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  • Title: Evaluation of storage methods for the conversion of corn stover biomass to sugars based on steam explosion pretreatment.
    Author: Liu ZH, Qin L, Jin MJ, Pang F, Li BZ, Kang Y, Dale BE, Yuan YJ.
    Journal: Bioresour Technol; 2013 Mar; 132():5-15. PubMed ID: 23395737.
    Abstract:
    Effects of dry and wet storage methods without or with shredding on the conversion of corn stover biomass were investigated using steam explosion pretreatment and enzymatic hydrolysis. Sugar conversions and yields for wet stored biomass were obviously higher than those for dry stored biomass. Shredding reduced sugar conversions compared with non-shredding, but increased sugar yields. Glucan conversion and glucose yield for non-shredded wet stored biomass reached 91.5% and 87.6% after 3-month storage, respectively. Data of micro-structure and crystallinity of biomass indicated that corn stover biomass maintained the flexible and porous structure after wet storage, and hence led to the high permeability of corn stover biomass and the high efficiency of pretreatment and hydrolysis. Therefore, the wet storage methods would be desirable for the conversion of corn stover biomass to fermentable sugars based on steam explosion pretreatment and enzymatic hydrolysis.
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