黏胶纤维酶水解反应工艺研究  

Technology of Hydrolyzing Viscose Rayon by Cellulase

作　　者：丁家鹏[1] 陈昀[1] 

机构地区：[1]北京服装学院材料科学与工程学院北京市服装材料研究开发与评价重点实验室,北京100029

出　　处：《北京服装学院学报（自然科学版）》2009年第2期18-23,30,共7页Journal of Beijing Institute of Fashion Technology：Natural Science Edition

摘　　要：将黏胶纤维水解成糖类物质,是利用废弃黏胶纤维制备燃料乙醇的关键步骤.采用正交试验的方法,对纤维素酶催化黏胶纤维水解反应中的主要因素的影响进行了综合研究.结果表明,影响因素的显著性大小依次为:催化剂用量、固-液比、温度、pH值.对反应时间、温度、催化剂用量等影响因素进行的详细研究结果表明,酶的用量适当,反应温度选择在纤维素酶的适用温度上限,反应时间约为2 h是比较适宜的反应条件,黏胶纤维水解率约达87%.Hydrolyzing of viscose rayon into saccharide is the key step to prepare fuel ethanol with viscose rayon abandoned.In this paper,orthogonal experiment was used to study the main factors,which affect hydrolyzing of viscose rayon with cellulose as catalyst.The results indicated that the most salient factor was the cellulase amount,the next was the solid-to-liquid ratio and then the temperature and PH value.The optimum process conditions were obtained as the following,the cellulase amount should be controlled i...

关 键 词：黏胶纤维 纤维素 纤维素酶 水解反应 

分 类 号：TQ223.122[化学工程—有机化工]