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Table 1 Characteristic of tested sewage sludge and rice straw

From: Co-thermal degradation characteristics of rice straw and sewage sludge

  Sewage sludge Rice straw
Proximate analysis (wt%)
 Moisture 6.7 ± 0.9 10.5 ± 1.0
 Ash 23.0 ± 0.1 9.6 ± 0.2
 VM 59.4 ± 0.2 64.2 ± 0.5
 FC 10.9 15.8
Ultimate analysis (wt%, dry basis)
 C 39.7 ± 0.9 39.9 ± 0.6
 H 5.9 ± 0.2 6.2 ± 0.2
 N 6.5 ± 0.2 0.9 ± 0.1
 S 1.1 ± 0.1 0.2 ± 0.1
 O 17.0 32.8
Energy content (MJ kg−1)
 HHV 17.6 ± 0.1 15.9 ± 0. 3
 LHV 14.6 12.1