Pages
- 1
- 2
- document
-
Niquice, Celma (author), Marques Arsenio, A. (author), Medema, G.J. (author), van Lier, J.B. (author)Faecal contamination across the lettuce value chain was assessed in Maputo, Mozambique. Escherichia coli was used as an indicator of faecal contamination, with concentrations ranging from 3.4 to 5.7 log units/100 ml in groundwater, river water and partially treated wastewater. Municipal tap water used to wash lettuce heads in the markets had...journal article 2024
- document
-
Allison, A. E.F. (author), Lawrence, J. H. (author), Stephens, S. A. (author), Kwakkel, J.H. (author), Singh, S. K. (author), Blackett, P. (author), Stroombergen, A. (author)Infrastructure in low-lying coastal areas faces challenges from climate change, sea level rise, and the impact of compound hazards. Dynamic adaptive pathways planning (DAPP) is increasingly being applied as a way of planning under deep uncertainty. Stress testing for robustness is an integral part of DAPP which provides decision-makers with...journal article 2024
- document
-
Sutcliffe, Steven G. (author), Kraemer, Susanne A. (author), Ellmen, Isaac (author), Knapp, Jennifer J. (author), Overton, Alyssa K. (author), Nash, Delaney (author), Nissimov, Jozef I. (author), Baaijens, J.A. (author), Shapiro, B. Jesse (author)Wastewater-based surveillance (WBS) is an important epidemiological and public health tool for tracking pathogens across the scale of a building, neighbourhood, city, or region. WBS gained widespread adoption globally during the SARS-CoV-2 pandemic for estimating community infection levels by qPCR. Sequencing pathogen genes or genomes from...journal article 2024
- document
-
Fu, Mingyan (author)Organic micropollutants (OMPs) that occur in the aquatic environment at trace levels are emerging concerns to society. Domestic wastewater is an important source. OMPs end up in surface water and groundwater via conventional municipal wastewater treatment plants (WWTPs), penetrating drinking water. Comprising pharmaceuticals, personal care...doctoral thesis 2023
- document
-
Niquice, Celma (author), Marques Arsenio, A. (author), van Lier, J.B. (author)This research investigated the contribution of wastewater-based nutrient supply, viz., nitrogen (N), phosphorous (P), and potassium (K), for lettuce production in the Infulene Valley, Mozambique, from July to September 2019. The research was conducted in groundwater- and wastewater-irrigated agricultural plots. Water samples were collected...journal article 2023
- document
-
van Loosdrecht, Mark C.M. (author), Hao, Xiaodi (author), Wu, Yuanyuan (author)摘要： 好氧颗粒污泥技术具有占地面积小、能耗低、剩余污泥量少、抗冲击性强等优点，是<br/>一种可持续的污水处理技术。以北京某污水处理厂实际生活污水作为基质，在中试规模（有效容积<br/>为2.5 m3）反应器中进行好氧颗粒污泥培养，研究了颗粒污泥在低温条件下的稳定性。中试自夏季<br/>开始运行到次年春季结束，共计运行260 d。结果表明，采用我国实际低碳源市政污水可以培养出好<br/>氧颗粒污泥，污泥颗粒化程度可达94%，SVI5/SVI30为1.1 ~ 1.3。冬季低温会造成颗粒污泥的枝状结<br/>构增多、丝状菌生长，进而引起颗粒化比例略有下降，为80%~91%，污泥平均粒径降低，SVI5/SVI30升<br/>高至1.5 ~ 1.8。在冬季低温条件下，通过优化调控进水流量...journal article 2022
- document
-
Calderon Franco, D. (author), Sarelse, R.G. (author), Christou, S. (author), Pronk, M. (author), van Loosdrecht, Mark C.M. (author), Abeel, T.E.P.M.F. (author), Weissbrodt, D.G. (author)In the One Health context, wastewater treatment plants (WWTPs) are central to safeguarding water resources. Nonetheless, many questions remain about their effectiveness in preventing antimicrobial resistance (AMR) dissemination. Most surveillance studies monitor the levels and removal of selected antibiotic resistance genes (ARGs) and mobile...journal article 2022
- document
-
Panasiuk, Oleksandr (author), Hedström, Annelie (author), Langeveld, J.G. (author), Viklander, Maria (author)Infiltration and inflow (I/I) into sanitary sewers causes numerous negative effects on the whole wastewater management system and ultimately, on the receiving waters. Consequently, a number of methods have been developed to analyse the performance of sewer systems with respect to I/I, including: distributed temperature sensing (DTS), closed...journal article 2022
- document
- Ganguly, Auroop R. (author), van Breukelen, B.M. (author), Evers, Mariele (author), Hendricks Franssen, Harrie Jan (author), Illangasekare, Tissa (author), Kumar, Praveen (author), Steefel, Carl (author), Taylor, Richard G. (author) contribution to periodical 2022
- document
-
Lam, K.L. (author), Solon, Kimberly (author), Jia, Mingsheng (author), Volcke, Eveline I. P. (author), van der Hoek, J.P. (author)Recovering phosphorus from wastewater in more concentrated forms has potential to sustainably recirculate phosphorus from cities to agriculture. The environmental sustainability of wastewater-based phosphorus recovery processes or wastewater-derived phosphorus products can be evaluated using life cycle assessment (LCA). Many LCA studies used a...journal article 2022
- document
-
Lam, K.L. (author), Zlatanovic, L. (author), van der Hoek, J.P. (author)Life cycle assessment (LCA) is an established methodology to assess the potential environmental impacts of products and processes. We reviewed 49 recent LCA studies (2010-2019) on wastewater nutrient recovery to synthesise some current methodological practices. Their scopes, variations, nutrient recovery accounting, uncertainty and sensitivity...conference paper 2019
- document
-
Hoekstra, M. (author), de Weerd, F.A. (author), Kleerebezem, R. (author), van Loosdrecht, Mark C.M. (author)The implementation of autotrophic nitrogen removal in the mainstream of a municipal wastewater treatment plant is currently pursued. Among the crucial unknown factors are the kinetic properties of anaerobic ammonium oxidising (anammox) bacteria at low temperatures. In this study we investigated the adaptation of a fast-growing anammox culture...journal article 2017
- document
-
Elias Maxil, J.A. (author), Hofman, J.A.M.H. (author), Wols, B.A. (author), Clemens, F.H.L.R. (author), van der Hoek, J.P. (author), Rietveld, L.C. (author)This paper presents a model (inspired by another model) to calculate water temperature in free-surface flow with two main innovations: the convective heat transfer occurs only at the wetted perimeter of pipes, and the model was integrated to commercial software used for hydraulic calculations in drainage systems. Given these innovations, we...journal article 2017
- document
-
Lotti, T. (author)Conventional wastewater treatment plants (WWTPs), like activated sludge systems, are energy demanding requiring a large electrical energy supply (e.g. 25 kWh PE-1 year-1) which, especially during peak-load periods, may account for an important quote of the grid installed power of the surrounding area. Only across the EU, there are 16000 WWTPs...doctoral thesis 2016
- document
-
Dereli, R.K. (author)The success of anaerobic digestion relies on the presence of highly active methanogenic biomass, requiring effective retention of slow growing anaerobic microorganisms inside bioreactor by decoupling the hydraulic retention time (HRT) from solids residence time (SRT) or the employment of long SRTs in fully mixed systems. So far, flow through...doctoral thesis 2015
- document
- Van der Helm, A.W.C. (author), Bhai, A. (author), Coloni, F. (author), Koning, W.J.G. (author), De Bakker, P.T. (author) lecture notes 2015
- document
-
Van der Helm, A.W.C. (author), Bhai, A. (author), Coloni, F. (author), Koning, W.J.G. (author), De Bakker, P.T. (author)Three years after Zaatari camp was established in the Hashemite Kingdom of Jordan, to host Syrian refugees, its population has grown to 82,000 persons. Zaatari is one of the largest refugee camps in the world, in one of the most water scarce areas on earth. Since its establishment, drinking water has been delivered by trucks to communal...conference paper 2015
- document
-
Elias Maxil, J.A. (author)This text presents an approach to assess the energy content (flow and temperature) at any point of the sewer system based on the coupling of a stochastic model to predict drinking water demand from households and a model to estimate the temperature distribution in the sewer network. An application example is given where the developed tool is...doctoral thesis 2015
- document
-
Mohd Amin, M.F. (author)The presence of micropollutants, especially pharmaceuticals, in wastewater has become a significant concern to both the water treatment industry as well as consumers. A new method of treatment was developed to curb this problem. The use of polymers as flocculants and combining them with materials helped to reduce the concentration of these...doctoral thesis 2015
- document
-
Valladares Linares, R. (author)Since more than 97% of the water in the world is seawater, desalination technologies have the potential to solve the fresh water crisis. The most used desalination technology nowadays is seawater reverse osmosis (SWRO), where a membrane is used as a physical barrier to separate the salts from the water, using high hydraulic pressure as the...doctoral thesis 2014
Pages
- 1
- 2