MgO Effect on the Hydrothermal Solidification of Blast Furnace Slag

Yoshikawa, Takeshi; Hosokawa, Masaru; Tanaka, Toshihiro

ISIJ International, 2008, 48(5), 557-562

アクセス数:224件（2025-05-18 08:40 集計）

固定URL: https://hdl.handle.net/11094/26388

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タイトル
MgO Effect on the Hydrothermal Solidification of Blast Furnace Slag
著者
NRID
1000090435933 1000090435933
著者名
Yoshikawa, Takeshi
著者名
Hosokawa, Masaru
NRID
1000010179773 1000010179773
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著者名
Tanaka, Toshihiro
キーワード等
blast furnace slag
hydrothermal reaction
hydrothermal hot pressing
flexural strength
抄録
Due to the large generation of blast furnace (BF) slag, new recycling processes that produce valuable materials are required. The authors have focused on a hydrothermal treatment of BF slag using waste heat exhausted from iron- and steelmaking processes. Although BF slag contains Al_2O_3, which is well known to have a deteriorating effect on hydrothermal reactions, especially CaO–SiO_2 hydration, it can be successfully solidified by hydrothermal treatment above 523 K. We focused on the contribution of MgO in BF slag to the hydrothermal reactivity in the slag system. The hydrothermal solidification of synthesized CaO–SiO_2–Al_2O_3 and CaO–SiO_2–Al_2O_3–MgO slags were investigated in the present work. The hydrothermal solidification behaviors of slags are discussed based on the degree and type of crystal formation during the hydrothermal process.
出版者
日本鉄鋼協会
The Iron and Steel Institute of Japan
ニホン　テッコウ　キョウカイ
収録物名
ISIJ International
巻(号)
48(5)
ページ
557-562
刊行年月
2008
言語
英語
ハンドルURL
https://hdl.handle.net/11094/26388
PISSN
09151559
NCID
AA10680712
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.2355/isijinternational.48.557
アクセス権
open access
権利情報
© 2008 ISIJ
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article

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