Studies on characteristics of semi-dry FGD ash from iron industry

Ren-ping Liu, Bin Guo*, Ailing Ren, Jing-feng Bian

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

1 Citation (Scopus)

Abstract

Some samples of ash were taken from a Semi-dry FGD dealing with sinter gas which was released from iron industry. Scanning electron microscope (SEM), X-ray diffraction (XRD) and Fourier Transform Infrared Spectrometer (FTIR) were employed to identify the samples in order to investigate their physical and chemical characteristics. The result shows that: this kinds of semi-dry FGD ash is stable, and its characteristics have no significant change in the dry environment at room temperature. The contents of CaSO(3) and SO(3) in the semi-dry FGD ash from iron industry are higher than those from power plant gas. The semi-dry FGD ash has smooth surface, loose structure and contain many small holes. It is consist of CaSO(3), CaSO(4), CaCO(3), corundum and mullite, et al. The diameter of the ash is distribute from 3.42 mu m to 13.77 mu m, the mean particle diameter is about 4.18 mu m and specific surface area is about 7.94m(2)/g.

Original languageEnglish
Title of host publication2009 3rd international conference on bioinformatics and biomedical engineering, vols 1-11
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages6235-6240
Number of pages6
ISBN (Print)9781424429011
Publication statusPublished - 2009
Externally publishedYes
Event3rd International Conference on Bioinformatics and Biomedical Engineering - Beijing
Duration: 11 Jun 200916 Jun 2009

Conference

Conference3rd International Conference on Bioinformatics and Biomedical Engineering
CityBeijing
Period11/06/0916/06/09

Keywords

  • FGD ash
  • gypsum
  • XRD
  • GAS DESULFURIZATION GYPSUM
  • PORTLAND-CEMENT
  • FLY-ASH
  • PRODUCTS
  • RETARDERS

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