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Table 4 A selection of organosolv methods utilised for pretreatment of lignocellulosic materials

From: Pretreatment for biorefineries: a review of common methods for efficient utilisation of lignocellulosic materials

BiomassSolventGlucan recovery (%)Xylan removal (%)Lignin removal (%)CommentRefs.
Hybrid PennisetumWater
Acetone
Ethanol
THFA
GVL
91.1
90.4
93.4
92.3
90.9
36.8
47.8
53.5
46.8
43.4
11.6
32.8
37.6
46.8
50.3
 [97]
Coir (coconut fibre)1,4-Butanediol/acidic IL87.5–9077–9375–88Combination of organosolv and ionic liquids[112]
Eucalyptus
1. Bark
2. Wood
Ethanol
Oxalic acid
Water
   1. Glucan content (solids): 75.6%
2. 50%
[113]
1. SCB
2. Tall fescue
3. Sugar beet
4. Eucalyptus
5. Beech
6. Japanese cedar
Butanol81
80
65
80
81
79
 87
87
85
80
72
12
Glucose yield (%) after EH:
1. 77
2. 74
3. 69
4. 65
5. 65
6. 1
[114]
Eucalyptus
Bark
Ethanol74–9315–7025–52 [115]
Rice husksEthanol88–9086.877.5 [116]
Empty fruit bunch (palm tree)Ethylene glycol (3% NaOH)90.610–5467.2Starting material was decomposed fruit bunch[117]
Corn stoverMethanol/NaOH97.516.537.3Enzyme hydrolysis:
Glucan: 97.2%
Xylan: 80.3%
[118]
BambooFormic acid982283 [119]
SCBAutohydrolysis + glycerol80–9055–6848–84 [120]