期刊
BIORESOURCE TECHNOLOGY
卷 343, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.126085
关键词
Bamboo age; Bamboo species; Oxidization; Liquid ammonia; Fermentable sugar
资金
- Commonweal Project of Science and Technology Agency of Zhejiang Province of China [2017C32068, LGN18B06000]
- National Natural Science Foundation of China [31500491]
Utilizing the OD-LAT combined oxidization and liquid ammonia pretreatment for bamboo, researchers found that this method significantly improved enzymolysis on bamboo under three years old, indicating a potential for enhanced biomass conversion. The effectiveness of pretreatment was found to be related to the composition, age, species, macro-structures, and micro-structures of the bamboo.
To determine the potential for improving biomass enzymolysis, a combined oxidization and liquid ammonia pretreatment (OD-LAT) was employed for bamboo. The effects of oxidant, bamboo ages, and species on the pretreatment effectiveness and subsequent enzymolysis were studied. Under the optimal OD-LAT pretreatment and enzymolysis of the B-NA bamboo Neosinocalamus affinis, the glucan and xylan conversion reached 83.85% and 78.66%, respectively, and approximately 59.7-68.5 g of fermentable sugars can be produced per 100 g of dry bamboo, which was an approximately 5-8 fold increase compared with untreated sample. The H2O2 loading of 1.0 was the optimal oxidant dosage for the OD-LAT process. The OD-LAT pretreatment was only suitable for bamboo under three-year-old, and it significantly improved the enzymolysis of B-NA and B-BM, while it was limited to B-DO and B-PP. The pretreatment effects of bamboo were not only related to composition but also to the bamboo age, species, macro-structures and micro-structures.
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