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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