Coke and Chemistry

, Volume 60, Issue 12, pp 485–488 | Cite as

Flotational Enrichment of Coking Coal by Means of Spent Motor Oil

  • Yu. F. Patrakov
  • S. A. Semenova
  • M. S. Klein


The flotation of coking coal (metamorphic stages II–IV) by means of ozonized spent motor oil is considered. The ozonized oil exhibits high flotational activity with respect to coal of poor and moderate metamorphic development: Ro < 1.2%. Ozonization improves the selectivity of the motor oil in flotation by a factor of 2–3.


coal coal structure functional groups flotation 


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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • Yu. F. Patrakov
    • 1
  • S. A. Semenova
    • 1
  • M. S. Klein
    • 2
  1. 1.Federal Research Center of Coal and Coal Chemistry (Coal Institute), Siberian BranchRussian Academy of SciencesKemerovoRussia
  2. 2.Gorbachev Kuznetsk Basin State Technical UniversityKemerovoRussia

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