کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9795960 | 1514938 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Zeolite-carbon composites prepared from industrial wastes: (II) evaluation of the adaptability as environmental materials
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
دانش مواد (عمومی)
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Novel zeolite-carbon composites were fabricated by a combined process of calcination and carbonization at 600-850 °C in the N2 atmosphere followed by a hydrothermal treatment from industrial wastes of coal fly ash and sawdust mixtures in alkaline aqueous solutions. Adaptability of the resulting zeolite-carbon composites as high value-added environmental materials was evaluated. It was found that the composites consisted of micropores and mesopores with the ability to adsorb water vapor up to an amount of 20 mass% which was superior to some commercial zeolite building materials. The composites also demonstrated a capacity to absorb electromagnetic wave in the W-band frequency range (75-110 GHz) characterized as a reflection loss higher than 20 dB at the resonant frequencies. These results indicated that the zeolite-carbon composites were prominent candidates as environmental-friendly building materials for wall or flooring with adsorption abilities for water vapor as well as absorption and shielding effects of electromagnetic wave.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: A - Volume 404, Issues 1â2, 15 September 2005, Pages 274-280
Journal: Materials Science and Engineering: A - Volume 404, Issues 1â2, 15 September 2005, Pages 274-280
نویسندگان
N.F. Gao, S. Kume, K. Watari,