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Table 4 Mass recovery and lignin content of solids recovered from the liquid fraction after treatment with three ILs

From: Sugarcane bagasse pretreatment using three imidazolium-based ionic liquids; mass balances and enzyme kinetics

 

mg

% mass

mg (% starting mass of lignin)

 

Sample

Recovered mass

Lignin content

Lignin recovery

pH

[C4mim]Cl SF2

1.2

31

0.4 (0.3)

6.1

[C4mim]Cl SF3

0.3

n/d

n/d

1.0

[C4mim]Cl TOTAL

1.5

 

0.4 (0.3)

 

[C2mim]Cl SF2

10.8

30

3.2 (1.5)

3.6

[C2mim]Cl SF3

0.3

n/d

n/d

0.3

[C2mim]Cl TOTAL

11.1

 

3.2 (1.5)

 

[C2mim]OAc SF2

58.2

23

13.4 (9.9)

7.0

[C2mim]OAc SF3

12.2

26

3.2 (1.7)

1.0

[C2mim])OAc TOTAL

70.4

 

16.6 (11.7)

 
  1. Masses expressed on dry basis.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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