Paper Title:

Effects of Carbonation on Steel Slag Products

Periodical Advanced Materials Research (Volume 177)
Main Theme Testing and Evaluation of Inorganic Materials I
Edited by Yiwang Bao, Li Tian and Jianghong Gong
Pages 485-488
DOI 10.4028/www.scientific.net/AMR.177.485
Citation Hao Ze Wu et al., 2010, Advanced Materials Research, 177, 485
Online since December, 2010
Authors Hao Ze Wu, Jun Chang, Zheng Zhao Pan, Xin Cheng
Keywords Carbonation Reaction, CO2, Property Analysis, Steel Slag
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Abstract

The effects of carbonation on structure and properties of steel slag specimens are evaluated by some different testing technologys in this paper. The experimental results of strength and soundness show that the compressive strength of samples is improved 6-8 times due to carbonation, and carbonated specimens have qualified autoclave soundness. Also the carbonation reactions of steel slag and the reason that why strength and soundness improved are analyzed by chemical titration, XRD, TG, SEM and MIP etc. Experimental results indicate that in steel slag specimens, f-CaO, f-MgO, partial C2S and C3S minerals could be carbonated, and 105~110 gram CO2 gas could be sequestrated after carbonating per kilogram of steel slag specimens.