Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition
The possibility of improving the properties of porous geopolymer materials based on ash and slag waste from thermal power plants by adjusting their chemical composition is considered. An X-ray phase analysis of ash and slag wastes was carried out, the geopolymers’ precursor compositions were calcula...
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| Format: | Article |
| Language: | English |
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2022-03-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/15/7/2587 |
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| author | Elena A. Yatsenko Boris M. Goltsman Sergei V. Trofimov Viktor M. Kurdashov Yuri V. Novikov Victoria A. Smoliy Anna V. Ryabova Lyudmila V. Klimova |
| author_facet | Elena A. Yatsenko Boris M. Goltsman Sergei V. Trofimov Viktor M. Kurdashov Yuri V. Novikov Victoria A. Smoliy Anna V. Ryabova Lyudmila V. Klimova |
| author_sort | Elena A. Yatsenko |
| collection | DOAJ |
| description | The possibility of improving the properties of porous geopolymer materials based on ash and slag waste from thermal power plants by adjusting their chemical composition is considered. An X-ray phase analysis of ash and slag wastes was carried out, the geopolymers’ precursor compositions were calculated, and additives to correct their chemical composition were selected. The samples were synthesized and their physical and mechanical properties (density, porosity, compressive strength, thermal conductivity) were analyzed. The micro- and macro-structure of the samples and the pore distribution of the obtained geopolymers were studied and pore-distribution histograms were obtained. The influence of Si:Al ratio on structural changes was described. The geopolymers’ phase composition was studied, consisting of an amorphous phase and high quartz and mullite. A conclusion about the applicability of this method for obtaining high-quality porous geopolymers was made. |
| first_indexed | 2024-03-09T11:39:49Z |
| format | Article |
| id | doaj.art-04717558680742b5bebeae570f2ad4ee |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T11:39:49Z |
| publishDate | 2022-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-04717558680742b5bebeae570f2ad4ee2023-11-30T23:34:12ZengMDPI AGMaterials1996-19442022-03-01157258710.3390/ma15072587Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical CompositionElena A. Yatsenko0Boris M. Goltsman1Sergei V. Trofimov2Viktor M. Kurdashov3Yuri V. Novikov4Victoria A. Smoliy5Anna V. Ryabova6Lyudmila V. Klimova7The Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe Department “General Chemistry and Technology Silicates”, Faculty of Technology, Platov South-Russian State Polytechnic University (NPI), Prosveshcheniya Street 132, Rostov Region, 346428 Novocherkassk, RussiaThe possibility of improving the properties of porous geopolymer materials based on ash and slag waste from thermal power plants by adjusting their chemical composition is considered. An X-ray phase analysis of ash and slag wastes was carried out, the geopolymers’ precursor compositions were calculated, and additives to correct their chemical composition were selected. The samples were synthesized and their physical and mechanical properties (density, porosity, compressive strength, thermal conductivity) were analyzed. The micro- and macro-structure of the samples and the pore distribution of the obtained geopolymers were studied and pore-distribution histograms were obtained. The influence of Si:Al ratio on structural changes was described. The geopolymers’ phase composition was studied, consisting of an amorphous phase and high quartz and mullite. A conclusion about the applicability of this method for obtaining high-quality porous geopolymers was made.https://www.mdpi.com/1996-1944/15/7/2587porous geopolymerash and slag wasteglasssandstructure formationArctic zone |
| spellingShingle | Elena A. Yatsenko Boris M. Goltsman Sergei V. Trofimov Viktor M. Kurdashov Yuri V. Novikov Victoria A. Smoliy Anna V. Ryabova Lyudmila V. Klimova Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition Materials porous geopolymer ash and slag waste glass sand structure formation Arctic zone |
| title | Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition |
| title_full | Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition |
| title_fullStr | Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition |
| title_full_unstemmed | Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition |
| title_short | Improving the Properties of Porous Geopolymers Based on TPP Ash and Slag Waste by Adjusting Their Chemical Composition |
| title_sort | improving the properties of porous geopolymers based on tpp ash and slag waste by adjusting their chemical composition |
| topic | porous geopolymer ash and slag waste glass sand structure formation Arctic zone |
| url | https://www.mdpi.com/1996-1944/15/7/2587 |
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