Carbon dioxide sequestration on steel slag

Liwu Mo

doi:10.1016/B978-0-08-102444-7.00008-3

Carbon dioxide sequestration on steel slag

Liwu Mo

College of Materials Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

20 Scopus citations

Abstract

Carbonation of Ca/Mg-containing industrial alkaline residues is a novel way for CO₂ sequestration, which attracts increasing attention in the context of cutting down CO₂ emissions. Steel slag, a typical industrial byproduct produced during the steel making process, usually contains abundant CaO and exhibits high carbonation reactivity and hence great capacity of CO₂ adsorption. Utilization of the steel slag is of increasing interest owing to the issues of environmental protection, as well as sustainable development in the steel industry. Therefore, CO₂ sequestration with steel slag through accelerated carbonation is of great significance. In this chapter, the formation process, physico-chemical properties, carbonation mechanism, carbonation rate, heavy metal leaching of steel slag, and in particular, the microstructure, performance, and application of carbonated steel slag as construction materials are discussed.

Original language	English
Title of host publication	Carbon Dioxide Sequestration in Cementitious Construction Materials
Publisher	Elsevier
Pages	175-197
Number of pages	23
ISBN (Electronic)	9780081024478
ISBN (Print)	9780081024447
DOIs	https://doi.org/10.1016/B978-0-08-102444-7.00008-3
State	Published - 1 Jan 2018

Keywords

CO sequestration
Carbonation
Mechanical property
Microstructure
Steel slag

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10.1016/B978-0-08-102444-7.00008-3

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AB - Carbonation of Ca/Mg-containing industrial alkaline residues is a novel way for CO2 sequestration, which attracts increasing attention in the context of cutting down CO2 emissions. Steel slag, a typical industrial byproduct produced during the steel making process, usually contains abundant CaO and exhibits high carbonation reactivity and hence great capacity of CO2 adsorption. Utilization of the steel slag is of increasing interest owing to the issues of environmental protection, as well as sustainable development in the steel industry. Therefore, CO2 sequestration with steel slag through accelerated carbonation is of great significance. In this chapter, the formation process, physico-chemical properties, carbonation mechanism, carbonation rate, heavy metal leaching of steel slag, and in particular, the microstructure, performance, and application of carbonated steel slag as construction materials are discussed.

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KW - Mechanical property

KW - Microstructure

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Carbon dioxide sequestration on steel slag

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Keywords

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