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Recovery of coal particles from a tailing dam for environmental protection and economical beneficiations
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
University of Tehran, Tehran, Iran.
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2018 (English)In: International Journal of Coal Science & Technology, ISSN 2095-8293Article in journal (Refereed) Published
Abstract [en]

Considerable amounts of coal particles are accumulated in the tailing dams of washing plants which can make serious environmental problems. Recovery of these particles from tailings has economically and environmentally several advantages. Maintaining natural resources and reducing discharges to the dams are the most important ones. This study was examined the possibility to recover coal particles from a tailing dam with 56.29% ash content by using series of processing techniques. For this purpose, gravity separation (jig, shaking table and spiral) and flotation tests were conducted to upgrade products. Based the optimum value of these processing methods, a flowsheet was designed to increase the rate of recovery for a wide range of coal particles. Results indicated that the designed circuit can recover over 90% of value coal particles and reduce ash content of product to less than 14%. These results can potentially be used for designing an industrial operation as a recycling plant and an appropriate instance for other areas to reduce the environmental issues of coal tailing dams.

Place, publisher, year, edition, pages
Springer, 2018.
Keywords [en]
Tailing dams, Hazardous issues, Jigging, Shaking table, Spiral, Flotation
Identifiers
URN: urn:nbn:se:ltu:diva-72235DOI: 10.1007/s40789-018-0197-2OAI: oai:DiVA.org:ltu-72235DiVA, id: diva2:1280892
Available from: 2019-01-21 Created: 2019-01-21 Last updated: 2019-08-16Bibliographically approved

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Chelgani, Saeed Chehreh

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