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  • pretreatment of sugarcane bagasse by acid-catalysed process in aqueous ionic liquid solutions

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 551
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     a biomass pretreatment process was developed using acidified ionic liquid (il) solutions containing 10–30% water. pretreatment of sugarcane bagasse at 130 °c for 30 min by aqueous 1-butyl-3-methylimidazolium chloride (bmimcl) solution containing 1.2% hcl resulted in a glucan digestibility of 94–100% after 72 h of enzymatic hydrolysis. hcl was found to be a more effective catalyst than h2so4 or fecl3. increasing acid concentration (from 0.4% to 1.2%) and reaction temperature (from 90 to 130 °c) increased glucan digestibility. the glucan digestibility of solid residue obtained with the acidified bmimcl solution that was re-used for three times was >97%. the addition of water to ils for pretreatment could significantly reduce il solvent costs and allow for increased biomass loadings, making the pretreatment by ils a more economic proposition.

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