Abstract：
:To overcome the delignification saturation point in traditional alkaline hydrogen peroxide pretreatment (AHP), a powerful modified AHP delignification methodology was established by introducing ethanol into the system. The pretreatment caused significant lignin removal of bamboo at elevated pretreatment temperature with the highest lignin removal reaching 80.0% at 100 °C, higher than that (74.9% lignin removal) in pretreatment without the ethanol assistance. In addition, a certain amount of carbohydrates was also solubilized during the process whose recovery was 83.3% (glucan) and 67.6% (hemicellulose), respectively. The pretreated solid exhibited excellent enzymatic digestibility, with hydrolysis yields of ~100% and 95.7% for glucan and xylan, respectively. Our studies further indicate that this delignification methodology is versatile for hardwood and herbaceous plants, but does not perform well on softwood.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Huang C,Fang G,Yu L,Zhou Y,Meng X,Deng Y,Shen K,Ragauskas AJdoi
10.1016/j.biortech.2019.122568subject
Has Abstractpub_date
2020-03-01 00:00:00pages
122568eissn
0960-8524issn
1873-2976pii
S0960-8524(19)31798-5journal_volume
299pub_type
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