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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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Porosity of spacer-filled channels in spiral-wound membrane systems: quantification methods and impact on hydraulic characterization \ Water research : the journal of the International Association on Water Quality [Artikel]
Siddiqui, A. \ Lehmann, S. \ Haaksman, V. \ Ogier, J. \ Schellenberg, C. \ Loosdrecht, M.C.M. van \ Kruithof, J.C. \ Vrouwenvelder, J.S. \ 2017
The porosity of spacer-filled feed channels influences the hydrodynamics of spiral-wound membrane systems and impacts the overall performance of the system. Therefore, an exact measurement and a detailed understanding of the impact of the feed channe ...
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Vivianite as the main phosphate mineral in digested sewage sludge and its role for phosphate recovery \ Water research : the journal of the International Association on Water Quality [Artikel]
Wilfert, P. \ Dugulan, A.I. \ Goubitz, K. \ Korving, L. \ Witkamp, G.J. \ Loosdrecht, M.C.M. van \ 2018
Phosphate recovery from sewage sludge is essential in a circular economy. Currently, the main focus in centralized municipal wastewater treatment plants (MWTPs) lies on struvite recovery routes, land application of sludge or on technologies that rely ...
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Short-term adhesion and long-term biofouling testing of polydopamine and poly(ethylene glycol) surface modifications of membranes and feed spacers for biofouling control \ Water research : the journal of the International Association on Water Quality [Artikel]
Miller, D.J. \ Araújo, P.A. \ Correia, P.B. \ Ramsey, M.M. \ Kruithof, J.C. \ Loosdrecht, M.C.M. van \ Freeman, B.D. \ Paul, D.R. \ Whiteley, M. \ Vrouwenvelder, J.S. \ 2012
In this study the effectiveness of polydopamine and polydopamine-g-poly(ethylene glycol) membrane coatings for biofouling control was determined and techniques commonly used in assessment of membrane biofouling propensity were compared with biofoulin ...
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Understanding and improving the reusability of phosphate adsorbents for wastewater effluent polishing \ Water research : the journal of the International Association on Water Quality [Artikel]
Suresh Kumar, P. \ Ejerssa, W.W. \ Wegener, C.C. \ Korving, L. \ Dugulan, A.I. \ Temmink, H. \ Loosdrecht, M.C.M. van \ Witkamp, G.-J. \ 2018
Phosphate is a vital nutrient for life but its discharge from wastewater effluents can lead to eutrophication. Adsorption can be used as effluent polishing step to reduce phosphate to very low concentrations. Adsorbent reusability is an important par ...
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Effect of water temperature on biofouling development in reverse osmosis membrane systems \ Water research : the journal of the International Association on Water Quality [Artikel]
Farhat, N.M. \ Vrouwenvelder, J.S. \ Loosdrecht, M.C.M. van \ Bucs, S. \ Staal, M. \ 2016
Understanding the factors that determine the spatial and temporal biofilm development is a key to formulate effective control strategies in reverse osmosis membrane systems for desalination and wastewater reuse. In this study, biofilm development was ...
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Vivianite as an important iron phosphate precipitate in sewage treatment plants \ Water research : the journal of the International Association on Water Quality [Artikel]
Wilfert, P. \ Mandalides, A. \ Dugulan, A.I. \ Goubitz, K. \ Korving, L. \ Temmink, H. \ Witkamp, G.J. \ Loosdrecht, M.C.M. van \ 2016
Iron is an important element for modern sewage treatment, inter alia to remove phosphorus from sewage. However, phosphorus recovery from iron phosphorus containing sewage sludge, without incineration, is not yet economical. We believe, increasing the ...
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Predicting the impact of feed spacer modification on biofouling by hydraulic characterization and biofouling studies in membrane fouling simulators \ Water research : the journal of the International Association on Water Quality [Artikel]
Siddiqui, A. \ Lehmann, S. \ Bucs, S.S. \ Fresquet, M. \ Fel, L. \ Prest, E.I.E.C. \ Ogier, J. \ Schellenberg, C. \ Loosdrecht, M.C.M. van \ Kruithof, J.C. \ Vrouwenvelder, J.S. \ 2017
Feed spacers are an essential part of spiral-wound reverse osmosis (RO) and nanofiltration (NF) membrane modules. Geometric modification of feed spacers is a potential option to reduce the impact of biofouling on the performance of membrane systems. ...
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Monitoring microbiological changes in drinking water systems using a fast and reproducible flow cytometric method \ Water research : the journal of the International Association on Water Quality [Artikel]
Prest, E.I. \ Hammes, F. \ Kötzsch, S. \ Loosdrecht, M.C.M. van \ Vrouwenvelder, J.S. \ 2013
Flow cytometry (FCM) is a rapid, cultivation-independent tool to assess and evaluate bacteriological quality and biological stability of water. Here we demonstrate that a stringent, reproducible staining protocol combined with fixed FCM operational a ...
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Bacterial community structure and variation in a full-scale seawater desalination plant for drinking water production \ Water research : the journal of the International Association on Water Quality [Artikel]
Belila, A. \ El-Chakhtoura, J. \ Otaibi, N. \ Muyzer, G. \ Gonzalez-Gil, G. \ Saikaly, P.E. \ Loosdrecht, M.C.M. van \ Vrouwenvelder, J.S. \ 2016
Microbial processes inevitably play a role in membrane-based desalination plants, mainly recognized as membrane biofouling. We assessed the bacterial community structure and diversity during different treatment steps in a full-scale seawater desalina ...
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Development and characterization of 3D-printed feed spacers for spiral wound membrane systems \ Water research : the journal of the International Association on Water Quality [Artikel]
Siddiqui, A. \ Farhat, N. \ Bucs, S.C. \ Valladares Linares, R. \ Picioreanu, C. \ Kruithof, J.C. \ Loosdrecht, M.C.M. van \ Kidwell, J. \ Vrouwenvelder, J.S. \ 2016
Feed spacers are important for the impact of biofouling on the performance of spiral-wound reverse osmosis (RO) and nanofiltration (NF) membrane systems. The objective of this study was to propose a strategy for developing, characterizing, and testin ...
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Integrated approach for biofouling control \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Vrouwenvelder, J.S. \ Kruithof, J.C. \ Loosdrecht, M.C.M. van \ 2010
Despite extensive research efforts, past and present strategies to control biofouling problems in spiral-wound nanofiltration and reverse osmosis membranes have not been successful under all circumstances. Gaining insight in the biofouling process is ...
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New approaches to characterizing and understanding biofouling of spiral wound membrane systems \ Water science and technology : a journal of the International Association on Water Pollution Research [Artikel]
Loosdrecht, M.C.M. van \ Bereschenko, L. \ Radu, A. \ Kruithof, J.C. \ Picioreanu, C. \ Johns, M.L. \ Vrouwenvelder, H.S. \ 2012
Historically, biofouling research on spiral wound membrane systems is typically problem solving oriented. Membrane modules are studied as black box systems, investigated by autopsies. Biofouling is not a simple process. There is a substantial need fo ...
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Determinants of presence and removal of antibiotic resistance genes during WWTP treatment: a cross-sectional study \ Water research : the journal of the International Association on Water Quality [Artikel]
Pallares-Vega, R. \ Blaak, H. \ Plaats, R. van der \ Rode Husman, A.M. de \ Hernandez Leal, L. \ Loosdrecht, M.C.M. van \ Weissbrodt, D.G. \ Schmitt, H. \ 2019
Wastewater treatment plants (WWTPs), linking human fecal residues and the environment, are considered as hotspots for the spread of antimicrobial resistance (AMR). In order to evaluate the role of WWTPs and underlying operational parameters for the r ...
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