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Properties of alkaline materials for injection into weathered mine waste piles: methods and initial pilot trials
Örebro University, School of Science and Technology.ORCID iD: 0000-0002-2674-4994
Örebro University, School of Science and Technology.ORCID iD: 0000-0001-9348-6481
Bergskraft Bergslagen, Kopparberg, Sweden.
Örebro University, School of Science and Technology.
2011 (English)In: Mine water: managing the challenges: proceedings of the International Mine Water Association Congress 2011 / [ed] Rüde, Thomas R.; Freund, Antje; Wolkersdorfer, Christian, Aachen: RWTH , 2011, p. 265-269Conference paper, Published paper (Refereed)
Abstract [en]

Several alkaline materials were studied with regards to their ability to form stable suspensions withwater. Gravitational injection of alkaline materials were performed into weathered mine waste in two differentpilot scales (25 L and 1 000 L). When water was added after injection lime mud (LM) was flushed out whilelime kiln dust (LKD) and green liqour (GLD) remained within the mine waste. Deconstruction of the pilot sys-tems showed that both materials had penetrated the voids present. LKD and GLD increased pH significantlyand reduced trace metal concentratios. It is concluded that both LKD and GLD are suitable for stabilizing acidgenerating mine waste.

Place, publisher, year, edition, pages
Aachen: RWTH , 2011. p. 265-269
Keywords [en]
stabilization, injection, grouting, green liquor dreg, lime kiln dust
National Category
Natural Sciences Chemical Sciences
Research subject
Chemistry
Identifiers
URN: urn:nbn:se:oru:diva-24250ISI: 000391415200047ISBN: 978-3-00-035543-1 (print)OAI: oai:DiVA.org:oru-24250DiVA, id: diva2:542988
Conference
11th IMWA congress, Mine Water – Managing the Challenges, Aachen, Germany, September 4-11, 2011
Available from: 2012-08-06 Created: 2012-08-06 Last updated: 2019-03-26Bibliographically approved

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Bäckström, MattiasSartz, LottaKarlsson, Stefan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf