|
|
Substrate (%)
|
Conversion rate
(%)
|
|
Aspen
Eucalyptus
|
Sulfite pretreatment (4% sodium bisulfite with or without sulfuric
acid, 180 ℃, 30 min)
Sulfite pretreatment
Dilute acid
|
2%
|
90-95% (20 FPU + 30 CBU ꞵ-glucosidase g-1
cellulose, 12 h)
90% (48 h)
82% (48 h)
|
[26]
|
Spruce
Red pine
|
Sulfite pretreatment (8-10% bisulfite and 1.8-3.7% sulfuric acid,
180 ℃, 30 min)
Dilute acid pretreatment
Sulfite pretreatment (8-10% bisulfite and 1.8-3.7% sulfuric acid,
180 ℃, 30 min)
|
2%
|
~90% (14.6 FPU+22.5 CBU ꞵ-glucosidase, 48 h)
40%
98% (14.6 FPU+22.5 CBU ꞵ-glucosidase, 48 h)
|
[27]
|
Corn stover
Poplar
Pine
|
Steam explosion
Organosolv
Steam explosion
Organosolv
Steam explosion
Organosolv
|
2%
|
65% (Cellulast, 48 h)
70% (Cellulast, 48 h)
52% (Cellulast, 48 h)
70% (Cellulast, 48 h)
37% (Cellulast, 48 h)
52% (Cellulast, 48 h)
|
[25]
|
Pine
|
HPAC (peroxide hydrogen: acetic acid = 1:1, 80 ℃, 2 h)
|
2%
|
87.5% (10 FPU Cel+ Xyl+Bgl, 12 h) a
74.6% (20 FPU Cel+Xyl+Bgl, 24 h) b
|
This study
|