| 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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Kamseu, Elie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2023Low-temperature high-strength lightweight refractory composites: Pore structures and insulating propertiescitations
- 2022Refractory ceramics bonds from potassium-based inorganic polymer for advanced applications: Crystalline phase changes and descriptive microstructurecitations
- 2022Refractory ceramics bonds from potassium-based inorganic polymer for advanced applications: Crystalline phase changes and descriptive microstructurecitations
- 2022Bio-Based Ceramic Membranes for Bacteria Removal from Watercitations
- 2018Investigation of the relationship between the condensed structure and the chemically bonded water content in the poly(sialate-siloxo) networkcitations
- 2017Design of ceramic filters using Clay/Sawdust composites: Effect of pore network on the hydraulic permeabilitycitations
- 2017Substitution of sodium silicate with rice husk ash-NaOH solution in metakaolin based geopolymer cement concerning reduction in global warmingcitations
- 2017The corrosion of kaolinite by iron minerals and the effects on geopolymerizationcitations
- 2016Potassium alkali concentration and heat treatment affected metakaolin-based geopolymercitations
- 2016Design of inorganic polymer mortar from ferricalsialic and calsialic slags for indoor humidity controlcitations
- 2016Self-compacting geopolymer concretes: Effects of addition of aluminosilicate-rich finescitations
- 2016The role of kyanite in the improvement in the crystallization and densification of the high strength mullite matrix: Phase evolution and sintering behaviourcitations
- 2015Influence of fine aggregates on the microstructure, porosity and chemico-mechanical stability of inorganic polymer concretescitations
- 2015Cleaner production of the lightweight insulating composites: Microstructure, pore network and thermal conductivitycitations
- 2015Cumulative pore volume, pore size distribution and phases percolation in porous inorganic polymer composites: Relation microstructure and effective thermal conductivitycitations
- 2014Metakaolin-based inorganic polymer compositecitations
- 2014Net-Shape Clay Ceramics with Glass Waste Additivecitations
- 2014A Sustainable Approach for the Geopolymerization of Natural Iron-Rich Aluminosilicate Materialscitations
- 2013Mix-design and characterization of alkali activated materials based on metakaolin and ladle slagcitations
- 2012Mechanical and biological characterization of geopolymers for potential application as biomaterials
- 2011Advancing the Use of Secondary Inputs in Geopolymer Binders for Sustainable Cementitious Composites: A Reviewcitations
- 2007Volcanic ash as alternative raw materials for traditional vitrified ceramic productscitations
Places of action
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document
A Sustainable Approach for the Geopolymerization of Natural Iron-Rich Aluminosilicate Materials
Abstract
Two iron-rich clayey materials (L1 and L2, with the main difference being the level of iron accumulation) have been studied for their suitability as solid precursors for inorganic polymer composites. L1, with the lower iron content, was calcined at 700°C for 4 h and used as replacement, in the range of 15–35 wt%, for both raw laterites in the formulations of geopolymeric composites. The different mixtures were activated with a highly concentrated alkaline solution containing sodium hydroxide and sodium silicate. River sand with semi-crystalline structure was added to form semi-dry pastes which were pressed to appropriate shape. X-ray diffraction, Infrared spectroscopy, Scanning Electron Microscopy and Mercury Intrusion Porosimetry results demonstrated the effectiveness of the calcined fraction of L1 to act as nucleation sites and extend the geopolymerization to the matrix composites. A highly compact matrix with low porosity and good stability in water, together with a strength comparable to that of standard concretes was obtained allowing for conclusions to be made on the quality of laterites as promising solid precursor for sustainable, environmentally-friendly, and cost-efficient structural materials.