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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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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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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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Nitrogen removal by a nitritation-anammox bioreactor at low temperature \ Applied and environmental microbiology / publ. by the American Society for Microbiology [Artikel]
Hu, Z. \ Lotti, T. \ Kreuk, M. de \ Kleerebezem, R. \ Loosdrecht, M.C.M. van \ Kruit, J. \ Jetten, M.S. \ Kartal, B. \ 2013
Currently, nitritation-anammox (anaerobic ammonium oxidation) bioreactors are designed to treat wastewaters with high ammonium concentrations at mesophilic temperatures (25 to 40°C). The implementation of this technology at ambient temperatures for n ...
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Metabolic modeling of denitrification in Agrobacterium tumefaciens: a tool to study inhibiting and activating compounds for the denitrification pathway \ Frontiers in cellular and infection microbiology [Artikel]
Kampscheur, M.J. \ Kleerebezem, R. \ Picioreanu, C. \ Bakken, L. \ Bergaust, L. \ Vries, S. de \ Jetten, M.S.M. \ Loosdrecht, M.C.M. van \ 2012
A metabolic network model for facultative denitrification was developed based on experimental data obtained with Agrobacterium tumefaciens. The model includes kinetic regulation at the enzyme level and transcription regulation at the enzyme synthesis ...
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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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Faster through training: the anammox case \ Water research : the journal of the International Association on Water Quality [Artikel]
Lotti, T. \ Kleerebezem, R. \ Abelleira-Pereira, J.M. \ Abbas, B. \ Loosdrecht, M.C.M. van \ 2015
Anaerobic ammonium oxidizing (anammox) bacteria based technologies are widely applied for nitrogen removal from warm (25-40 °C) wastewater with high ammonium concentrations (~1 gNH4-N L-1). Extension of the operational window of this energy and resou ...
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Outcompeting nitrite-oxidizing bacteria in single-stage nitrogen removal in sewage treatment plants : a model-based study \ Water research : the journal of the International Association on Water Quality [Artikel]
Pérez, J. \ Lotto, T. \ Kleerebezem, R. \ Piciorenu, C. \ Loosdrecht, M.C.M. \ 2014
This model-based study investigated the mechanisms and operational window for efficient repression of nitrite oxidizing bacteria (NOB) in an autotrophic nitrogen removal process. The operation of a continuous single-stage granular sludge process was ...
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Simultaneous partial nitritation and anammox at low temperature with granular sludge \ Water research : the journal of the International Association on Water Quality [Artikel]
Lotti, T. \ Kleerebezem, R. \ Hu, Z. \ Kartel, B. \ Jetten, M.S.M. \ Loosdrecht, M.C.M. van \ 2014
Autotrophic nitrogen removal in the main stream appears as a prerequisite for the implementation of energy autarchic wastewater treatment plants. To investigate autotrophic nitrogen removal a lab-scale gas-lift sequencing batch reactor with granular ...
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Physiological and kinetic characterization of a suspended cell anammox culture \ Water research : the journal of the International Association on Water Quality [Artikel]
Lotti, T. \ Kleerebezem, R. \ Lubello, C. \ Loosdrecht, M.C.M. van \ 2014
Anammox related technologies are currently widely applied for nitrogen removal from sewage sludge digester rejection water. Nevertheless, many aspects of the anammox process like the kinetic characteristics and the reaction stoichiometry are still su ...
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Effect of dynamic process conditions on nitrogen oxides emission from a nitrifying culture \ Environmental science & technology / American Chemical Society [Artikel]
Kampschreur, M.J. \ Tan, N.C.G. \ Kleerebezem, R. \ Picioreanu, C. \ Jetten, M.S.M. \ Loosdrecht, M.C.M. van \ 2008
Nitric oxide (NO) and nitrous oxide (N2O) emissions from nitrifying ecosystems are a serious threat to the environment. The factors influencing the emission and the responsible microorganisms and pathways were studied using a laboratory-scale nitrify ...
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PHA production from the organic fraction of municipal solid waste (OFMSW): overcoming the inhibitory matrix \ Water research : the journal of the International Association on Water Quality [Artikel]
Korkakaki, E. \ Mulders, M. \ Veeken, A. \ Rozendal, R. \ Loosdrecht, M.C.M. van \ Kleerebezem, R. \ 2016
Leachate from the source separated organic fraction of municipal solid waste (OFMSW) was evaluated as a substrate for polyhydroxyalkanoates (PHA) production. Initially, the enrichment step was conducted directly on leachate in a feast-famine regime. ...
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Respirometric characterization of aerobic sulfide, thiosulfate and elemental sulfur oxidation by S-oxidizing biomass \ Water research : the journal of the International Association on Water Quality [Artikel]
Mora, M. \ López, L.R. \ Lafuente, J. \ Pérez, J. \ Kleerebezem, R. \ Loosdrecht, M.C.M. van \ Gamisans, X. \ Gabriel, D. \ 2016
Respirometry was used to reveal the mechanisms involved in aerobic biological sulfide oxidation and to characterize the kinetics and stoichiometry of a microbial culture obtained from a desulfurizing biotrickling filter. Physical–chemical processes s ...
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Ammonium adsorption in aerobic granular sludge, activated sludge and anammox granules \ Water research : the journal of the International Association on Water Quality [Artikel]
Bassin, J.P. \ Pronk, M. \ Kraan, R. \ Kleerebezem, R. \ Loosdrecht, M.C.M. van \ 2012
The ammonium adsorption properties of aerobic granular sludge, activated sludge and anammox granules have been investigated. Two types of adsorption batch experiments were conducted: one varying the ammonium concentration and keeping biomass concentr ...
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Selective sludge removal in a segregated aerobic granular biomass system as a strategy to control PAO–GAO competition at high temperatures \ Water research : the journal of the International Association on Water Quality [Artikel]
Winkler, M.K.H. \ Bassin, J.P. \ Kleerebezem, R. \ Bruin, L.M.M. de \ Brand, T.P.H. van den \ Loosdrecht, M.C.M. van \ 2011
An aerobic granular sludge (AGS) reactor was run for 280 days to study the competition between Phosphate and Glycogen Accumulating Organisms (PAOs and GAOs) at high temperatures. Investigated was whether segregation of biomass occurs along the sludge ...
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Nitrous oxide emission during wastewater treatment \ Water research : the journal of the International Association on Water Quality [Artikel]
Kampschreur, M.J. \ Temmink, H. \ Kleerebezem, R. \ Jetten, M.S.M. \ Loosdrecht, M.C.M. van \ 2009
Nitrous oxide (N2O), a potent greenhouse gas, can be emitted during wastewater treatment, significantly contributing to the greenhouse gas footprint. Measurements at lab-scale and full-scale wastewater treatment plants (WWTPs) have demonstrated that ...
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Waste to resource: converting paper mill wastewater to bioplastic \ Water research : the journal of the International Association on Water Quality [Artikel]
Jiang, Y. \ Marang, L. \ Tamis, J. van \ Loosdrecht, M.C.M. \ Dijkman, H. \ Kleerebezem, R. \ 2012
In this study we investigated the feasibility of producing polyhydroxyalkanoate (PHA) by microbial enrichments on paper mill wastewater. The complete process includes (1) paper mill wastewater acidogenic fermentation in a simple batch process, (2) en ...
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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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Simultaneous nitrogen and phosphate removal in aerobic granular sludge reactors operated at different temperatures \ Water research : the journal of the International Association on Water Quality [Artikel]
Bassin, J.P. \ Kleerebezem, R. \ Dezotti, M. \ Loosdrecht, M.C.M. van \ 2012
The main biological conversions taking place in two lab-scale aerobic granular sludge sequencing batch reactors were evaluated. Reactors were operated at different temperatures (20 and 30 °C) and accomplished simultaneous COD, nitrogen and phosphate ...
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