Searched for: department%3A%22Water%255C%2Bmanagement%22
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Xu, Yanghui (author), Ou, Q. (author), Wang, Xintu (author), Hou, Feng (author), Li, Peng (author), van der Hoek, J.P. (author), Liu, G. (author)
The level of microplastics (MPs) in wastewater treatment plants (WWTPs) has been well evaluated by the particle number, while the mass concentration of MPs and especially nanoplastics (NPs) remains unclear. In this study, pyrolysis gas chromatography-mass spectrometry was used to determine the mass concentrations of MPs and NPs with different...
journal article 2023
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Pavez Jara, J.A. (author), van Lier, J.B. (author), de Kreuk, M.K. (author)
Full-scale thermal hydrolysis processes (THP) showed an increase in nutrients release and formation of melanoidins, which are considered to negatively impact methanogenesis during mesophilic anaerobic digestion (AD). In this research, fractionation of THP-sludge was performed to elucidate the distribution of nutrients and the formed...
journal article 2023
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Wei, P. (author), Uijttewaal, W.S.J. (author), Spanjers, H. (author), van Lier, J.B. (author), de Kreuk, M.K. (author)
Gas-mixing is commonly applied in anaerobic digesters, yet the resulting flow and hydraulic mixing are difficult to evaluate because of limited full-scale experimental data and uncertainties in integrating sludge rheological data. This study used computational fluid dynamics (CFD) to assess the impact of treated sludge rheology on flow and...
journal article 2023
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van der Hoek, J.P. (author), Heijman, Sebastiaan (author), Fu, Mingyan (author), Jiang, N. (author), Rietveld, L.C. (author), Doekhi-Bennani, Y. (author)
AdOx is een combinatie van een adsorptieproces en een oxidatietechniek. Een veelbelovende technologie om medicijnresten uit afvalwater te halen. En winnaar van<br/>de Waterinnovatieprijs 2021, categorie Gezond Water en Gezonde Bodem.
journal article 2022
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Daniel, D. (author), Pande, S. (author), Rietveld, L.C. (author)
Endogeneity or reverse causality in regression analysis results in biased estimation of the effects of independent variables on the dependent variable and leads to inaccurate interpretations. However, the biased estimation of the effects of psychological factors on water–related behaviours are rarely discussed. This study investigated the...
journal article 2022
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Aydin, B.E. (author), Oude Essink, Gualbert H.P. (author), Delsman, Joost R. (author), van de Giesen, N.C. (author), Abraham, E. (author)
A significant increase in surface water salinization in low-lying deltas is expected globally due to saline groundwater exfiltration driven by rising sea levels and decreasing freshwater availability. Sustaining fresh water-dependent agriculture in such areas will entail an increased demand for fresh water flushing. Unfortunately, the...
journal article 2022
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Roy, M. (author), van Genuchten, Case M. (author), Rietveld, L.C. (author), van Halem, D. (author)
Groundwater contaminated with arsenic (As) must be treated prior to drinking, as human exposure to As at toxic levels can cause various diseases including cancer. Conventional aeration-filtration applied to anaerobic arsenite (As(III)) contaminated groundwater can remove As(III) by co-oxidizing native iron (Fe(II)) and As(III) with oxygen (O...
journal article 2022
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Annaduzzaman, M. (author), Rietveld, L.C. (author), Hoque, Bilqis Amin (author), van Halem, D. (author)
Sequential iron (as Fe<sup>2+</sup>) oxidation has been found to yield improved arsenic (as As(III)) uptake than the single-step oxidation. The objective of this study was to gain a better understanding of interactions with phosphate (PO<sub>4</sub><sup>3−</sup>) and silicate (SiO<sub>4</sub><sup>2−</sup>) during sequential Fe<sup>2+</sup>...
journal article 2022
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Chen, M. (author), Heijman, Sebastiaan (author), Luiten-Olieman, Mieke W.J. (author), Rietveld, L.C. (author)
Ceramic membranes have drawn increasing attention in oily wastewater treatment as an alternative to their traditional polymeric counterparts, yet persistent membrane fouling is still one of the largest challenges. Particularly, little is known about ceramic membrane fouling by oil-in-water (O/W) emulsions in constant flux filtration modes. In...
journal article 2022
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Moghim, Sanaz (author), Teuling, Adriaan J. (author), Uijlenhoet, R. (author)
Globally, the impacts of climate change can vary across different regions. This study uses a probability framework to evaluate recent historical (1976–2016) and near-future projected (until 2049) climate change across Europe using Climate Research Unit and ensemble climate model datasets (under RCPs 2.6 and 8.5). A historical assessment shows...
journal article 2022
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Wang, Q. (author), Zietzschmann, F.E. (author), Hofman-Caris, Roberta (author), Jiang, N. (author), Schuster, Jonas (author), Wang, Zheng (author), Yu, Jianwei (author), Yang, Min (author), Rietveld, L.C. (author)
It was widely acknowledged that dissolved organic matter (DOM) in natural water has ubiquitous competitiveness against organic micropollutants (OMPs) during adsorption onto activated carbon. However, some (model) low molecular weight organics have been reported to adsorb onto activated carbon, but were not competitive against co-adsorbates....
journal article 2022
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Zhao, Jian (author), Fang, Shangbiao (author), Liu, G. (author), Qi, Weixiao (author), Bai, Yaohui (author), Liu, Huijuan (author), Qu, Jiuhui (author)
Biodegradation plays an important role in the removal of organic micropollutants (OMPs) during riverbank filtration (RBF) for drinking water production. The ability of ammonia-oxidizing microorganisms (AOM) to remove OMPs has attracted increasing attention. However, the distribution of AOM in RBF and its role in the degradation of OMPs...
journal article 2022
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Daniel, D. (author), Pande, S. (author), Rietveld, L.C. (author)
Household water treatment (HWT) is one of the possible technologies to improve the quality of potable water in low–middle-income countries. However, many households still drink untreated water that leads to negative health consequences, highlighting the need for a behavioral study. This study explores the role of eight socio-economic...
journal article 2021
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Gulamussen, N.J. (author), Marques Arsenio, A. (author), Matsinhe, N. P. (author), Manjate, R. S. (author), Rietveld, L.C. (author)
Experiments were conducted to evaluate the possibilities of using treated wastewater for the production of unreinforced concrete blocks. Compressive strength, water absorption and morphology tests of concrete blocks, produced from different makeups of mixing water, drinking water, drinking water spiked with ammonium and phosphate, and the...
journal article 2021
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Chen, M. (author), Heijman, Sebastiaan (author), Rietveld, L.C. (author)
Membrane filtration is considered to be one of the most promising methods for oily wastewater treatment. Because of their hydrophilic surface, ceramic membranes show less fouling compared with their polymeric counterparts. Membrane fouling, however, is an inevitable phenomenon in the filtration process, leading to higher energy consumption and a...
review 2021
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Callejas Moncaleano, D.C. (author), Pande, S. (author), Rietveld, L.C. (author)
Water withdrawals around the world have increased almost twice as fast as the population during the last century. Higher than expected water demand is leading to water scarcity and causing rapid depletion of water tables around the world. One reason behind the higher than expected demand is the inefficient use of water. Inefficient use of...
review 2021
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Toja Ortega, S. (author), Pronk, M. (author), de Kreuk, M.K. (author)
High concentrations of particulate COD (pCOD) in the influent of aerobic granular sludge (AGS) systems are often associated to small granule diameter and a large fraction of flocculent sludge. At high particulate concentrations even granule stability and process performance might be compromised. However, pilot-or full-scale studies focusing...
journal article 2021
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Daniel, D. (author), Djohan, Dennis (author), Machairas, Ilias (author), Pande, S. (author), Arifin, Arifin (author), Djono, Trimo Pamudji Al (author), Rietveld, L.C. (author)
Background: There is increasing recognition of the complexity underlying WASH conditions in developing countries. This article explores the complexity by assessing the vulnerability of a specific area to poor WASH conditions using a qualitative approach. Methods: We present our findings for the district of East Sumba in Indonesia. This area...
journal article 2021
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Wei, L. (author), Li, Z. (author), Ye, G. (author), Rietveld, L.C. (author), van Halem, D. (author)
Excessive F<sup>-</sup> in drinking water due to natural and anthropogenic activities is a serious health hazard affecting humans worldwide. In this study, a comparative assessment was made of eight mineral-based materials with advantageous structural properties for F<sup>-</sup> uptake: layered-double-hydroxides (LDHs), geopolymers,...
journal article 2021
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Lin, B. (author), Heijman, Sebastiaan (author), Shang, Ran (author), Rietveld, L.C. (author)
Ceramic nanofiltration (NF) is a newly-developed technology for water recycling, but is still limited to pilot-scale applications. Lacking efficient and eco-friendly strategies for cleaning ceramic NF membrane impedes its scaling-up in industries. Forward flush, backwash and acidic/caustic cleaning are not efficient enough. In this work, a...
journal article 2021
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