Earthy brown coal, its humic acids, and their derivs. were investigated in coal ozonation and liquefaction. Ozonation was used for coal modification to liquefy coals and to produce possible adsorbents and catalysts.
Shungite rocks were investigated as possible adsorbents and catalyst for ozone removal and use in coal liquefaction. It was shown that the shungite action is based on shungite carbon properties. Shungites may be used successfully for ozone removal after water treatment and then as additives in coal liquefaction.
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