Blending municipal solid waste with corn stover for sugar production using ionic liquid process

Journal Article · Mon Jun 01 00:00:00 EDT 2015 · Bioresource Technology

DOI:https://doi.org/10.1016/j.biortech.2015.02.087· OSTI ID:1177622

Sun, Ning ^[1]; Xu, Feng ^[2]; Sathitsuksanoh, Noppadon ^[1]; Thompson, Vicki S. ^[3]; Cafferty, Kara ^[3]; Li, Chenlin ^[1]; Tanjore, Deepti ^[1]; Narani, Akash ^[1]; Pray, Todd R. ^[1]; Simmons, Blake A. ^[2]; Singh, Seema ^[2]

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1. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
2. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Sandia National Laboratories (SNL-CA), Livermore, CA (United States)
3. Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Municipal solid waste (MSW) represents an attractive cellulosic resource for sustainable fuel production because of its abundance and its low or perhaps negative cost. However, the significant heterogeneity and toxic contaminants are barriers to efficient conversion to ethanol and other products. In this study, we generated MSW paper mix, blended with corn stover (CS), and have shown that both MSW paper mix alone and MSW/CS blends can be efficiently pretreated in certain ionic liquids (ILs) with high yields of fermentable sugars. After pretreatment in 1-ethyl-3-methylimidazolium acetate ([C₂C₁Im][OAc]), over 80% glucose has been released with enzymatic saccharification. We have also applied an enzyme free process by adding mineral acid and water directly into the IL/biomass slurry to induce hydrolysis. With the acidolysis process in the IL 1-ethyl-3-methylimidazolium chloride ([C₂C₁Im]Cl), up to 80% glucose and 90% xylose are released for MSW. The results indicate the feasibility of incorporating MSW as a robust blending agent for biorefineries.

• Research Organization: Idaho National Lab. (INL), Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE)
• DOE Contract Number: AC07-05ID14517
• OSTI ID: 1177622
• Report Number(s): INL/JOU-14-33568
• Journal Information: Bioresource Technology, Vol. 186; ISSN 0960-8524
• Publisher: Elsevier
• Country of Publication: United States
• Language: English

Related Subjects

09 BIOMASS FUELS
ACIDOLYSIS
IONIC LIQUID
MUNICIPAL SOLID WASTE
RHEOLOGY