Flotational Enrichment of Coking Coal by Means of Spent Motor Oil
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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.
Keywordscoal coal structure functional groups flotation
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