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Title: Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining

Abstract

Chemical-free pretreatments are attracting increased interest because they generate less inhibitor in hydrolysates. In this study, pilot-scaled continuous hydrothermal (PCH) pretreatment followed by disk refining was evaluated and compared to laboratory-scale batch hot water (LHW) pretreatment. Bioenergy sorghum bagasse (BSB) was pretreated at 160–190 °C for 10 min with and without subsequent disk milling. Hydrothermal pretreatment and disk milling synergistically improved glucose and xylose release by 10–20% compared to hydrothermal pretreatment alone. Maximum yields of glucose and xylose of 82.55% and 70.78%, respectively were achieved, when BSB was pretreated at 190 °C and 180 °C followed by disk milling. LHW pretreated BSB had 5–15% higher sugar yields compared to PCH for all pretreatment conditions. The surface area improvement was also performed. PCH pretreatment combined with disk milling increased BSB surface area by 31.80–106.93%, which was greater than observed using LHW pretreatment.

Authors:
 [1];  [2];  [1];  [1]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States)
  2. National Center for Agricultural Utilization Research, USDA-ARS, Peoria, IL (United States)
Publication Date:
Research Org.:
Univ. of Illinois at Urbana-Champaign, IL (United States); Center for Advanced Bioenergy and Bioproducts Innovation (CABBI), Urbana, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
OSTI Identifier:
1803417
Alternate Identifier(s):
OSTI ID: 1528678; OSTI ID: 1991856
Grant/Contract Number:  
SC0018420
Resource Type:
Accepted Manuscript
Journal Name:
Bioresource Technology
Additional Journal Information:
Journal Volume: 289; Journal ID: ISSN 0960-8524
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; bioenergy sorghum; sugar production; pilot-scale continuous hydrothermal pretreatment; disk milling; surface area

Citation Formats

Cheng, Ming-Hsun, Dien, Bruce S., Lee, D. K., and Singh, Vijay. Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining. United States: N. p., 2019. Web. doi:10.1016/j.biortech.2019.121663.
Cheng, Ming-Hsun, Dien, Bruce S., Lee, D. K., & Singh, Vijay. Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining. United States. https://doi.org/10.1016/j.biortech.2019.121663
Cheng, Ming-Hsun, Dien, Bruce S., Lee, D. K., and Singh, Vijay. Tue . "Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining". United States. https://doi.org/10.1016/j.biortech.2019.121663. https://www.osti.gov/servlets/purl/1803417.
@article{osti_1803417,
title = {Sugar production from bioenergy sorghum by using pilot scale continuous hydrothermal pretreatment combined with disk refining},
author = {Cheng, Ming-Hsun and Dien, Bruce S. and Lee, D. K. and Singh, Vijay},
abstractNote = {Chemical-free pretreatments are attracting increased interest because they generate less inhibitor in hydrolysates. In this study, pilot-scaled continuous hydrothermal (PCH) pretreatment followed by disk refining was evaluated and compared to laboratory-scale batch hot water (LHW) pretreatment. Bioenergy sorghum bagasse (BSB) was pretreated at 160–190 °C for 10 min with and without subsequent disk milling. Hydrothermal pretreatment and disk milling synergistically improved glucose and xylose release by 10–20% compared to hydrothermal pretreatment alone. Maximum yields of glucose and xylose of 82.55% and 70.78%, respectively were achieved, when BSB was pretreated at 190 °C and 180 °C followed by disk milling. LHW pretreated BSB had 5–15% higher sugar yields compared to PCH for all pretreatment conditions. The surface area improvement was also performed. PCH pretreatment combined with disk milling increased BSB surface area by 31.80–106.93%, which was greater than observed using LHW pretreatment.},
doi = {10.1016/j.biortech.2019.121663},
journal = {Bioresource Technology},
number = ,
volume = 289,
place = {United States},
year = {Tue Jun 18 00:00:00 EDT 2019},
month = {Tue Jun 18 00:00:00 EDT 2019}
}

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Cited by: 32 works
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Works referencing / citing this record:

Economic Analysis of Cellulosic Ethanol Production from Sugarcane Bagasse Using a Sequential Deacetylation, Hot Water and Disk-Refining Pretreatment
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