Table 2 Ultimate and proximate analyses of the four types of agricultural straws.

From: Assessing thermal hazards and toxicity of raw biomass particles from prevalent agricultural crops in China

Property

Straw samples

Rice

Sorghum

Corn

Reed

Ultimate analysis (wt%, dafa)

 Carbon (C)

38.95 ± 1.01

40.15 ± 0.88

39.24 ± 0.95

42.55 ± 1.22

 Hydrogen (H)

4.33 ± 0.18

4.77 ± 0.15

4.05 ± 0.12

5.06 ± 0.11

 Nitrogen (N)

0.73 ± 0.06

0.77 ± 0.08

1.11 ± 0.06

0.31 ± 0.04

 Sulfur (S)

0.46 ± 0.05

0.44 ± 0.03

0.21 ± 0.02

0.20 ± 0.02

Proximate analysis (wt%, dbb)

 Moisture Content

10.42 ± 0.62

9.18 ± 0.10

8.47 ± 0.12

7.75 ± 0.09

 Volatile Matter

74.25 ± 1.33

81.09 ± 0.92

80.38 ± 1.38

86.06 ± 1.49

 Fixed Carbon

7.53 ± 0.11

13.32 ± 0.25

5.82 ± 0.09

3.42 ± 0.05

 Ash Dry Content

8.32 ± 0.21

6.31 ± 0.07

5.34 ± 0.08

2.86 ± 0.02

  1. aDry ash free basis, bDry basis.
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