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Table 1 Elemental analysis of crude coal, pretreated coal and liquefied coal

From: Improvement of efficiency of brown coal biosolubilization by novel recombinant Fusarium oxysporum laccase

Sample/element (%) High heating values (MJ/kg)
C H O N S Other
Coal 46.23 ± 0.11 5.38 ± 0.05 32.40 ± 0.02 0.30 ± 0.03 0.84 ± 0.05 14.8 18.0
Pretreated coal 44.0 ± 0.04 4.00 ± 0.13 30.00 ± 0.06 3.40 ± 0.06 0.4 ± 0.0 18.2 14.8
Liquefied coal 32.12 ± 0.06 4.06 ± 0.06 41.88 ± 0.04 5.79 ± 0.10 0.50 ± 0.04 15.6 9.2