Searched for: subject%3A%22Mass%255C%2Btransfer%22
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Pérez Gallent, E. (author), Sánchez Martínez, C. (author), Geers, L.F.G. (author), Turk, S. (author), Latsuzbaia, R. (author), Goetheer, E.L.V. (author)
Electrochemical processes are a promising technology for industrial production of chemicals. One of the major drawbacks of electrochemical systems is the low mass transfer of reactants toward the active surface area of the electrode. In this paper, an approach is presented to enhance the mass transfer and increase the overall performance of the...
article 2020
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Miksys, J. (author), Arutinov, G. (author), Römer, G.R.B.E. (author)
Silver nanoparticle inks are among the key functional materials used in printed electronics. Depositing it by laser-induced forward transfer remains a challenging task because the non-linear rheological nature of these inks narrows the range of the laser processing parameters. Understanding, therefore, the influence of the laser parameters on...
article 2019
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Keulen, L. (author), van der Ham, L.V. (author), Kuipers, N.J.M. (author), Hanemaaijer, J.H. (author), Vlugt, T.J.H. (author), Kjelstrup, S. (author)
Membrane distillation is an attractive technology for production of fresh water from seawater. The MemPower® concept, studied in this work, uses available heat (86 °C) to produce pressurized water (2.2 bar and 46 °C) by membrane distillation, which again can be used to power a turbine for co-production of electricity. We develop a non...
article 2017
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Belfroid, S.P.C. (author), van Wijhe, A. (author)
Liquid loading is the mechanism that is associated with increased liquid hold-up and liquid back flow at lower gas flow rates in gas production wells. In laboratory, most liquid loading experiments are performed at fixed gas and liquid rates (mass flow controlled). In the field, the well behavior is a coupled well-reservoir system in which the...
conference paper 2017
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Könst, P.M. (author), Hernandez Mireles, I. (author), van der Stel, R.W. (author), van Os, P.M (author), Goetheer, E.L.V. (author)
In view of its promise as sustainable process for CO2 capture and its potential in the production of feed, food and natural high value products such as omega-3 fatty acids and anti-oxidants such as astaxanthin, large scale algae cultivation is gaining commercial interest. Currently, most systems are based on directly contacting CO2 containing...
article 2017
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van der Ham, L.V. (author), Khakharia, P.M. (author), Goetheer, E.L.V. (author)
A novel type of separating heat exchanger, called a heat-integrated liquid-desorption exchanger (HILDE), applied to a typical CO2 desorption process, has been investigated both numerically and experimentally. Process simulations, hydrodynamic and mass transfer experiments, and a preliminary cost evaluation have been used to compare HILDE to the...
conference paper 2016
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Bogerd, C.P. (author), Aerts, J.M. (author), Annaheim, S. (author), Bröde, P. (author), de Bruyne, G. (author), Flouris, A.D. (author), Kuklane, K. (author), Sotto Mayor, T. (author), Rossi, R.M. (author)
The thermal effects related to wearing headgear are complex and different studies have investigated single parts of this topic. This review aims at summarizing the different findings to give a complete overview on this topic as well as to suggest new perspectives. Headgear increases head insulation and therefore is mainly problematic under warm...
article 2015
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Rodriguez-Illera, M. (author), Boon, M.A. (author), Boom, R.M. (author), Janssen, A.E.M. (author)
We present guidelines for the configuration of industrial scale chromatographic separationof small molecules. We compared the performance of different axial packed beds, chan-neled monoliths and a continuous monolith assuming silica as base material. The calculatedmass transfer rates were used to calculate the height of a theoretical plate (HETP...
article 2015
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Volkov, A.V. (author), Tsarkov, S.E. (author), Goetheer, E.L.V. (author), Volkov, V.V. (author)
Asymmetric flat-sheet membranes made of poly(vinyltrimethylsilane) (PVTMS) were studied for the regeneration of amine-based absorption solvents in a membrane gas-liquid contactor at 100°C. It was shown that PVTMS membrane possesses good mechanical and chemical stability in contact with 4 M monoethanolamine (MEA) and 2 M potassium taurate (PT)...
article 2015
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Ambesi, D. (author), Kleijn, C.R. (author), den Hartog, E.A. (author), Bouma, R.H.B. (author), Brasser, P. (author)
In chemical, biological, radiological, and nuclear protective clothing, a layer of activated carbon material in between two textile layers provides protection against hazardous gases. A cylinder in cross flow, sheathed by such material, is generally used to experimentally test the garment properties. This is, however, complicated and predictive...
article 2014
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Gwanpua, S.G. (author), Verboven, P. (author), Brown, T. (author), Leducq, D. (author), Verlinden, B.E. (author), Evans, J. (author), Van Der Sluis, S. (author), Wissink, E.B. (author), Taoukis, P. (author), Gogou, E. (author), Stahl, V. (author), El Jabri, M. (author), Thuault, D. (author), Claussen, I. (author), Indergård, E. (author), Nicolai, B.M. (author), Alvarez, G. (author), Geeraerd, A.H. (author)
Quantification of the impact of refrigeration technologies in terms of the quality of refrigerated food, energy usage, and environmental impact is essential to assess cold chain sustainability. In this paper, we present a software tool QEEAT (Quality, Energy and Environmental Assessment Tool) for evaluating refrigeration technologies. As a...
conference paper 2014
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Jansen, A.E. (author), Assink, J.W. (author), Hanemaaijer, J.H. (author), van Medevoort, J. (author), van Sonsbeek, E. (author)
Membrane distillation is an attractive technology for extracting fresh water from seawater. Newly developed modules have been used in pilot tests and bench scale tests to demonstrate the potential of producing excellent product water quality in a single step, little need for water pretreatment and a thermal energy requirement of approximately...
article 2013
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Heerema, L. (author), Wierckx, N. (author), Roelands, C.P.M. (author), Hanemaaijer, J.H. (author), Goetheer, E.L.V. (author), Verdoes, D. (author), Keurentjes, J. (author)
In situ phenol pertraction with 1-octanol has been experimentally studied to improve the production of the model component phenol by a recombinant strain of Pseudomonas putida S12. When the phenol concentration in the reactor reaches 2mM, the cells in fermentations without phenol removal are inhibited in growth and phenol production. Growth and...
article 2011
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de Weert, J. (author), Streminska, M. (author), Hua, D. (author), Grotenhuis, T. (author), Langenhoff, A. (author), Rijnaarts, H. (author), TNO Bouw en Ondergrond (author)
Purpose: Sediments can function as secondary source for water pollution of aerobically biodegradable non-halogenated organic compounds, which are persistent in anaerobic sediments. The mass transfer of compounds from sediment to bulk water depends on hydraulic conditions. In this study, desorption, mass transfer and biodegradation are...
article 2009
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Veldman, D. (author), Ipek, Ö. (author), Meskers, S.C.J. (author), Sweelssen, J. (author), Koetse, M.M. (author), Veenstra, S.C. (author), Kroon, J.M. (author), van Bavel, S.S. (author), Loos, J. (author), Janssen, R.A.J. (author), TNO Industrie en Techniek (author)
The electro-optical properties of thin films of electron donor-acceptor blends of a fluorene copolymer (PF10TBT) and a fullerene derivative (PCBM) were studied. Transmission electron microscopy shows that in these films nanocrystalline PCBM clusters are formed at high PCBM content. For all concentrations, a charge transfer (CT) transition is...
article 2008
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van der Voort, M.M. (author), van Doormaal, J.C.A.M. (author), Verolme, E.K. (author), Weerheijm, J. (author), TNO Defensie en Veiligheid (author)
A deterministic model has been developed that describes the throw of debris or fragments from a source with an arbitrary geometry and for arbitrary initial conditions. The initial conditions are defined by the distributions of mass, launch velocity and launch direction. The item density in an exposed area, i.e. the number of impacting debris or...
article 2008
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TNO Kwaliteit van Leven (author), Prenafeta-Boldú, F.X. (author), Illa, J. (author), van Groenestijn, J.W. (author), Flotats, X. (author)
The biodegradation of toluene was studied in two lab-scale air biofilters operated in parallel, packed respectively with perlite granules (PEG) and polyurethane foam cubes (PUC) and inoculated with the same toluene-degrading fungus. Differences on the material pore size, from micrometres in PEG to millimetres in PUC, were responsible for...
article 2008
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TNO Industrie en Techniek (author), van Limpt, J.A.C. (author), Beerkens, R.G.C. (author), Verheijen, O. (author)
Universal simulation models based on (a) validated mass transfer relations and (b) thennodynainic modeling procedures for glass melts are developed to predict the evaporation rates of volatile species from a large range of glass melt compositions. Depending on the glass composition, temperature of the surface of the melt, local composition of...
article 2006
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van Limpt, J.A.C. (author), Beerkens, R.G.C. (author), Lankhorst, A.M. (author), Habraken, A. (author), TNO Industrie en Techniek (author)
Transpiration evaporation experiments are often used to study evaporation kinetics from liquids or melts. The mass transport of volatile species in a transpiration experiment depends among others on the flow conditions of the carrier gas in the tube and on the geometrical configuration. For a transpiration test set-up, CFD modelling showed to be...
article 2005
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Papaspyrides, C.D. (author), Voultzatis, Y. (author), Pavlidou, S. (author), Tsenoglou, C. (author), Dole, P. (author), Feigenbaum, A. (author), Paseiro, P. (author), Pastorelli, S. (author), de la Cruz Garcia, C. (author), Hankemeier, T. (author), Aucejo, S. (author), TNO Kwaliteit van Leven (author)
A new experimental procedure for incorporation of model contaminants in polymers was developed as part of a general scheme for testing the efficiency of functional barriers in food packaging. The aim was to progressively pollute polymers in a controlled fashion up to a high level in the range of 1000 ppm and use them as input for the core layer...
article 2005
Searched for: subject%3A%22Mass%255C%2Btransfer%22
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