Investor Presentaiton

5th International Workshop - Advances in Cleaner Production Academic Work Analytical procedures • Powdered (<212 μm) subsamples prepared from the ROM and clean coals were oven-dried for 24 h at 40 °C; • LECO CNHS-932; Providing data on the carbon, hydrogen, sulphur, nitrogen and oxygen contents of the dried coal samples; •Other representative portions of each powdered coal sample were ashed at 815 °C; •All analyzes were performed in duplicate. The development of this research.

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