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[국내논문] Extraction of Hemicellulosic Sugar and Acetic Acid from Different Wood Species with Pressurized Dilute Acid Pretreatment 원문보기

목재공학 = Journal of the Korean wood science and technology, v.42 no.2, 2014년, pp.172 - 182  

Um, Byung-Hwan (Department of Chemical Engineering and Research Center of Chemical Technology, Hankyong National University) ,  Park, Seong-Jik (Department of Bioresources and Rural System Engineering, Hankyong National University)

Abstract ▼ AI-Helper 아이콘AI-Helper

Extraction is a necessary element in the bioconversion of lignocellulosics to fuels and chemicals. Although various forms of chemical pretreatment of cellulosic materials have been proposed, their effectiveness varies depending on the treatment conditions and substrate. In this study, mixed hardwood...

Keyword

#Acetic acid   #Crystallinity   #Hemicellulose   #Dilute acid extraction   #Accelerated solvent extraction (ASE)  

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제안 방법

  • The objective of this study was to assess and compare the compositions of hemicellulose extracts obtained under an extraction temperature of 170℃, with a dilute acid concentration of 0.5% (w/v), and with various solid-to-liquid ratios using hardwood (mixed hardwood) and softwood (loblolly pine). Experiments were also carried out to investigate the extent of changes in chemical composition as a function of cellulose crystallinity.
  • 5% (w/v), and with various solid-to-liquid ratios using hardwood (mixed hardwood) and softwood (loblolly pine). Experiments were also carried out to investigate the extent of changes in chemical composition as a function of cellulose crystallinity.

대상 데이터

  • For this study we used Dionium® 100 mL reactor cells, which are manufactured to be resistant to corrosion by dilute acid.
  • The chips were milled with a granulator (MDS 120/150 granulators, Hellweg Maschinenbau GmbH & Co. KG, Roetgen, Germany) equipped with a 2-mm rejection screen.
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