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Pustovarenko, Alexey (author), Seoane, Beatriz (author), Abou-Hamad, Edy (author), King, Helen E. (author), Weckhuysen, Bert M. (author), Kapteijn, F. (author), Gascon, Jorge (author)3D printing, also known as additive manufacturing technology, has greatly expanded across multiple sectors of technology replacing classical manufacturing methods by combining processing speed and high precision. The scientific interest in this technology lies in the ability to create solid architectures with customized shapes and...journal article 2021
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Franz, R.P.M. (author), Kühlewind, T.S. (author), Shterk, Genrikh (author), Abou-Hamad, Edy (author), Parastaev, Alexander (author), Uslamin, E. (author), Hensen, Emiel J M (author), Kapteijn, F. (author), Gascon, Jorge (author), Pidko, E.A. (author)Coke deposition is one of the main challenges in the commercialisation of dry reforming of methane oversupported Ni catalysts. Besides the coke quantity, the structure of the deposits is also essential for thecatalyst lifetime. Accordingly, in this study, we analysed the effect of Na, K, and Cs promoters on boththese variables over Ni...journal article 2020
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Etxeberria Benavides, M. (author), Johnson, Timothy (author), Cao, Shuai (author), Zornoza, Beatriz (author), Coronas, Joaquín (author), Liu, X. (author), Andres Garcia, E. (author), Kapteijn, F. (author), Gascon, Jorge (author)High performance and commercially attractive mixed-matrix membranes were developed for H<sub>2</sub>/CO<sub>2</sub> separation via a scalable hollow fiber spinning process. Thin (~300 nm) and defect-free selective layers were successfully created with a uniform distribution of the nanosized (~60 nm) zeolitic-imidazole framework (ZIF-8) filler...journal article 2020
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Vollmer, I. (author), Mondal, A. (author), Yarulina, I. (author), Abou-Hamad, Edy (author), Kapteijn, F. (author), Gascon, Jorge (author)The catalytic performance of the bifunctional catalyst Mo/HZSM-5 for methane dehydroaromatization (MDA) depends on the Mo dispersion and on zeolite acidity. Here we separately quantify the effect of dispersion and the effect of acidity on aromatic yields and coke selectivity. Also, the effect of porosity on the same is quantitatively...journal article 2019
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Poursaeidesfahani, A. (author), Andres Garcia, E. (author), de Lange, M.F. (author), Torres-Knoop, Ariana (author), Rigutto, Marcello (author), Nair, Nitish (author), Kapteijn, F. (author), Gascon, Jorge (author), Dubbeldam, D. (author), Vlugt, T.J.H. (author)A mathematical model is used to predict adsorption isotherms from experimentally measured breakthrough curves. Using this approach, by performing only breakthrough experiments for a mixture of two (or more) components, one can obtain pure component adsorption isotherms up to the pressure of the experiment. As a case study, the adsorption of...journal article 2019
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Andres Garcia, E. (author), Dikhtiarenko, Alla (author), Fauth, Francois (author), Silvestre-Albero, Joaquin (author), Ramos-Fernández, Enrique V. (author), Gascon, Jorge (author), Corma, Avelino (author), Kapteijn, F. (author)Clathrates are well-known compounds whose low thermal stability makes them extremely rare and appreciated. Although their formation mechanism is still surrounded by many uncertainties, these ice-like structures have the potential to be an alternative for transport and storage of different gases, especially methane. For the formation of...journal article 2019
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Andres Garcia, E. (author), López-Cabrelles, Javier (author), Oar-Arteta Gonzalez, L. (author), Roldan Martinez, B. (author), Cano Padilla, M. (author), Gascon, Jorge (author), Mínguez Espallargas, Guillermo (author), Kapteijn, F. (author)Separation of propylene/propane is one of the most challenging and energy consuming processes in the chemical industry. Propylene demand is increasing and a 99.5% purity is required for industrial purposes. Adsorption based solutions are the most promising alternatives to improve the economical/energetic efficiency of the process. Zeolitic...journal article 2019
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Shan, M. (author), Liu, X. (author), Wang, X. (author), Liu, Z. (author), Iziyi, H. (author), Ganapathy, S. (author), Gascon, Jorge (author), Kapteijn, F. (author)Membranes with high selectivity and permeance are needed to reduce energy consumption in hydrogen purification and pre-combustion CO <sub>2</sub> capture. Polybenzimidazole (PBI) is one of the leading membrane materials for this separation. In this study, we present superior novel supported PBI (poly(p-phenylene benzobisimidazole), PBDI)...journal article 2019
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Wang, R. (author), Kapteijn, F. (author), Gascon, Jorge (author)The electrochemical reduction of CO<sub>2</sub> holds great promise for lowering the concentration of CO<sub>2</sub> in the Earth′s atmosphere. However, several challenges have hindered the commercialization of this technology, including energy efficiency, the solubility of CO<sub>2</sub> in the aqueous phase, and electrode stability. In this...review 2019
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Sun, X. (author), Wang, R. (author), Ould-Chikh, Samy (author), Osadchii, D. (author), Li, G. (author), Aguilar, Antonio (author), Hazemann, Jean louis (author), Kapteijn, F. (author), Gascon, Jorge (author)Mesoporous nitrogen-doped carbon nanoparticles with atomically dispersed iron sites (named mesoNC-Fe) are synthesized via high-temperature pyrolysis of an Fe containing ZIF-8 MOF. Hydrolysis of tetramethyl orthosilicate (TMOS) in the MOF framework prior to pyrolysis plays an essential role in maintaining a high surface area during the...journal article 2019
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Wang, R. (author), Haspel, Henrik (author), Pustovarenko, Alexey (author), Dikhtiarenko, A. (author), Osadchii, D. (author), Ma, M. (author), Smith, W.A. (author), Kapteijn, F. (author), Gascon, Jorge (author)We report the preparation and electrocatalytic performance of silver-containing gas diffusion electrodes (GDEs) derived from a silver coordination polymer (Ag-CP). Layer-by-layer growth of the Ag-CP onto porous supports was applied to control Ag loading. Subsequent electro-decomposition of the Ag-CP resulted in highly selective and efficient...journal article 2019
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Etxeberria Benavides, M. (author), Karvan, Oguz (author), Kapteijn, F. (author), Gascon, Jorge (author), David, Oana (author)The elimination of the additional defect healing post‐treatment step in asymmetric hollow fiber manufacturing would result in a significant reduction in membrane production cost. However, obtaining integrally skinned polymeric asymmetric hollow fiber membranes with an ultrathin and defect‐free selective layer is quite challenging. In this...journal article 2019
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Vollmer, I. (author), Kosinov, N. (author), Szécsényi, Ágnes (author), Li, G. (author), Yarulina, I. (author), Abou-Hamad, Edy (author), Gurinov, Andrei (author), Ould-Chikh, Samy (author), Aguilar-Tapia, Antonio (author), Hazemann, Jean Louis (author), Pidko, E.A. (author), Hensen, Emiel (author), Kapteijn, F. (author), Gascon, Jorge (author)The active sites on the methane dehydroaromatization (MDA) catalyst Mo/HZSM-5 are very hard to characterize, because they are present in various geometries and sizes and only form under reaction conditions with methane at 700 °C. To address these issues an experimental strategy is presented that enables distinguishing different active sites...journal article 2019
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Liu, X. (author), Wang, X. (author), Bavykina, A.V. (author), Chu, L. (author), Shan, M. (author), Sabetghadam, Anahid (author), Miro, H. (author), Kapteijn, F. (author), Gascon, Jorge (author)The preparation and the performance of mixed matrix membranes based on metal-organic polyhedra (MOPs) are reported. MOP fillers can be dispersed as discrete molecular units (average 9 nm in diameter) when low filler cargos are used. In spite of the low doping amount (1.6 wt %), a large performance enhancement in permeability, aging resistance...journal article 2018
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Wang, R. (author), Sun, X. (author), Ould-Chikh, Samy (author), Osadchii, D. (author), Bai, F. (author), Kapteijn, F. (author), Gascon, Jorge (author)A nitrogen-doped carbon was synthesized through the pyrolysis of the well-known metal-organic framework ZIF-8, followed by a subsequent acid treatment, and has been applied as a catalyst in the electrochemical reduction of carbon dioxide. The resulting electrode shows Faradaic efficiencies to carbon monoxide as high as ∼78%, with hydrogen...journal article 2018
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Etxeberria Benavides, M. (author), David, Oana (author), Johnson, Timothy (author), Łozińska, Magdalena M. (author), Orsi, Angelica (author), Wright, Paul A. (author), Mastel, Stefan (author), Hillenbrand, Rainer (author), Kapteijn, F. (author), Gascon, Jorge (author)Carbon capture and storage (CCS) using membranes for the separation of CO<sub>2</sub> holds great promise for the reduction of atmospheric CO<sub>2</sub> emissions from fuel combustion and industrial processes. Among the different process outlines, post-combustion CO<sub>2</sub> capture could be easily implemented in existing power plants....journal article 2018
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Goetze, Joris (author), Yarulina, I. (author), Gascon, Jorge (author), Kapteijn, F. (author), Weckhuysen, Bert M. (author)In small-pore zeolite catalysts, where the size of the pores is limited by eight-ring windows, aromatic hydrocarbon pool molecules that are formed inside the zeolite during the Methanol-to-Olefins (MTO) process cannot exit the pores and are retained inside the catalyst. Hydrocarbon species whose size is comparable to the size of the zeolite...journal article 2018
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Vollmer, I. (author), Yarulina, I. (author), Kapteijn, F. (author), Gascon, Jorge (author)To secure future supply of aromatics, methane is a commercially interesting alternative feedstock. Direct conversion of methane into aromatics combines the challenge of activating one of the strongest C-H bonds in all hydrocarbons with the selective aromatization over zeolites. To address these challenges, smart catalyst and process design...journal article 2018
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Shan, M. (author), Liu, X. (author), Wang, X. (author), Yarulina, I. (author), Seoane, Beatriz (author), Kapteijn, F. (author), Gascon, Jorge (author)The development of new membranes with high H<sub>2</sub> separation performance under industrially relevant conditions (high temperatures and pressures) is of primary importance. For instance, these membranes may facilitate the implementation of energy-efficient precombustion CO<sub>2</sub> capture or reduce energy intensity in other...journal article 2018
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Vollmer, I. (author), van der Linden, B. (author), Ould-Chikh, Samy (author), Aguilar-Tapia, Antonio (author), Yarulina, I. (author), Abou-Hamad, Edy (author), Sneider, Yuri G. (author), Olivos Suarez, A.I. (author), Hazemann, Jean-Louis (author), Kapteijn, F. (author), Gascon, Jorge (author)The mechanism of methane activation on Mo/HZSM-5 is not yet fully understood, despite the great interest in methane dehydroaromatization (MDA) to replace aromatics production in oil refineries. It is difficult to assess the exact nature of the active site due to fast coking. By pre-carburizing Mo/HZSM-5 with carbon monoxide (CO), the MDA active...journal article 2018