Evaluation of mine tailings dust control

Krishna Parameswaran, Jamie Ekholm, Lianyang Zhang

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

1 Scopus citations

Abstract

This paper reports on the results of a study on the performance and effectiveness of acrylic copolymer stabilization in improving the strength, water retention capacity and dust resistance of copper mine tailings (MT). Samples were taken from both untreated and acrylic copolymer-treated TSF. Fall cone, water retention and wind tunnel tests were conducted on the samples to evaluate their strength, water retention capacity and dust resistance. SEM imaging was also performed to evaluate their microstructure. The results indicate that acrylic copolymer treatment improves the strength, water retention capacity, and dust resistance of MT. The improvement is because acrylic copolymer application enhances the agglomeration of MT particles and forms coating on the MT particle surface, leading to a denser microstructure. The formation of a loose white powder on the surface of MT was observed in the study. FTIR and XRD analyses were performed to characterize this material because it may have an adverse effect on dust resistance of MT.

Original languageEnglish (US)
Title of host publicationGeoEnvironmental Engineering - Selected Papers from the Proceedings of the 2014 GeoShanghai International Congress
PublisherAmerican Society of Civil Engineers (ASCE)
Pages80-89
Number of pages10
Edition241 GSP
ISBN (Print)9780784413432
DOIs
StatePublished - Jan 1 2014
Event2014 GeoShanghai International Congress: GeoEnvironmental Engineering - Shanghai, China
Duration: May 26 2014May 28 2014

Publication series

NameGeotechnical Special Publication
Number241 GSP
ISSN (Print)0895-0563

Other

Other2014 GeoShanghai International Congress: GeoEnvironmental Engineering
CountryChina
CityShanghai
Period5/26/145/28/14

ASJC Scopus subject areas

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

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  • Cite this

    Parameswaran, K., Ekholm, J., & Zhang, L. (2014). Evaluation of mine tailings dust control. In GeoEnvironmental Engineering - Selected Papers from the Proceedings of the 2014 GeoShanghai International Congress (241 GSP ed., pp. 80-89). (Geotechnical Special Publication; No. 241 GSP). American Society of Civil Engineers (ASCE). https://doi.org/10.1061/9780784413432.009