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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
Selective hydrogenation using palladium bioinorganic catalyst
Abstract
<p>Palladium bioinorganic catalyst (bio-Pd) was manufactured using bacteria (Desulfovibrio desulfuricans and Escherichia coli) via the reduction of Pd(II) to bio-scaffolded Pd(0) nanoparticles (NPs). The formed Pd NPs were examined using electron microscopy and X-ray powder diffraction methods: a loading of 5 wt% Pd showed an average particle size of ~4 nm. The catalytic activities of the prepared bio-Pd NPs on both bacteria were compared in two hydrogenation reactions with that of a conventionally supported Pd catalyst (Pd/Al<sub>2</sub>O<sub>3</sub>). Concentration profiles of the different hydrogenation products were fitted using a Langmuir-Hinshelwood expression. In 2-pentyne hydrogenation, 5 wt% Pd<sub>E.coli</sub> achieved 100% of 2-pentyne conversion in 20 mins and produced 10.1 ± 0.7 × 10<sup>-2</sup> mol L<sup>-1</sup> of desired cis-2-pentene, in contrast 5 wt% Pd/Al<sub>2</sub>O<sub>3</sub> yielded 6.5 ± 0.4 × 10<sup>-2</sup> mol L<sup>-1</sup> of cis-2-pentene after 40 mins. In the solvent-free hydrogenation of soybean oil, the use of 5 wt% Pd<sub>E.coli</sub> yielded cis-C18:1 of 1.03 ± 0.04 mol L<sup>-1</sup> and trans-C18:1 of 0.26 ± 0.03 mol L<sup>-1</sup> (~50% less of the latter than 5 wt% Pd/Al<sub>2</sub>O<sub>3</sub>) after 5 h. Similar results were obtained using bio-Pd<sub>E.coli</sub> and bio-Pd<sub>D.desulfuricans</sub>. Bio-Pd was concluded to have the advantage of a lower cis-trans isomerisation in hydrogenation of alkyne/alkenes. Hence biomanufacturing is an environmentally attractive, scalable and facile alternative to conventional heterogeneous catalyst for application in industrial hydrogenation processes. D. desulfuricans is inconvenient to grow at scale but wastes of E. coli are produced from various industrial processes. 'Second life' (i.e. recycled from a pilot scale biohydrogen production process) E. coli cells were used to make bio-Pd catalysts. Although 'bio-Pd<sub>secondlife'</sub> gave a slower conversion rate of 2-pentyne and soybean oil compared to bio-Pd from purpose-grown cells it showed a higher selectivity to the cis-isomer product.</p>