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Table 1 Pretreatment conditions and composition for each lignocellulosic biomass sample

From: Conversion of organosolv pretreated hardwood biomass into 5-hydroxymethylfurfural (HMF) by combining enzymatic hydrolysis and isomerization with homogeneous catalysis

Biomass No

Pressure (bar)

Temperature (°C)

Reaction time (min)

ACΟ/H2O

 1a

16

160

60

 2a

16

160

120

 3b

8

160

120

 4a

16

175

30

 5a

16

175

60

 6a

16

175

120

 7b

8

175

120

 8

16

175

120

EtOH/H2O

 9a

16

160

60

 10a

16

160

120

 11b

8

160

120

 12a

16

175

60

 13a

16

175

120

 14

8

175

120

THF/H2O

 15a

16

160

60

 16a

16

160

120

 17

8

160

120

 18a

16

175

60

 19a

16

175

120

 20

8

175

120

  1. The solvent ratio to water in each pretreatment experiment was 1:1
  2. aKalogiannis et al. [19]
  3. bKarnaouri et al. [20]