 kg-N/d. In the initial phase of the startup, anammox conversions could not be ...
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Thermostabiel ferritine voor een bionanotechnologische fosfaatverwijdering \ Afvalwaterwetenschap : driemaandelijks tijdschrift voor geinteresseerden in een wetenschappelijke benadering van afvalwater en daaraan gerelateerde onderwerpen [Artikel]
Jacobs, J.F. \ Hasan, M.N. \ Hagen, W.R. \ Loosdrecht, M.C.M. van \ 2007
Eutrofiering van ecologisch gevoelige wateren kan worden tegengegaan door adequate fosfaatverwijdering van het ingelaten afval- en oppervlaktewater. Bestaande fysisch-chemisch en biologische methoden zijn niet toereikend om het gewenste fosfaatniveau ...
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Erratum to "Startup of reactors for anoxic ammonium oxidation: Experiences from the first full-scale anammox reactor in Rotterdam" [Water Research 41 (2007) 18] \ Water research : the journal of the International Association on Water Quality [Artikel]
Star, W.R.L. van der \ Abma, W.R. \ Blommers, D. \ Mulder, J.W. \ Tokutomi, T. \ Strous, M. \ Picioreanu, C. \ Loosdrecht, M.C.M. van \ 2010
he authors regret that an error has occurred. In the description of the Q-PCR, the used probes were not described correctly. In the research a 1:1 ratio of probes AMX-361 and AMX-381 was used. Probe AMX-382 was not used at all.
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Impact of flow regime on pressure drop increase and biomass accumulation and morphology in membrane systems \ Water research : the journal of the International Association on Water Quality [Artikel]
Vrouwenvelder, J.S. \ Buiter, J. \ Riviere, M. \ Meer, W.G.J. van der \ Loosdrecht, M.C.M. van \ Kruithof, J.C. \ 2010
The objective of this study was to establish the influence of flow regime on biofilm accumulation and morphology in spiral wound nanofiltration and reverse osmosis membranes. Monitor studies were performed with single phase flow (water) and two phase ...
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Quantitative biofouling diagnosis in full scale nanofiltration and reverse osmosis installations \ Water research : the journal of the International Association on Water Quality [Artikel]
Vrouwenvelder, J.S. \ Manolarakis, S.A. \ Hoek, J.P. van der \ Paassen, J.A.M. van \ Meer, W.G.J. van der \ Agtmaal, J.M.C. van \ Prummel, H.D.M. \ Kruithof, J.C. \ Loosdrecht, M.C.M. van \ 2008
Biofilm accumulation in nanofiltration and reverse osmosis membrane elements results in a relative increase of normalised pressure drop. However, an increase in normalised pressure drop is not exclusively linked to biofouling. In order to quantify bi ...
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Data evaluation of full-scale wastewater treatment plants by mass balance \ Water research : the journal of the International Association on Water Quality [Artikel]
Puig, S. \ Loosdrecht, M.C.M. van \ Colprim, J. \ Meijer, S.C.F. \ 2008
Measured data of wastewater treatment plants (WWTPs) often contains errors. These errors can prohibit the use of WWTP data for process evaluation, process design, benchmarking or modelling purposes. In this paper a practical stepwise methodology is p ...
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Selection between alcohols and volatile fatty acids as external carbon sources for EBPR \ Water research : the journal of the International Association on Water Quality [Artikel]
Puig, S. \ Coma, M. \ Monclús, H. \ Loosdrecht, M.C.M. van \ Colprim, J. \ Balaguer, M.D. \ 2008
The purpose of this study was to investigate the behaviour of ethanol as an alternative for conventional volatile fatty acids (VFAs) (i.e. acetate and propionate) as the external carbon sources for enhanced biological phosphorus removal (EBPR) from w ...
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Modelling using rRNA-structured biomass models \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Lavallée, B. \ Frigon, D. \ Lessard, P. \ Vanrolleghem, P.A. \ Yuan, Z. \ Loosdrecht, M.C.M. van \ 2009
Models currently used have been developed to describe the storage response in the activated sludge process. In these models the distribution of the substrate flux between growth and storage is an empirical function. rRNA-structured biomass models are ...
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Short- and long-term temperature effects on aerobic polyhydroxybutyrate producing mixed cultures \ Water research : the journal of the International Association on Water Quality [Artikel]
Johnson, K. \ Geest, J. van \ Kleerebezem, R. \ Loosdrecht, M.C.M. van \ 2010
Short- and long-term temperature effects on polyhydroxybutyrate (PHB) producing mixed cultures enriched in feast-famine sequencing batch reactors were investigated in a temperature range of 15-35 graden C and 15-30 graden C, respectively. After short ...
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Phosphate limitation to control biofouling \ Water research : the journal of the International Association on Water Quality [Artikel]
Vrouwenvelder, J.S. \ Beyer, F. \ Dahmani, K. \ Hasan, N. \ Galjaard, G. \ Kruithof, J.C. \ Loosdrecht, M.C.M. van \ 2010
Phosphate limitation as a method to control biofouling of spiral wound reverse osmosis (RO) membranes was studied at a full-scale installation fed with extensively pretreated water. The RO installation is characterized by a low feed channel pressure ...
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Influence of the C/N ratio on the performance of polyhydroxybutyrate (PHB) producing sequencing batch reactors at short SRTs \ Water research : the journal of the International Association on Water Quality [Artikel]
Johnson, K. \ Kleerebezem, R. \ Loosdrecht, M.C.M. van \ 2010
Many waste streams that are suitable substrates for mixed culture bioplastic (polyhydroxyalkanoate, PHA) production are nutrient limited and may need to be supplemented to allow sufficient growth of PHA accumulating bacteria. The scope of this study ...
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The effect of nitrite inhibition on the anammox process \ Water research : the journal of the International Association on Water Quality [Artikel]
Lotti, T. \ Star, W.R.L. van der \ Kleerebezem, R. \ Lubello, C. van \ Loosdrecht, M.C.M. \ 2012
An in depth study on nitrite inhibition was performed in which the influence of environmental factors was evaluated. Anammox activity was measured in anammox granules by continuously monitored standardized manometric batch tests extending the interpr ...
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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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An exploratory study on seawater-catalysed urine phosphorus recovery (SUPR) \ Water research : the journal of the International Association on Water Quality [Artikel]
Dai, J. \ Tang, W.T. \ Zheng, Y.S. \ Mackey, H.R. \ Chui, H.K. \ Loosdrecht, M.C.M. van \ Chen, G.H. \ 2014
Phosphorus (P) is a crucial and non-renewable resource, while it is excessively discharged via sewage, significant amounts originating from human urine. Recovery of P from source-separated urine presents an opportunity not only to recover this precio ...
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Impact of organic nutrient load on biomass accumulation, feed channel pressure drop increase and permeate flux decline in membrane systems \ Water research : the journal of the International Association on Water Quality [Artikel]
Bucs, S.S. \ Valladares Linares, R. \ Loosdrecht, M.C.M. van \ Kruithof, J.C. \ Vrouwenvelder, J.S. \ 2014
The influence of organic nutrient load on biomass accumulation (biofouling) and pressure drop development in membrane filtration systems was investigated. Nutrient load is the product of nutrient concentration and linear flow velocity. Biofouling - e ...
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Granulation of anaerobic sludge in the sulfate-reducing up-flow sludge bed (SRUSB) of SANI process \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Hao, T. \ Lu, H. \ Chui, H.K. \ Loosdrecht, M.C.M. van \ Chen, G.H. \ 2013
This study reports on anaerobic sludge granulation in a laboratory-scale sulfate-reducing up-flow sludge bed (SRUSB) in a novel sulfate reduction, autotrophic denitrification and nitrification integrated (SANI) process for treatment of saline sewage. ...
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Phosphorus limitation in nitrifying groundwater filters \ Water research : the journal of the International Association on Water Quality [Artikel]
Vet, W.W.J.M. de \ Loosdrecht, M.C.M. van \ Rietveld, L.C. \ 2012
Nitrification at the Oasen water treatment plant (WTP) Lekkerkerk was studied. In the Oasen groundwater filters, the water temperature is moderately low and constant (13 °C), but the availability of phosphate is not straightforward. Orthophosphate co ...
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The contribution of exopolysaccharides induced struvites accumulation to ammonium adsorption in aerobic granular sludge \ Water research : the journal of the International Association on Water Quality [Artikel]
Lin, Y.M. \ Bassin, J.P. \ Loosdrecht, M.C.M. van \ 2012
Aerobic granular sludge from a lab-scale reactor with simultaneous nitrification/denitrification and enhanced biological phosphorus removal processes exhibited significant amount of ammonium adsorption (1.5mg NH 4 +-N/g TSS at an ammonium concentrati ...
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Strength characteristics of aerobic granular sludge \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Non-Anuar, A. \ Ajang, Z. \ Loosdrecht, M.C.M. van \ Kreuk, M.K. de \ Olsson, G. \ 2012
Aerobic granular sludge has a number of advantages over conventional activated sludge flocs, such as cohesive and strong matrix, fast settling characteristic, high biomass retention and ability to withstand high organic loadings, all aspects leading ...
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Assessment of nitrification in groundwater filters for drinking water production by qPCR and activity measurement \ Water research : the journal of the International Association on Water Quality [Artikel]
Vet, W.W.J.M. de \ Kleerebezem, R. \ Wielen, P.W.J.J. van der \ Rietveld, L.C. \ Loosdrecht, M.C.M. van \ 2011
In groundwater treatment for drinking water production, the causes of nitrification problems and the effectiveness of process optimization in rapid sand filters are often not clear. The aim of this work was to test two possible hypotheses to explain ...
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