| People | Locations | Statistics |
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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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Repo, Timo
University of Helsinki
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2024Mesoporous silica-amine beads from blast furnace slag for CO<sub>2</sub> capture applicationscitations
- 2023Functionalization of nitrogen-doped graphene quantum dotcitations
- 2022Parahydrogen-induced polarization study of imine hydrogenations mediated by a metal-free catalystcitations
- 2017Nuclear spin hyperpolarization with ansa-aminoboranes : a metal-free perspective for parahydrogen-induced polarizationcitations
- 2016Nuclear spin hyperpolarization with ansa-aminoboranescitations
- 2016Towards improved solubility of poorly water-soluble drugscitations
- 2014Tweezers for Parahydrogencitations
- 2011Two- and three-dimensional packing diagrams of M(salophen) complexescitations
- 2006Synthesis of titanium complexes bearing two mono anionic malonic acid ester based ligands and their use as catalyst precursors in ethene polymerizationcitations
- 2006High-molar-mass polypropene with tunable elastic properties by hafnocene/borate catalystscitations
- 2004Tetrakis Sn(IV) alkoxides as novel initiators for living ring-opening polymerization of lactidescitations
- 2002New bis(imino)pyridine-iron(II)- and cobalt(II)-based catalysts: synthesis characterization and activity towards polymerization of ethylenecitations
- 2002Copolymerization of propene with phenylnorbornene using ansa-bridged metallocene catalystscitations
- 2001Copolymerization of carbon monoxide with exo-methylenecycloalkane and dienes: synthesis of functionalized aliphatic polyketonescitations
- 2000Synthesis and crystal structure of [1-(eta(5)-9-fluorenyl)-2-(eta(5)-1-indenyl)ethane]-hafnium dimethyl
Places of action
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article
Mesoporous silica-amine beads from blast furnace slag for CO<sub>2</sub> capture applications
Abstract
Steel slag, abundantly available at a low cost and containing over 30 wt% silica, is an attractive precursor for producing high-surface-area mesoporous silica. By employing a two-stage dissolution-precipitation method using 1 M HCl and 1 M NaOH, we extracted pure SiO2, CaO, MgO, etc. from blast furnace slag (BFS). The water-soluble sodium silicate obtained was then used to synthesize mesoporous silica. The resulting silica had an average surface area of 100 m2 g−1 and a pore size distribution ranging from 4 to 20 nm. The mesoporous silica powder was further formed into beads and post-functionalized with polyethyleneimine (PEI) for cyclic CO2 capture from a mixture containing 15% CO2 in N2 at 75 °C. The silica-PEI bead was tested over 105 adsorption–desorption cycles, demonstrating an average CO2 capture capacity of 1 mmol g−1. This work presents a sustainable approach from steel slag to cost-effective mesoporous silica materials and making CO2 capture more feasible