The carbon mineralization behavior of copper slag and its impact on pozzolanic reactivity
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F25%3A10257809" target="_blank" >RIV/61989100:27360/25:10257809 - isvavai.cz</a>
Výsledek na webu
<a href="https://www.sciencedirect.com/science/article/pii/S0958946524004724" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0958946524004724</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.cemconcomp.2024.105899" target="_blank" >10.1016/j.cemconcomp.2024.105899</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
The carbon mineralization behavior of copper slag and its impact on pozzolanic reactivity
Popis výsledku v původním jazyce
The massive discharge of copper slag (CS) has led to serious environmental problems. Carbon mineralization, as a treatment method of solid waste, not only achieves carbon sequestration, but also enhances the pozzolanic activity. In this work, a novel exfoliation aqueous carbonation method combining aqueous carbon mineralization and wet grinding was proposed to evaluate the carbon mineralization behavior of CS at mild temperature and pressure. The results indicated that exfoliation aqueous carbonation exhibited higher mineralization degree than that of classical CO2 bubbling carbonation. The carbonation products of CS were mainly composed of amorphous carbonate and silica. Elevated carbonation temperature could promote the dissolution of fayalite in CS to enhance the carbon mineralization degree. Carbon mineralization treatment could improve the pozzolanic reactivity of CS and the 28 d strength activity index could reach up to 106.3 %. The outcomes could help provide new technology to facilitate the resource utilization of CS.
Název v anglickém jazyce
The carbon mineralization behavior of copper slag and its impact on pozzolanic reactivity
Popis výsledku anglicky
The massive discharge of copper slag (CS) has led to serious environmental problems. Carbon mineralization, as a treatment method of solid waste, not only achieves carbon sequestration, but also enhances the pozzolanic activity. In this work, a novel exfoliation aqueous carbonation method combining aqueous carbon mineralization and wet grinding was proposed to evaluate the carbon mineralization behavior of CS at mild temperature and pressure. The results indicated that exfoliation aqueous carbonation exhibited higher mineralization degree than that of classical CO2 bubbling carbonation. The carbonation products of CS were mainly composed of amorphous carbonate and silica. Elevated carbonation temperature could promote the dissolution of fayalite in CS to enhance the carbon mineralization degree. Carbon mineralization treatment could improve the pozzolanic reactivity of CS and the 28 d strength activity index could reach up to 106.3 %. The outcomes could help provide new technology to facilitate the resource utilization of CS.
Klasifikace
Druh
J<sub>imp</sub> - Článek v periodiku v databázi Web of Science
CEP obor
—
OECD FORD obor
20100 - Civil engineering
Návaznosti výsledku
Projekt
—
Návaznosti
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Ostatní
Rok uplatnění
2025
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název periodika
Cement and Concrete Composites
ISSN
0958-9465
e-ISSN
1873-393X
Svazek periodika
157
Číslo periodika v rámci svazku
March 2025
Stát vydavatele periodika
US - Spojené státy americké
Počet stran výsledku
10
Strana od-do
nestránkováno
Kód UT WoS článku
001393299600001
EID výsledku v databázi Scopus
—