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Velasquez Posada, Sofia (author)This study explores the potential use of extracellular polymeric substances (EPS), commercially known as Kaumera Nereda Gum®, extracted from aerobic granular sludge (AGS), for foliar fertilization in agriculture. Koppert, a company specializing in sustainable agricultural products, is interested in using Kaumera Nereda Gum® for its...master thesis 2023
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Li, Linghang (author)Aerobic granular sludge (AGS) is an innovative biotechnology extensively applied for treating municipal wastewater, and it can potentially treat sugar industry wastewater. Glucose is a prevalent substrate in sugar industry wastewater; nevertheless, the effect of glucose on AGS systems remains unexplored. In this study, an AGS reactor using...master thesis 2023
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Li, Linghang (author)Poly-hydroxy-alkanoate (PHA) is an intracellular polymer that can be used as an energy and carbon source by microorganisms. Measuring PHA is important for understanding the microbial metabolism of enhanced biological phosphorus removal (EBPR) and aerobic granular sludge (AGS) systems. There is a commonly used method to measure PHA, which is...student report 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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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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Trebuch, Lukas M. (author), Sohier, Jasper (author), Altenburg, Sido (author), Oyserman, Ben O. (author), Pronk, M. (author), Janssen, Marcel (author), Vet, Louise E.M. (author), Wijffels, René H. (author), Fernandes, Tânia V. (author)Photogranules are a novel wastewater treatment technology that can utilize the sun's energy to treat water with lower energy input and have great potential for nutrient recovery applications. They have been proven to efficiently remove nitrogen and carbon but show lower conversion rates for phosphorus compared to established treatment systems...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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Elahinik, A. (author), Li, L. (author), Pabst, Martin (author), Abbas, B.A. (author), Xevgenos, Dimitris (author), van Loosdrecht, Mark C.M. (author), Pronk, M. (author)Enhanced biological phosphate removal and aerobic sludge granulation are commonly studied with fatty acids as substrate. Fermentative substrates such as glucose have received limited attention. In this work, glucose conversion by aerobic granular sludge and its impact on phosphate removal was studied. Long-term stable phosphate removal and...journal article 2023
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Kleikamp, H.B.C. (author), Grouzdev, Denis (author), - Schaasberg, P. (author), van Valderen, R.D. (author), van der Zwaan, R. (author), van de Wijgaart, R. (author), Lin, Y. (author), Abbas, B.A. (author), Pronk, M. (author), van Loosdrecht, Mark C.M. (author), Pabst, Martin (author)The tremendous progress in sequencing technologies has made DNA sequencing routine for microbiome studies. Additionally, advances in mass spectrometric techniques have extended conventional proteomics into the field of microbial ecology. However, systematic studies that provide a better understanding of the complementary nature of these ...journal article 2023
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Ali, Muhammad (author), Singh, Yogesh (author), Fortunato, Luca (author), Rehman, Zahid Ur (author), Manjunath, Sarvajith (author), Vrouwenvelder, J.S. (author), Pronk, M. (author), van Loosdrecht, Mark C.M. (author), Saikaly, Pascal E. (author)This study describes a novel integration of aerobic granular sludge (AGS) with a gravity-driven membrane (GDM) system at a pilot scale with a treatment capacity of approximately 150 L per day to treat raw domestic wastewater. The treatment performance and energy consumption of the AGS-GDM system were compared to the neighboring full-scale...journal article 2023
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Li, Zejiao (author), Wang, Jixiang (author), Liu, Jialin (author), Chen, Xingyu (author), Lei, Zhongfang (author), Yuan, Tian (author), Lee, Duu Jong (author), Lin, Y. (author), van Loosdrecht, Mark C.M. (author)Reducing CO<sub>2</sub> emission and energy consumption is crucial for the sustainable management of wastewater treatment plants (WWTPs). In this study, an algal-bacterial aerobic granular sludge (AGS) system was developed for efficient carbon (C) assimilation and nitrogen (N)/phosphorus (P) removal without the need for mechanical aeration....journal article 2023
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- van Dijk, E.J.H. (author) doctoral thesis 2022
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Ek, Sovannmonica (author)Pulp and paper industries are water-intensive industries and composed of complex production processes. Untreated pulping wastewater is very toxic and lethal to aquatic life if discharged untreated. Anaerobic treatment technology has gained interest in treating these types of wastewater by reducing organic compounds. This thesis research aimed to...master thesis 2022
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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
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Kleikamp, H.B.C. (author)The large unexplored space of microbial biodiversity forms a well of untapped potential of enzymes and bioactive compounds. Genomic methods have made significant improvements over the past decades in their analysis of microbial communities. However, several aspects of nature can’t be described by a genome alone, such as expressed functions in...doctoral thesis 2022
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van den Berg, L. (author), Toja Ortega, S. (author), van Loosdrecht, Mark C.M. (author), de Kreuk, M.K. (author)Aerobic granular sludge (AGS) is an advanced biofilm-based technology for wastewater treatment. Diffusion of substrates into the granules is a key aspect of this technology. Domestic wastewater contains soluble organic substrates of different sizes that could potentially diffuse into the granules. In this study, the relation between the...journal article 2022
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Toja Ortega, S. (author), van den Berg, L. (author), Pronk, M. (author), de Kreuk, M.K. (author)In aerobic granular sludge (AGS) reactors, granules of different sizes coexist in a single reactor. Their differences in settling behaviour cause stratification in the settled granule bed. In combination with substrate concentration gradients over the reactor height during the anaerobic plug-flow feeding regime, this can result in functional...journal article 2022
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van Dijk, E.J.H. (author), Haaksman, V.A. (author), van Loosdrecht, Mark C.M. (author), Pronk, M. (author)In this study a mathematical framework was developed to describe aerobic granulation based on 6 main mechanisms: microbial selection, selective wasting, maximizing transport of substrate into the biofilm, selective feeding, substrate type and breakage. A numerical model was developed using four main components; a 1D convection/dispersion...journal article 2022
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van den Berg, L. (author), Pronk, M. (author), van Loosdrecht, Mark C.M. (author), de Kreuk, M.K. (author)Granular sludge processes are frequently used in domestic and industrial wastewater treatment. The granule buoyant density and biomass density are important parameters for the design and operation of granular sludge reactors. Different methods to measure the granule density include the pycnometer method, the Percoll density gradient method,...journal article 2022
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Chen, Xingyu (author), Lee, Yu Jen (author), Yuan, Tian (author), Lei, Zhongfang (author), Adachi, Yasuhisa (author), Zhang, Zhenya (author), Lin, Y. (author), van Loosdrecht, Mark C.M. (author)A reasonable recovery of excess sludge may shift the waste into wealth. Recently an increasing attention has been paid to the recycling of extracellular biopolymers from conventional and advanced biological wastewater treatment systems such as flocculent activated sludge (AS), bacterial aerobic granular sludge (AGS), and algal-bacterial AGS...review 2022