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Mithaiwala, Hiteshree (author)In developing countries with increased industrialization, much research is carried out in order to recover the maximum ammonium from the environment. One of the methods to recover ammonium is Bipolar Membrane Electrodialysis (BPMED), a chemical-free technology that enables recovery and purification of the corresponding acid and base by the...master thesis 2024
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Papadopoulou, MARIANNA (author)Nutrient recovery has lately been a concerning topic regarding the environmental friendliness of it and the high availability of technologies. Ammonia is one of the main compounds in reject water that could be recovered and utilized further in the agricultural sector. Several methods have been found, including conventional electrodialysis, in...master thesis 2024
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Huang, Wenqing (author)The excessive nitrogen in waterbodies, often caused by the discharge of ammonia-rich wastewaters, leads to eutrophication, disrupting aquatic ecosystems. Wastewater treatment plants play an important role in the removal and recovery of nitrogen from wastewater streams, thereby preventing pollution. Air stripping in combination with acid...master thesis 2024
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Narayen, D. (author), VAN Berlo, E.M.C. (author), van Lier, J.B. (author), Spanjers, H. (author)Simulated ammonium sulfate scrubber effluent was treated using bipolar membrane electrodialysis (BPMED) to recover sulfuric acid for reuse in the scrubber, and ammonium hydroxide as a product, without using any chemicals. The effect of pH and temperature of the feed solution on the energy consumption of the BPMED and the purity of the...journal article 2024
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Kaniadakis, I. (author), van Lier, J.B. (author), Spanjers, H. (author)The removal of ammonium and ammonia, represented as total ammoniacal nitrogen (TAN), from reject water through electro-dialysis (ED) and bipolar membrane electrodialysis (BPMED) encounters challenges such as organic fouling, NH<sub>3</sub> back-diffusion, and high energy consumption. The efficacy of electrodialysis reversal (EDR) combined...journal article 2024
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Mithaiwala, Hiteshree (author)Removal of ammonium from simulated ammonium salt solutions was done using bipolar membrane electrodialysis (BPMED), without the use of chemicals. The effect of spacer thickness and open area on the overall energy consumption of BPMED to transport ammonium from the diluate was assessed in batch experiments. The electrochemical energy consumption...student report 2023
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Ansarul Huq, Fathaah (author)Climate change is a pressing global crisis with far-reaching consequences, demanding the rapid advancement of clean energy technologies and effective carbon capture methods to mitigate Carbon Dioxide (CO<sub>2</sub>) emissions. Carbon capture technologies offer a crucial pathway for capturing, storing, and reusing CO<sub>2</sub>, thus...master thesis 2023
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Baumgartner, L.M. (author)Electrochemical carbon dioxide reduction is a potential pathway to the sustainable production of hydrocarbon fuels and chemicals. This thesis explores the material science and reactor engineering of carbon dioxide electrolyzers.doctoral thesis 2023
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Baumgartner, L.M. (author), Kahn, A.P. (author), Hoogland, Maxime (author), Bleeker, J.J. (author), Jager, W.F. (author), Vermaas, D.A. (author)Electrochemical CO<sub>2</sub> reduction poses a promising pathway to produce hydrocarbon chemicals and fuels without relying on fossil fuels. Gas diffusion electrodes allow high selectivity for desired carbon products at high current density by ensuring a sufficient CO<sub>2</sub> mass transfer rate to the catalyst layer. In addition to CO...journal article 2023
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sharifian, rezvan (author), van der Wal, H. C. (author), Wagterveld, R. M. (author), Vermaas, D.A. (author)To assist reaching net-zero emissions, the dissolved carbon in the ocean can be extracted to enable an indirect air capture. An electrochemical bipolar membrane electrodialysis (BPMED) is a sustainable method for such capture. The BPMED enables a pH-swing that manipulates the oceanic carbonate-equilibrium using electricity. However, at...journal article 2023
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sharifian, rezvan (author)To mitigate climate change, carbon capture is necessary. In addition to the energy transition towards renewable sources and green house gasses emission reduction, CO2 capture from flue gas and its sinks, including air and the ocean, must be promoted. By 2030, in less than 8 years, the global carbon capture capacity must increase 100 × (from the...doctoral thesis 2022
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Kramer, Zino (author)This research aims to analyse the non-ohmic resistance of multiple ion-exchange membranes (IEM) in series, for a better understanding of membrane resistances. These membranes can be found in series in energy storage systems such as acid-base flow batteries (ABFB).<br/>The effect of different current densities on the ohmic and non-ohmic...master thesis 2022
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van Linden, N. (author)Ammonia (NH3) is one of world’s most-produced chemicals and is mostly used as a raw resource for fertilisers. From the used NH3-based fertilisers, almost half of the NH3 ends up in receiving water bodies, leading to eutrophication, eventually resulting in species diversity loss in the aquatic environment. To minimise environmental damage, total...doctoral thesis 2022
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Blommaert, M.A. (author)Electrochemistry can be a useful technology to enable the transition toward renewable energy sources and to prevent further climate change. Some electrochemical applications are already industrially implemented, like water electrolysers, while others, like CO2 reduction, need further development to be industrially competitive. Here, a bipolar...doctoral thesis 2021
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Tufa, Ramato Ashu (author), Blommaert, M.A. (author), Chanda, Debabrata (author), Li, Qingfeng (author), Vermaas, D.A. (author), Aili, David (author)Bipolar membranes (BPMs) are recently emerging as a promising material for application in advanced electrochemical energy systems such as (photo)electrochemical CO2 reduction and water splitting. BPMs exhibit a unique property to accelerate water dissociation and ionic separation that allows for maintaining a steady-state pH gradient in...review 2021
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sharifian, rezvan (author), Blommaert, M.A. (author), Bremer, M. (author), Wagterveld, R. M. (author), Vermaas, D.A. (author)The practical energy required for water dissociation reaction in bipolar membrane (BPM) is still substantially higher compared to the thermodynamic equivalent. This required energy is determined by the bipolar membrane voltage, consisting of (1) thermodynamic potential and (2) undesired voltage losses. Since the pH gradient over the BPM...journal article 2021
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Blommaert, M.A. (author), Subramanian, S.S. (author), Yang, K. (author), Smith, W.A. (author), Vermaas, D.A. (author)Typically, anion exchange membranes (AEMs) are used in CO2 electrolyzers, but those suffer from unwanted CO2 crossover, implying (indirect) energy consumption for generating an excess of CO2 feed and purification of the KOH anolyte. As an alternative, bipolar membranes (BPMs) have been suggested, which mitigate the reactant loss by...journal article 2021
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Blommaert, M.A. (author), Verdonk, J.A.H. (author), Blommaert, Hester C.B. (author), Smith, W.A. (author), Vermaas, D.A. (author)A bipolar membrane (BPM) can be used to accelerate water dissociation to maintain a pH gradient in electrochemical cells, providing freedom to independently optimize the environments and catalysts used for paired reduction and oxidation reactions. The two physical layers in a BPM, respectively, selective for the exchange of cations and anions...journal article 2020
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Pärnamäe, Ragne (author), Gurreri, Luigi (author), Post, Jan (author), van Egmond, Willem Johannes (author), Culcasi, Andrea (author), Saakes, Michel (author), Cen, Jiajun (author), Goosen, Emil (author), Vermaas, D.A. (author)The increasing share of renewables in electric grids nowadays causes a growing daily and seasonal mismatch between electricity generation and demand. In this regard, novel energy storage systems need to be developed, to allow large-scale storage of the excess electricity during low-demand time, and its distribution during peak demand time....journal article 2020
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Verdonk, Joost (author)Greenhouse gas concentrations are ever increasing in the Earth's atmosphere, causing the global temperature to have reached over a 1.0 degree Celsius increase relative to pre-industrial levels. A further increase in this temperature can have disastrous effects on our society, thus the increase in greenhouse gases must be attenuated....master thesis 2019
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