Preparation of functional geopolymers from municipal solid waste incineration fly ash : An approach combining experimental and computational simulation studies
Copyright © 2024 Elsevier Ltd. All rights reserved..
This study aims to evaluate the feasibility and safety of using municipal solid waste incineration fly ash (MSW-IFA) in the development of geopolymer-based solidification/stabilization (S/S) treatments. Geopolymers have garnered attention as a sustainable alternative to traditional cement, owing to their high strength, stability, and minimal CO2 emissions. In this study, a combination of experimental and simulation calculations was used to investigate the setting time, mechanical properties, environmental risks, hydration mechanisms and processes of municipal solid waste incineration fly ash-based polymeric functional cementitious materials (GFCM). The results demonstrate that the mechanical properties of GFCM are related to the changes in the mineral phases and the degree of compactness. Quantum chemical calculations indicate that the hydration products may be [Si(OH)4], [Al(OH)3(OH2)] and [Al(OH)4]-. It is possible that the heavy metals are embedded in the hydrated silica-aluminate by electrostatic interaction or chemisorption. Heavy metals may be embedded in hydrated silica-aluminate by electrostatic action or chemisorption. This study provides a feasible method for resource utilization and heavy metal stabilization mechanism of MSW-IFA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:355 |
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| Enthalten in: |
Journal of environmental management - 355(2024) vom: 30. März, Seite 120226 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sun, Mingyi [VerfasserIn] |
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| Links: |
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| Themen: |
7440-44-0 |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 25.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jenvman.2024.120226 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369207572 |
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| 245 | 1 | 0 | |a Preparation of functional geopolymers from municipal solid waste incineration fly ash |b An approach combining experimental and computational simulation studies |
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| 520 | |a This study aims to evaluate the feasibility and safety of using municipal solid waste incineration fly ash (MSW-IFA) in the development of geopolymer-based solidification/stabilization (S/S) treatments. Geopolymers have garnered attention as a sustainable alternative to traditional cement, owing to their high strength, stability, and minimal CO2 emissions. In this study, a combination of experimental and simulation calculations was used to investigate the setting time, mechanical properties, environmental risks, hydration mechanisms and processes of municipal solid waste incineration fly ash-based polymeric functional cementitious materials (GFCM). The results demonstrate that the mechanical properties of GFCM are related to the changes in the mineral phases and the degree of compactness. Quantum chemical calculations indicate that the hydration products may be [Si(OH)4], [Al(OH)3(OH2)] and [Al(OH)4]-. It is possible that the heavy metals are embedded in the hydrated silica-aluminate by electrostatic interaction or chemisorption. Heavy metals may be embedded in hydrated silica-aluminate by electrostatic action or chemisorption. This study provides a feasible method for resource utilization and heavy metal stabilization mechanism of MSW-IFA | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Co-disposal | |
| 650 | 4 | |a Geopolymers | |
| 650 | 4 | |a Heavy metals | |
| 650 | 4 | |a Municipal solid waste incineration fly ash | |
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| 700 | 1 | |a Xie, Longgui |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Yao |e verfasserin |4 aut | |
| 700 | 1 | |a Duan, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Guanyun |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Linglong |e verfasserin |4 aut | |
| 700 | 1 | |a Shao, Lan |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Qichi |e verfasserin |4 aut | |
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