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Pei, R. (author), Estevez Alonso, A. (author), Ortiz-Seco, Laura (author), van Loosdrecht, Mark C.M. (author), Kleerebezem, R. (author), Werker, A. (author)Municipal activated sludge can be used for polyhydroxyalkanoate (PHA) production, when supplied with volatile fatty acids. In this work, standardized PHA accumulation assays were performed with different activated sludge to determine (1) the maximum biomass PHA content, (2) the degree of enrichment (or volume-to-volume ratio of PHA...journal article 2022
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Nativio, A. (author), Kapelan, Z. (author), van der Hoek, J.P. (author)Bio-composite materials made from resources recovered from the water cycle are the future of the holistic approach towards sustainable wastewater treatment. The raw ingredients for these materials are coming from contaminated sources such as wastewater resources, water plants from surface water etc.. Thus, different risks like human health,...review 2022
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Bhambhani, A. (author), van der Hoek, J.P. (author), Kapelan, Z. (author)Resource recovery solutions are an essential part of a sustainable water sector. Sustainability of these solutions needs to be analysed to assess, compare and optimize them. Life Cycle Sustainability Assessment (LCSA) is the most commonly used framework for sustainability assessment. This review paper discusses three critical characteristics of...journal article 2022
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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
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Palmeros Parada, M.D.M. (author), Kehrein, P.A. (author), Xevgenos, Dimitris (author), Asveld, L. (author), Osseweijer, P. (author)The recovery of resources, including water reuse, has been presented as a solution to overcome scarcity, and improve the economic and environmental performance of water provision and treatment. However, its implementation faces non-technical challenges, including the need to collaborate with new stakeholders and face societal acceptance...review 2022
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Cerruti, M. (author), Kim, J.H. (author), Pabst, Martin (author), van Loosdrecht, Mark C.M. (author), Weissbrodt, D.G. (author)Purple bacteria (PPB), anoxygenic photoorganoheterotrophic organisms with a hyper-versatile metabolism and high biomass yields over substrate, are promising candidates for the recovery of nutrient resources from wastewater. Infrared light is a pivotal parameter to control and design PPB-based resource recovery. However, the effects of light...journal article 2022
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Goedhart, Roos (author)The removal of iron from groundwater is essential to avoid aesthetic issues of the produced drinking water and to reduce maintenance cost of the system. The most applied iron removal method of oxidation and filtration produces large volumes of aqueous iron sludge of little value and the method is more likely to fail at high iron concentrations....master thesis 2021
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Saadabadi, S.A. (author), van Linden, N. (author), Heinsbroek, Abel (author), Aravind, P.V. (author)This study investigates the feasibility of electricity production in a solid oxide fuel cell using methane recovered from groundwater as the fuel. Methane must be removed from groundwater for the production of drinking water to, amongst others, avoid bacterial regrowth. Instead of releasing methane to the atmosphere or converting it to carbon...journal article 2021
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Pereira Espíndola, S. (author), Pronk, M. (author), Zlopasa, J. (author), Picken, S.J. (author), van Loosdrecht, Mark C.M. (author)Wastewater solids could be an attractive source of secondary raw cellulose, mainly originating from toilet paper. Cellulose can be recovered through sieving of raw wastewater, return sludge, or excess sludge. In particular, a large fraction of cellulose (13–15%) can be found in the excess sludge of the aerobic granular sludge produced by the...journal article 2021
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Kocbek, E. (author), Garcia, H. (author), Hooijmans, Christine M. (author), Mijatović, Ivan (author), Al-Addous, Mohammad (author), Dalala, Zakariya (author), Brdjanovic, Damir (author)The provision of effective sanitation strategies has a significant impact on public health. However, the treatment of septic sludge still presents some challenges worldwide. Consequently, innovative technologies capable of an effective and efficient sludge treatment, mostly at a decentralized level, are in high demand to improve sanitation...journal article 2021
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Deng, Z. (author), van Linden, N. (author), Guillen, Elena (author), Spanjers, H. (author), van Lier, J.B. (author)Total ammoniacal nitrogen (TAN) is considered to be a pollutant, but is also a versatile resource. This review presents an overview of the TAN recovery potentials from nitrogen (N)-loaded residual streams by discussing the sources, recovery technologies and potential applications. The first section of the review addresses the fate of TAN...review 2021
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Estevez Alonso, A. (author), Pei, R. (author), van Loosdrecht, Mark C.M. (author), Kleerebezem, R. (author), Werker, A. (author)Conversion of organic waste and wastewater to polyhydroxyalkanoates (PHAs) offers a potential to recover valuable resources from organic waste. Microbial community-based PHA production systems have been successfully applied in the last decade at lab- and pilot-scales, with a total of 19 pilot installations reported in the scientific...review 2021
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Tamis, J. (author), Joosse, B.M. (author), de Leeuw, K.D. (author), Kleerebezem, R. (author)In this study, we investigated the operational performance and product spectrum of glucose-fermenting anaerobic granular sludge reactor at pH 4. A selective environment for the growth of granules was implemented by the introduction of a 2 min settling phase, a hydraulic retention time of 6 h and a solid retention time of 12 ± 3 days. The...journal article 2021
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Apostolidou, Elisavet (author)The transition towards sustainable and resource efficient urban water systems is a major challenge nowadays. To meet the high demands of urban life resources need to be efficiently used and resource recovery from generated “waste” streams should become a “new normal”. Water and wastewater can provide an alternative and environmentally viable...master thesis 2020
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Wahaab, Rifaat Abdel (author), Mahmoud, Mohamed (author), van Lier, J.B. (author)Over the past 4 decades, the increasing amounts of excess sludge from municipal wastewater treatment plants (WWTPs) represent a challenge toward achieving the sustainability of the drinking water and sanitation sector in Egypt, resulting in a serious environmental pollution due to the uncontrolled use of non-stabilized sludge. Here, we report a...journal article 2020
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Kehrein, P.A. (author), van Loosdrecht, Mark C.M. (author), Osseweijer, P. (author), Posada Duque, J.A. (author), Dewulf, Jo (author)This paper guides decision making in more sustainable urban water management practices that feed into a circular economy by presenting a novel framework for conceptually designing and strategically planning wastewater treatment processes from a resource recovery perspective. Municipal wastewater cannot any longer be perceived as waste stream...journal article 2020
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Cerruti, M. (author), Stevens, B. (author), Ebrahimi, S. (author), Alloul, A. (author), Vlaeminck, Siegfried E. (author), Weissbrodt, D.G. (author)Mixed-culture biotechnologies are widely used to capture nutrients from wastewater. Purple non-sulfur bacteria (PNSB), a guild of anoxygenic photomixotrophic organisms, rise interest for their ability to directly assimilate nutrients in the biomass. One challenge targets the aggregation and accumulation of PNSB biomass to separate it from the...journal article 2020
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De Vrieze, Jo (author), Verbeeck, Kristof (author), Pikaar, Ilje (author), Boere, Jos (author), van Wijk, A.J.M. (author), Rabaey, Korneel (author), Verstraete, Willy (author)The carrying capacity of the planet is being exceeded, and there is an urgent need to bring forward revolutionary approaches, particularly in terms of energy supply, carbon emissions and nitrogen inputs into the biosphere. Hydrogen gas, generated by means of renewable energy through water electrolysis, can be a platform molecule to drive the...journal article 2020
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Lindeboom, R.E.F. (author), De Paepe, J. (author), Vanoppen, M. (author), Alonso-Fariñas, B. (author), Coessens, W. (author), Alloul, A. (author), Christiaens, M. E.R. (author), Dotremont, C. (author), Beckers, H. (author), Lamaze, B. (author), Demey, D. (author), Clauwaert, P. (author), Verliefde, A. R.D. (author), Vlaeminck, S. E. (author)Long-term human Space missions will rely on regenerative life support as resupply of water, oxygen and food comes with constraints. The International Space Station (ISS) relies on an evaporation/condensation system to recover 74–85% of the water in urine, yet suffers from repetitive scaling and biofouling while employing hazardous chemicals....journal article 2020
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Chang, Kelly (author)Biogas is the well-known product of Anaerobic Digestion (AD), but nowadays, the intermediate products (volatile fatty acids - VFAs) of anaerobic metabolism have gained increasing attention inside the “carboxylate platform”. However, steering and optimizing the process for selective metabolite production is still an unraveled task inside this...master thesis 2019