Searched for: author%3A%22van+Loosdrecht%2C+Mark+C.M.%22
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Nouri, Amir (author), Zinatizadeh, Ali Akbar (author), Zinadini, Sirus (author), van Loosdrecht, Mark C.M. (author)
This study focuses on the development of an air-lift bio-electrochemical reactor (ALBER) with a continuous feeding regime. The objective is to enhance nitrogen removal from synthetic wastewater with a low carbon-to-nitrogen (C/N) ratio. The chemical oxygen demand (COD) and total nitrogen (TN) of the influent wastewater were 500 and 200 mg/L,...
journal article 2024
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Moradi, N. (author), Lopez Vazquez, C.M. (author), Hernandez, Hector Garcia (author), Proskynitopoulou, Vera (author), Vouros, Anastasios (author), Garagounis, Ioannis (author), Lorentzou, Souzana (author), Brdjanovic, Damir (author), van Loosdrecht, Mark C.M. (author)
In recent decades, there has been a growing focus on the management and valorization of digestate, primarily driven by its nutrient-rich composition, which positions it as a promising resource for biofertilizer production. However, several countries still restrict the direct application of digestate due to its potential environmental hazard,...
journal article 2024
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Policastro, G. (author), Ebrahimi, S. (author), Weissbrodt, D.G. (author), Fabbricino, Massimiliano (author), van Loosdrecht, Mark C.M. (author)
A dual-growth-limited continuous operated bioreactor (chemostat) was used to enhance lipid accumulation in an enrichment culture of microalgae. The light intensity and nitrogen concentration where both limiting factors resulting in high lipid accumulation in the mixed culture. Both conditions of light and nitrogen excess and deficiency were...
journal article 2024
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Hülsen, Tim (author), Venturato, Daniel (author), Chan, Clement (author), Vandi, Luigi (author), Laycock, Bronwyn (author), Pratt, Steven (author), Stegman, Samuel (author), van Loosdrecht, Mark C.M. (author), Batstone, Damien J. (author)
Anoxygenic purple phototrophic bacteria (PPB) were utilised in an 80 L biofilm flat plate photobioreactor to generate polyhydroxyalkanoate (PHA) over 44 cycles, with acetate as feed. Over the cycles, net PHA yield (growth + accumulation) averaged 21% while accumulation yield averaged 55%. Average PHA content was 35 wt% volatile solids (VS),...
journal article 2024
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Páez Watson, T.W. (author), van Loosdrecht, Mark C.M. (author), Wahl, S.A. (author)
With the rapid growing availability of metagenome assembled genomes (MAGs) and associated metabolic models, the identification of metabolic potential in individual community members has become possible. However, the field still lacks an unbiassed systematic evaluation of the generated metagenomic information to uncover not only metabolic...
journal article 2024
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Chen, L.M. (author), Beck, Paula (author), van Ede, J.M. (author), Pronk, M. (author), van Loosdrecht, Mark C.M. (author), Lin, Y. (author)
Abstract: Anionic polymers, such as heparin, have been widely applied in the chemical and medical fields, particularly for binding proteins (e.g., fibroblast growth factor 2 (FGF-2) and histones). However, the current animal-based production of heparin brings great risks, including resource shortages and product contamination. Recently,...
journal article 2024
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Strubbe, Laurence (author), van Dijk, E.J.H. (author), Carrera, Paula (author), van Loosdrecht, Mark C.M. (author), Volcke, Eveline I.P. (author)
The aerobic granular sludge (AGS) process treats wastewater with a significantly lower footprint and energy consumption compared to conventional activated sludge systems. Nevertheless, there is still potential for optimizing its performance, and mathematical models are most valuable tools to this end. Aeration energy consumption deserves...
journal article 2024
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Surkatti, Riham (author), van Loosdrecht, Mark C.M. (author), Hussein, Ibnelwaleed A. (author), El-Naas, Muftah H. (author)
This study investigates the development of polyvinyl alcohol (PVA) gel matrices for biomass immobilization in wastewater treatment. The PVA hydrogels were prepared through a freezing–thawing (F-T) cross-linking process and reinforced with high surface area nanoparticles to improve their mechanical stability and porosity. The PVA/nanocomposite...
journal article 2024
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Doloman, Anna (author), de Bruin, S. (author), van Loosdrecht, Mark C.M. (author), Sousa, Diana Z. (author), Lin, Y. (author)
Glycans are crucial for the structure and function of anaerobic granular sludge in wastewater treatment. Yet, there is limited knowledge regarding the microorganisms and biosynthesis pathways responsible for glycan production. In this study, we analysed samples from anaerobic granular sludges treating papermill and brewery wastewater,...
journal article 2024
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Kosar, Sadiye (author), Isik, Onur (author), Cicekalan, Busra (author), Gulhan, Hazal (author), Cingoz, Seyma (author), Yoruk, Mustafa (author), Ozgun, Hale (author), van Loosdrecht, Mark C.M. (author), Ersahin, Mustafa Evren (author)
Achieving a neutral/positive energy balance without compromising discharge standards is one of the main goals of wastewater treatment plants (WWTPs) in terms of sustainability. Aerobic granular sludge (AGS) technology promises high treatment performance with low energy and footprint requirement. In this study, high-rate activated sludge (HRAS...
journal article 2023
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Strubbe, Laurence (author), van Dijk, E.J.H. (author), Deenekamp, Pascalle J.M. (author), van Loosdrecht, Mark C.M. (author), Volcke, Eveline I.P. (author)
In the pursuit of reducing carbon footprint and in view of increasing energy prices, energy efficiency is more important than ever before. Batch-wise operated aerobic granular sludge reactors consume up to 50% less energy compared to conventional activated sludge systems because pumping energy is reduced and mixing equipment is not needed....
journal article 2023
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Tsui, To Hung (author), van Loosdrecht, Mark C.M. (author), Dai, Yanjun (author), Tong, Yen Wah (author)
Biorefinery systems are playing pivotal roles in the technological support of resource efficiency for circular bioeconomy. Meanwhile, artificial intelligence presents great potential in handling scientific tasks of high-dimensional complexity. This review article scrutinizes the status of machine learning (ML) applications in four critical...
review 2023
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Wang, Xiangyang (author), Shi, Chen (author), Hao, Xiaodi (author), van Loosdrecht, Mark C.M. (author), Wu, Yuanyuan (author)
Wet-chemical approach is widely applied for phosphate recovery from incinerated ash of waste activated sludge (WAS), along with metals removed/recovered. The high contents of both aluminum (Al) and iron (Fe) in WAS-incinerated ash should be suitable for producing coagulants with some waste anions like Cl<sup>−</sup> and SO<sub>4</sub><sup>2−<...
journal article 2023
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Tomas Martinez, S. (author), Zwolsman, Erwin J. (author), Merlier, Franck (author), Pabst, Martin (author), Lin, Y. (author), van Loosdrecht, Mark C.M. (author), Weissbrodt, D.G. (author)
Polyphosphate accumulating organisms (PAOs) are responsible for enhanced biological phosphate removal (EBPR) from wastewater, where they grow embedded in a matrix of extracellular polymeric substances (EPS). EPSs comprise a mixture of biopolymers like polysaccharides or (glyco)proteins. Despite previous studies, little is known about the...
journal article 2023
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Pei, R. (author), Tarek-Bahgat, N. (author), van Loosdrecht, Mark C.M. (author), Kleerebezem, R. (author), Werker, A. (author)
Poly(3-hydroxybutyrate) (PHB) was accumulated in full-scale municipal waste activated sludge at pilot scale. After accumulation, the fate of the PHB-rich biomass was evaluated over two weeks as a function of initial pH (5.5, 7.0 and 10), and incubation temperature (25, 37 and 55 °C), with or without aeration. PHB became consumed under aerobic...
journal article 2023
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Ziliani, Agustina (author), Bovio-Winkler, Patricia (author), Cabezas, Angela (author), Etchebehere, Claudia (author), Garcia, Hector A. (author), López-Vázquez, Carlos M. (author), Brdjanovic, Damir (author), van Loosdrecht, Mark C.M. (author), Rubio-Rincón, Francisco J. (author)
Ca. Accumulibacter was the predominant microorganism (relative FISH bio-abundance of 67 ± 5%) in a lab-scale sequential batch reactor that accomplished enhanced biological phosphorus removal (EBPR) while using glucose and acetate as the carbon sources (1:1 COD-based ratio). Both organic compounds were completely anaerobically consumed. The...
journal article 2023
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Bahgat, T.M.S.M. (author), Wilfert, P.K. (author), Korving, Leon (author), van Loosdrecht, Mark C.M. (author)
The study evaluated the combined phosphorus, nitrogen, methane, and extracellular polymeric substances (EPS) recovery from aerobic granular sludge (AGS) wastewater treatment plants. About 30% of sludge organics are recovered as EPS and 25–30% as methane (≈260 ml methane/g VS) by integrating alkaline anaerobic digestion (AD). It was shown that...
journal article 2023
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Corbera Rubio, F. (author), Laureni, M. (author), Koudijs, N. (author), Müller, S. (author), van Alen, Theo (author), Schoonenberg, Frank (author), Lücker, Sebastian (author), Pabst, Martin (author), van Loosdrecht, Mark C.M. (author), van Halem, D. (author)
Rapid sand filters (RSF) are an established and widely applied technology for groundwater treatment. Yet, the underlying interwoven biological and physical-chemical reactions controlling the sequential removal of iron, ammonia and manganese remain poorly understood. To resolve the contribution and interactions between the individual reactions...
journal article 2023
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Haaksman, V.A. (author), Schouteren, M. (author), van Loosdrecht, Mark C.M. (author), Pronk, M. (author)
There is a growing interest to implement aerobic granular sludge (AGS) in existing conventional activated sludge (CAS) systems with a continuous flow-through configuration. The mode of anaerobic contact of raw sewage with the sludge is an important aspect in the adaptation of CAS systems to accommodate AGS. It remains unclear how the...
journal article 2023
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Calderon Franco, D. (author), Corbera Rubio, F. (author), Cuesta Sanz, M. (author), Pieterse, Brent (author), de Ridder, David (author), van Loosdrecht, Mark C.M. (author), van Halem, D. (author), Laureni, M. (author), Weissbrodt, D.G. (author)
Drinking water treatment plants (DWTPs) are designed to remove physical, chemical, and biological contaminants. However, until recently, the role of DWTPs in minimizing the cycling of antibiotic resistance determinants has got limited attention. In particular, the risk of selecting antibiotic-resistant bacteria (ARB) is largely overlooked in...
journal article 2023
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