Paper Title:
Mineral Matter Transformation of Coal Ash under Gasification Atmosphere: A Case of Huolinhe Lignite
  Abstract

Experiments have been conducted with Huolinhe lignite low temperature ashes (HLH-LTA) to investigate the mineral behaviors under gasification atmosphere (H2/CO2=1:1, volume ratio) with the temperature increase by SEM and XRD. The results show that the contents of SO3 and alkali metal oxide (e.g. K2O, Na2O) are higher in the HLH-LTA than that in laboratory HLH ashes. The formation of some low-melting ferrous eutectic compounds causes the initial melting temperature of HLH-LTA is lower about 300 °C than its deformation temperature. The formation of slag during HLH fluidized-bed gasification is the results of the interaction among minerals and phase changes with the temperature increases under reducing atmosphere.

  Info
Periodical
Advanced Materials Research (Volumes 347-353)
Chapter
Chapter 9: Energy Chemical Engineering
Edited by
Weiguo Pan, Jianxing Ren and Yongguang Li
Pages
3732-3735
DOI
10.4028/www.scientific.net/AMR.347-353.3732
Citation
F. H. Li, J. J. Huang, Y. T. Fang, Y. Wang, "Mineral Matter Transformation of Coal Ash under Gasification Atmosphere: A Case of Huolinhe Lignite", Advanced Materials Research, Vols. 347-353, pp. 3732-3735, 2012
Online since
October 2011
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$32.00
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