Paper Title:
Infrared Spectrum Study of Autoclaved Systems with Solid Wastes
  Abstract

Different solid waste and their autoclaved waste samples were studied with the methods of infrared spectra (IR), X-ray diffraction (XRD) and chemical analysis. The results indicate that there is significant difference for strong absorbance Si-O bonds stretching vibration band of solid wastes infrared spectrum. The silicates have reacted and formed new hydrates which correspond to the strong absorbance Si-O bonds stretching vibration band. For containing activity crystal or amorphous which have ever been high-temperature heat such as fly ash, slag, waste glass and steel-slag, bound water amount of their autoclaved samples are related to strong absorbance Si-O bonds stretching vibration band, but there are no unity rules between the compressive strength of the autoclaved samples and strong absorbance Si-O bonds stretching vibration band because their type of hydrates products are significant differences. The IR characteristic peaks of waste concretes are almost same, and there are similar hydrate products (tobermorite and C-S-H (I) gel) and maximum compressive strength for different samples.

  Info
Periodical
Advanced Materials Research (Volumes 168-170)
Edited by
Lijuan Li
Pages
954-958
DOI
10.4028/www.scientific.net/AMR.168-170.954
Citation
C. J. Ke, W. Z. Wu, B. Yuan, "Infrared Spectrum Study of Autoclaved Systems with Solid Wastes", Advanced Materials Research, Vols. 168-170, pp. 954-958, 2011
Online since
December 2010
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Price
$32.00
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