کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
576982 | 1453094 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hydrothermal preparation of tobermorite from blast furnace slag for Cs+ and Sr2+ sorption
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
بهداشت و امنیت شیمی
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چکیده انگلیسی
Al-substituted 11Â Ã
-tobermorite was formed by alkaline hydrothermal treatment of blast furnace slag with sodium silicate added at 180 °C for 2-48 h. Effects of the hydrothermal treatment time were characterized by XRD, SEM, and isothermal adsorption of N2. Sorption characteristics of the obtained samples were examined for Cs+ and Sr2+. The sample obtained by hydrothermal treatment for 48 h (HT-48 h) consisted of calcium silicate hydrate (C-S-H), and Al-substituted 11 Ã
-tobermorite. The HT-48Â h showed the highest performance for Cs+ and Sr2+ selectivity in the presence of Na+. The interlayer Na+ of Al-substituted 11Â Ã
-tobermorite and surface Ca2+ played an important role in selective Cs+ and Sr2+.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Hazardous Materials - Volume 266, 15 February 2014, Pages 174-181
Journal: Journal of Hazardous Materials - Volume 266, 15 February 2014, Pages 174-181
نویسندگان
Takuma Tsutsumi, Shunsuke Nishimoto, Yoshikazu Kameshima, Michihiro Miyake,