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The Preparation of Sugarcane Bagasse Microcrystaline Cellulose in Subcritical Water/CO2
Abstract:
Sugarcane bagasse microcrystalline cellulose (SBMC) was first prepared under subcritical Water/CO2 by degradation of sugarcane bagasse cellulose (SBC). The obtained products were characterized by FT-IR, XRD and TGA and the results showed that the amorphous parts of SBC was easily decomposed, and yet the crystal parts kept a good form all along during the degradation, which demonstrated SBMC had good thermal stability. Furthermore, the reaction temperature, reaction time, reaction pressure and liquid-solid ratio were systematically investigated during the work. The optimum reaction conditions are as follows: the reaction temperature was 200°C; the reaction time was 60 min; the reaction pressure was 2 MPa and the liquid-solid ratio was 40:1.
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1769-1772
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November 2011
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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