Title: The Experiment of Pretreated Corn Straw by the Device Screw Extrusion and Continuous Steam Explosion
Abstract: Corn straw was used in nine group experiment by the device of screw extrusion and continuous steam explosion.The effects of pretreatment previous immersion,temperature and time were analyzed.Study the effects of different impregnation conditions from the degree of hydrolysis of hemicellulose and steam ordnance pH.The order of the effect of impregnation was: Pre-impregnation superior to pre-spray impregnation to direct spray.Using the device of screw extrusion and continuous steam explosion treated corn straw,the best pretreatment condition is spray 3% H2SO4,temperature 170℃ and time 25 min.In this pretreatment condition,the hydrolysis of hemicellulose was strong,and the component of pentaglucose was 7.75%.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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