Properties of sedimented double alkali FGD slurries

R. J. Krizek*, S. W. Tatioussian, D. K. Atmatzidis

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Some of the engineering properties that most strongly influence the disposal of double alkali flue gas desulfurization sludge in a settling pond and the subsequent reclamation of the site for some useful purpose are evaluated. Examined in this test program are the effects of codisposing of fly ash with the sludge, the addition of different stabilizing agents (lime and cement), changes in the concentration of solids, and differences in the curing time on the engineering properties of the sedimented slurries. An analysis of the sedimentation test results for slurries with various fly ash contents and a solids concentration of 15% indicated that the downward velocity of the suspension/clear liquid interface was about one foot per hour.

Original languageEnglish (US)
Pages (from-to)778-794
Number of pages17
JournalGeotechnical Special Publication
Issue number21
StatePublished - 1988
EventHydraulic Fill Structures - Fort Collins, CO, USA
Duration: Aug 15 1988Aug 18 1988

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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