Influence of quartz particle size on hydrothermal solidification of blast furnace slag

Zhenzi Jing, Emile Hideki Ishida, Fangming Jin, Toshiyuki Hashida, Nakamichi Yamasaki

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


Solidification of blast furnace water-cooled slag (BFWS) has been carried out using a hydrothermal processing method, in which the BFWS could be solidified in an autoclave under saturated steam pressure (1.56 MPa) at 473 K for 12 h by the addition of quartz. Experimental results showed that the strength development of the solidified specimen was significantly affected by the curing time and quartz particle size. With increasing curing time, the amount of tobermorite increased, and the formed tobermorite, in turn, enhanced the tensile strength. The particle size of the quartz added exerted a significant influence on the strength development, and the optimal quartz content for the strength development appeared to depend on the quartz particle size. The results also suggested utilization of finer quartz had the advantage of reducing the addition of quartz.

Original languageEnglish
Pages (from-to)7470-7474
Number of pages5
JournalIndustrial & Engineering Chemistry Research
Issue number22
Publication statusPublished - 2006 Oct 25


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