Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10999737 | Bioresource Technology Reports | 2018 | 8 Pages |
Abstract
The development of sustainable and effective pretreatment technology is of critical importance for the conversion of lignocelluloses into bioethanol. In this work, KOH pretreatment of wheat straw with the supplement of anthraquinone (AQ) and sodium lignosulfonate (SLS) was investigated under the relatively mild conditions. The effectiveness of KOH pretreatment was evaluated by enzymatic saccharification. It was found that after the KOH pretreatment with 15% KOH, 0.1% AQ and 2% SLS at 120â¯Â°C for 40â¯min, the final total sugar yields (glucoseâ¯+â¯xyloseâ¯+â¯soluble xylan) could reach up to 80%, which was 16% higher as compared to the KOH pretreatment without addition of AQ and SLS under the same conditions. In addition, the spent liquor could be reused twice to maintain a relatively good effectiveness of pretreatment, and it could be used to produce fertilizer due to the high content of potassium.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Bioengineering
Authors
Xuejin Xie, Xiaoyan Feng, Shanshan Chi, Yuedong Zhang, Guang Yu, Chao Liu, Zhenqiu Li, Bin Li, Hui Peng,