Comparative study on concentrated sulphuric acid hydrolysis for lignocellulosic biomass conversion for high sugar concentration

Title
Comparative study on concentrated sulphuric acid hydrolysis for lignocellulosic biomass conversion for high sugar concentration
Authors
필립 위자야Robertus Dhimas D.P.하정명김창수
Keywords
hydrolysis; lignocellulosic biomass; sulfuric acid; sugar extraction
Issue Date
2014-03
Publisher
Nordic wood biorefienery conference
Citation
, 227-229
Abstract
- Two-step concentrated acid hydrolysis has been conducted with oak, pine, and EFB representing hardwood, softwood, and non-classified biomass. - Crystallinity differences in raw biomasses and changes during the process has been clearly shown in XRD analysis, which could be an indicator for the recalcitrance of the biomasses against hydrolysis. - Optimum condition was chosen with regard to the highest sugar yield in the shortest time. - Pine has the highest recalcitrance based on the sugar yield and CrI correlation. - Sugar yield ranges from 52 ~ 61 wt%(dry biomass based) from two-step sulfuric acid hydrolysis, which is about 80~92% of theoretically extractable sugars from the raw biomasses.
URI
http://pubs.kist.re.kr/handle/201004/47725
Appears in Collections:
KIST Publication > Conference Paper
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