Journal
BIORESOURCE TECHNOLOGY
Volume 291, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.121913
Keywords
Biorefining concept; Sequential pretreatment process; Selective deconstruction; Derivatives; Cellulose accessibility
Funding
- R&D Program of the Korea Ministry of Trade, Industry and Energy (MOTIE)
- Korea Evaluation Institute of Industrial Technology (KEIT) [10049674]
- Mid-career Researcher Program in Basic Research of the National Research Foundation of Korea - Korea government (MSIP) [NRF-2016R1A2B4014222]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10049674] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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For improving the economic efficiency of the biorefining concept, selective decomposition and separation of biomass components is indispensable. In this respect, a sequential pretreatment process consisting of liquid hot water treatment and diluted peracetic acid (PAA) treatment was proposed for total utilization of lignocellulosic woody biomass. During the liquid hot water treatment, hemicellulose can be decomposed efficiently without significant loss of cellulose and lignin, implying the possibility for xylooligomer production by thermochemical treatment. In the PAA treatment, lignin was successfully degraded and liquefied using a 50% diluted PAA solvent, suggesting the possibility of dicarboxylic acid production. After the sequential process proposed in this study, the cellulose accessibility to the enzyme could be maximized by inducing selective deconstruction of hemicellulose and lignin.
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