Skip to main content

Table 1 Macromolecular composition of newspaper waste before and after EA pretreatment

From: Saccharification of newspaper waste after ammonia fiber expansion or extractive ammonia

 

Newspaper waste

Untreated

EA pretreated

Moisture content

7.00 ± 1.00

9.75 ± 0.07

Ash

7.04 ± 0.14

7.25 ± 0.15

Structural carbohydrate

 Glucan

44.21 ± 4.02

41.36 ± 0.01

 Xylan

5.11 ± 0.19

5.20 ± 0.22

 Galactan

1.81 ± 0.13

1.84 ± 0.03

 Arabinan

1.09 ± 0.09

1.73 ± 0.03

 Mannan

9.83 ± 0.47

8.16 ± 0.05

Lignin

 Acid insoluble lignin

25.88 ± 2.48

30.03 ± 0.89

 Acid soluble lignin

0.96 ± 0.01

1.05 ± 0.19

 Composition closure

95.92

96.63