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  • surfactant-assisted pretreatment and enzymatic hydrolysis of spent mushroom compost for the production of sugars

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 758
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     spent mushroom compost (smc), a byproduct of commercial mushroom cultivation, poses serious environmental problems that have hampered the growth of this important agro-industry. in an effort to develop new applications for smc, we explored its use as a feedstock for bioethanol production. smc constitutes approximately 30% w/w polysaccharides, 66% of which is glucan. following dilute-acid pretreatment and enzymatic hydrolysis, both in the presence of peg 6000, 97% of glucan and 44% of xylan in smc were converted into the corresponding monosaccharides. incorporation of peg 6000 reduced the cellulase requirement by 77%. zwittergent 3–12 and 3–14 also significantly increased the efficacy of acid pretreatment and enzymatic hydrolysis. the use of smc in bioethanol production represents a potential mitigation solution for the critical environmental issues associated with the stockpiling of the major byproduct of the mushroom industry.

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