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Xu, Yanghui (author), Ou, Q. (author), van der Hoek, J.P. (author), Liu, G. (author), Lompe, K.M. (author)Micro- and nanoplastics (MNPs) are attracting increasing attention due to their persistence and potential ecological risks. This review critically summarizes the effects of photo-oxidation on the physical, chemical, and biological behaviors of MNPs in aquatic and terrestrial environments. The core of this paper explores how photo-oxidation...review 2024
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Wang, Xintu (author), Xu, Yanghui (author), Ou, Q. (author), Chen, Wenwen (author), van der Meer, W.G.J. (author), Liu, G. (author)The excessive use and accumulation of water-soluble polymers (WSPs, known as “liquid plastics”) in the environment can pose potential risks to both ecosystems and human health, but the environmental fate of WSPs remains unclear. Here, the adsorption behavior of WSPs with different molecular weight on kaolinite (Kaol) and montmorillonite (Mt)...journal article 2024
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Zhai, Yujia (author), Bai, Junhong (author), Chang, Pengfei (author), Liu, Zhe (author), Wang, Yaqi (author), Liu, G. (author), Cui, Baoshan (author), Peijnenburg, Willie (author), Vijver, Martina G. (author)Microplastics (MPs), miniscule plastic particles measuring less than 5 mm in size, have become a concern in terrestrial ecosystems, with primarily agricultural and wetland soils being the soils with highest plastic loadings. The adverse effect of MPs might lead to changes in physicochemical and biological characteristics of soil including...review 2024
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Xu, Yanghui (author), Wang, Xintu (author), Ou, Q. (author), Zhou, Zhongbo (author), van der Hoek, J.P. (author), Liu, G. (author)Increasing wildfire frequency, a consequence of global climate change, releases incomplete combustion byproducts such as aquatic pyrogenic dissolved organic matter (DOM) and black carbon (DBC) into waters, posing a threat to water security. In August 2022, a series of severe wildfires occurred in Chongqing, China. Samples from seven locations...journal article 2024
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Wang, Di (author), Ren, Anran (author), Yao, Mingchen (author), Hu, Bin (author), van der Meer, Walter (author), Liu, G. (author)Drinking water biosafety has become an increasing concern for public health. Chlorination is widely used as the main disinfection strategy worldwide but has clear and well-known byproduct issues. The Netherlands has successfully demonstrated unchlorinated approach for almost 20 years but has not been widely adopted by other countries. To...journal article 2024
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Plastic particles affect N2O release via altering core microbial metabolisms in constructed wetlandsYang, X. (author), Chen, Yi (author), Liu, Tao (author), Zhang, Lu (author), Wang, Hui (author), Chen, Mengli (author), He, Qiang (author), Liu, G. (author), Ju, Feng (author)Constructed wetlands (CWs) have been proven to effectively immobilize plastic particles. However, little is known about the differences in the impact of varying sized plastic particles on nitrous oxide (N<sub>2</sub>O) release, as well as the intervention mechanisms in CWs. Here, we built a lab-scale wetland model and introduced plastic...journal article 2024
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Zhang, Lujing (author), Hu, Yuchen (author), Li, Peng (author), Wei, Renke (author), Pang, Hongtao (author), de Kreuk, M.K. (author), Qu, Shen (author), Lam, K.L. (author), van der Meer, Walter (author), Liu, G. (author)This study assessed the evolution of wastewater systems during the rapid urbanization of Beijing, with special focuses on the carbon footprints and growing underground WWTPs (u-WWTPs). Specifically, the Bishui plant (in situ constructed u-WWTP) was assessed in detail regarding eco-environmental benefits. Our results showed that, the direct...journal article 2024
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Zhao, Jian (author), Kang, Jin (author), Cao, Xiaofeng (author), Bian, Rui (author), Liu, G. (author), Hu, Shengchao (author), Wu, Xinghua (author), Li, Chong (author), Wang, Dianchang (author), Qi, Weixiao (author), Huang, Cunrui (author), Liu, Huijuan (author), Qu, Jiuhui (author)The first pandemic wave of coronavirus disease 2019 (COVID-19) induced a considerable increase in several antivirals and antibiotics in surface water. The common symptoms of COVID-19 are viral and bacterial infections, while comorbidities (e.g., hypertension and diabetes) and mental shock (e.g., insomnia and anxiety) are nonnegligible....journal article 2024
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Fang, Jiaxing (author), Dai, Zihan (author), Li, Xiaoming (author), van der Hoek, J.P. (author), Savić, Dragan (author), Medema, G.J. (author), van der Meer, Walter (author), Liu, G. (author)Biofilm detachment contributes to water quality deterioration. However, the contributions of biofilm detachment from different pipes have not been quantified or compared. Following the introduction of partial reverse osmosis (RO) in drinking water production, this study analyzed particles at customers’ ends and tracked their origins to water...journal article 2023
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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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- Qu, Jiuhui (author), Liu, Huijuan (author), Liu, G. (author) contribution to periodical 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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Chen, L. (author), Li, Xuan (author), van der Meer, Walter (author), Medema, G.J. (author), Liu, G. (author)The aperiodic changes in the quantity and community of planktonic and particle-associated bacteria have hampered the understanding and management of microbiological water quality in drinking water distribution systems. In this study, online sampling was combined with the microbial fingerprint-based SourceTracker2 to capture and trace the...journal article 2022
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Li, Jun (author), Ren, Anran (author), van der Mark, Ed (author), Liu, G. (author)Drinking water quality deteriorates from treatment plant to customer taps, especially in the plumbing system. There is no direct evidence about what the differences are contributed by plumbing system. This study compared the water quality in the water main and at customer tap by preparing a sampling tap on the water main. The biomass was...journal article 2022
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Zhai, Yujia (author), Liu, G. (author), van der Meer, Walter G.J. (author)The presence of newly emerging pollutants in the aquatic environment poses great challenges for drinking water treatment plants. Due to their low concentrations and unknown characteristics, emerging pollutants cannot be efficiently removed by conventional water treatment processes, making technically, economically, and environmentally...journal article 2022
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Chen, L. (author), Zhai, Y. (author), van der Mark, Ed (author), Liu, G. (author), van der Meer, Walter (author), Medema, G.J. (author)Slow sand filters (SSFs) are widely applied to treat potable water; the removal of contaminants (e.g., particles, organic matter, and microorganism) occurs primarily in the top layer. However, the development of the microbial community and its metabolic function is still poorly understood. In the present study, we analyzed the microbial...journal article 2021
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Ahmad, J.I. (author), Dignum, Marco (author), Liu, G. (author), Medema, G.J. (author), van der Hoek, J.P. (author)Drinking water distribution systems (DWDSs) have been thoroughly studied, but the concept of thermal energy recovery from DWDSs is very new and has been conceptualized in the past few years. Cold recovery results in a temperature increase of the drinking water. Its effects on drinking water quality and biofilm development are unclear. Hence, we...journal article 2021
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Xu, Yanghui (author), Ou, Q. (author), Jiao, Meng (author), Liu, G. (author), van der Hoek, J.P. (author)Nanoplastics (NPs) are currently considered an environmental pollutant of concern, but the actual extent of NP pollution in environmental water bodies remains unclear and there is not enough quantitative data to conduct proper risk assessments. In this study, a pretreatment method combining ultrafiltration (UF, 100 kDa) with hydrogen peroxide...journal article 2021
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Wu, Juan (author), Zhai, Y. (author), Liu, G. (author), Bosker, Thijs (author), Vijver, Martina G. (author), Peijnenburg, Willie J.G.M. (author)Assessment of chronic impact of metallic nanoparticles (NPs) in soil ecosystems is a necessity for ensuring safe and sustainable application. NPs affect plants and their associated microbial life, while the plants and their associated microbiota affect the NPs' fate. Here, we measured the available Ag pool (determined as...journal article 2021
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Ahmad, J.I. (author), Giorgi, Sara (author), Zlatanovic, L. (author), Liu, G. (author), van der Hoek, J.P. (author)Drinking water distribution networks (DWDNs) have a huge potential for cold thermal energy recovery (TED). TED can provide cooling for buildings and spaces with high cooling requirements as an alternative for traditional cooling, reduce usage of electricity or fossil fuel, and thus TED helps reduce greenhouse gas (GHG) emissions. There is no...journal article 2021