Journal
BIOMASS & BIOENERGY
Volume 150, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biombioe.2021.106103
Keywords
Liquid hot water treatment; Furfural; Hydrogen peroxide mediated oxidation; Succinic acid; Xylose; Acid soluble lignin
Funding
- R&D Program for Forest Science Technology by Korea Forest Service (Korea Forestry Promotion Institute) [2020226C10-2122-AC01, 2020258A00-2021-0001]
- Korea Forestry Promotion Institute (KOFPI) [2020226C10-2122-AC01] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The main goal of this study was to produce succinic acid from hemicellulose in lignocellulosic biomass through a continuous process without purification. Liquid hot water treatment was used to extract water soluble hemicelluloses from Quercus mongolica to produce furfural, which was further oxidized to succinic acid. Acid catalyzed dehydration was also conducted on the liquid hydrolysate for furfural production.
The main purpose of this study was to produce succinic acid from hemicellulose in lignocellulosic biomass by successive process without purification as a biorefinery concept. Liquid hot water (LHW) treatment was conducted to extract water soluble hemicelluloses from Quercus mongolica to produce furfural from lignocellulosic biomass. Additional acid catalyzed dehydration was conducted to liquid hydrolysate from LHW treatment for furfural production. At 170 degrees C of reaction temperature, 42% of furfural yield was achieved from pentose in liquid hydrolysate. This Acid treated liquor (ATL) was treated with hydrogen peroxide to oxidize furfural to C4 dicarboxylic acid such as succinic or maleic acid. Main product was succinic acid which is produced by oxidation of furfural, and minor amount of maleic acid was produced via oxidation. The xylose was degraded to furfural and then oxidized to succinic acid, while acid soluble lignin inhibited succinic acid production by reacting with intermediates of succinic acid. This results indicated that hemicellulose rich liquid hydrolysate has potential to source for succinic acid without further purification.
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