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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