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1. 发明申请

WO2018086672A1 METHOD OF PREPARING A CELLULOSE RICH FIBRE FRACTION AND VALUABLE BY-PRODUCTS 审中-公开
标题翻译：制备纤维素富集纤维组分和可重复副产物的方法
公开(公告)号：WO2018086672A1
公开(公告)日：2018-05-17
申请号：PCT/DK2017/050375
申请日：2017-11-13
申请人： TEKNOLOGISK INSTITUT
发明人： HASTRUP, Anne Christine Steenkjær , LYSTLUND, Mette Jalving , BAGGER, Christian Lorentz , LAWTHER, John Mark , PETERSEN, Nikolaj From , BULUT, Sanja , Natanya Majbritt Louie Hansen
IPC分类号： C08H8/00 , B27N3/04 , D21B1/02 , D21B1/06
摘要： The present invention relates to a method for preparing a cellulose rich fibre fraction, said method comprising the steps of: (i) providing straw, (ii) subjecting the straw to a dry mechanical treatment, (iii) subjecting the material obtained in (ii) to a sieving treatment and obtaining at least two fractions, the first fraction passing through the sieve mesh and the second fraction being retained by the sieve mesh, (iv) suspending the second fraction in an aqueous solution comprising one or more enzymes, adjusting pH of the mixture in the range of 4-6.5 and adjusting temperature of the mixture in the range of 30-70°C, (v) subjecting the mixture obtained in step (iv) to a continuous or intermittent mechanical defibration under agitation, (vi) separating the material obtained in step (v) into a cellulose rich fibre fraction and a liquid fraction comprising suspended and/or dissolved lignin, hemicellulose and oligosaccharides, (vii) subjecting the liquid fraction obtained in (vi) to lignin precipitation and obtaining a precipitated lignin rich fraction and a hemicellulose and oligosaccharide rich fraction, and (viii) separating the precipitated lignin rich fraction obtained in step (vii) from the hemicellulose and oligosaccharide rich fraction.
摘要翻译：本发明涉及制备富含纤维素纤维部分的方法，所述方法包括以下步骤：（i）提供吸管，（ii）对吸管进行干式机械处理，（iii））将（ii）中获得的材料进行筛分处理并获得至少两个部分，第一部分通过筛目，第二部分通过筛目保留，（iv）将第二部分悬浮在水溶液其包含一种或多种酶，将混合物的pH调节至4-6.5的范围内，并将混合物的温度调节至30-70℃，（v）使步骤（iv）中获得的混合物经历连续的或（vi）将步骤（v）中获得的物质分离成富含纤维素的纤维馏分和包含悬浮的和/或溶解的木质素，半纤维素和寡糖的液体馏分，（vii）将获得的液体馏分（vi）木质素沉淀并获得沉淀的富含木质素的部分和半纤维素和富含寡糖的部分，和（viii）将步骤（vii）中获得的沉淀的富含木质素的部分与半纤维素和富含寡糖的部分分离。 >

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