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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wood, Joseph
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Anisole hydrodeoxygenation over nickel-based catalystscitations
- 20213D printed re-entrant cavity resonator for complex permittivity measurement of crude oilscitations
- 2020Mild-temperature hydrodeoxygenation of vanillin a typical bio-oil model compound to creosol a potential future biofuelcitations
- 2020Maximizing paraffin to olefin ratio employing simulated nitrogen-rich syngas via Fischer-Tropsch process over Co3O4/SiO2 catalystscitations
- 2020Tetralin and decalin h-donor effect on catalytic upgrading of heavy oil inductively heated with steel ballscitations
- 2020Organocatalysis for versatile polymer degradationcitations
- 2019Poly(lactic acid) degradation into methyl lactate catalyzed by a well-defined Zn(II) complexcitations
- 2019Reaction kinetics of vanillin hydrodeoxygenation in acidic and nonacidic environments using bimetallic PdRh/Al2O3 catalystcitations
- 2019A mechanistic study of Layered-Double Hydroxide (LDH)-derived nickel-enriched mixed oxide (Ni-MMO) in ultradispersed catalytic pyrolysis of heavy oil and related petroleum coke formationcitations
- 2018Catalytic performance of Ni-Cu/Al2O3 for effective syngas production by methanol steam reformingcitations
- 2017In-situ catalytic upgrading of heavy oil using dispersed bionanoparticles supported on gram-positive and gram-negative bacteriacitations
- 2016Selective hydrogenation using palladium bioinorganic catalystcitations
- 2011Improving the interpretation of mercury porosimetry data using computerised X-ray tomography and mean-field DFTcitations
- 2008Experimental and modelling studies of the kinetics of mercury retraction from highly confined geometries during porosimetry in the transport and the quasi-equilibrium regimescitations
- 2006Studies of the entrapment of non-wetting fluid within nanoporous media using a synergistic combination of MRI and micro-computed X-ray tomographycitations
- 2005Minimisation and recycling of spent acid wastes from galvanising plantscitations
Places of action
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article
Experimental and modelling studies of the kinetics of mercury retraction from highly confined geometries during porosimetry in the transport and the quasi-equilibrium regimes
Abstract
Mercury porosimetry is a widely used method for pore structural characterisation but, often, half of the data obtained in any given experiment, in the form of the retraction curve. is simply not used. This may be because mercury retraction is significantly less well understood than intrusion, and thus it is more difficult to extract reliable information. In this work detailed studies have been made of the, retraction process from mesoporous materials, with non-random heterogeneities in their void structure, to obtain fundamental knowledge that could form the basis of methods to reliably extract accurate pore space descriptors from the retraction Curve. In one material the initiation of retraction was found to be independent of the experimental time-scale because it was governed by the rapid equilibration of the narrowing of mercury necks, and subsequent snap-off of mercury connections at a small number of pore intersections. This scenario has been validated by simulations of quasi-equilibrium mercury retraction on structural models obtained from magnetic resonance images. In another material, the slow relaxation of entrapped mercury was followed by integrated gas Sorption experiments and SAXS. This process was also simulated using Monte-Carlo methods. it was found that the temporal evolution of the remaining pore size distribution was sensitive to the initial configuration of entrapped mercury ganglia, and Could thus be used to validate specific models of mercury entrapment for particular amorphous materials. (c) 2008 Elsevier Ltd. All rights reserved.