离子液体介质中纤维素酶降解纤维素的研究进展

Research progress of cellulose enzyme degradation of cellulose in ionic liquid medium

以不可再生资源为原料和能源进行的传统加工工业正面临着资源日益枯竭的现实,所以对可再生资源的研究势在必行。在各种可再生资源中,纤维素生物质是唯一可再生的碳资源,具有取之不尽用之不竭的物质基础,被普遍认为将会部分替代或补充不可再生资源。但由于纤维素的超分子结构,传统的工艺很难将其降解转化,离子液体作为一种新型的绿色溶剂,不仅能够很好地溶解纤维素,同时也是纤维素酶解反应的良好溶剂。综述了国内外离子液体对纤维素溶解、再生以及降解的近期研究成果,分析了其中存在的问题,提出了离子液体降解纤维素的发展方向。

Using the non-renewable resources as materials and energy in traditional processing industry is facing the reality that re-sources increasingly exhausted,so the research of renewable resources is imperative. Among various kinds of renewable resources, cellulosic biomass is the only renewable resource of carbon,it has the inexhaustible material basis and is widely considered to partly replace or supplement to the non-renewable resources. But due to the super molecular structure of the cellulose, the traditional process is difficult to dissolve it. As a new kind of green solvents,ionic liquids can not only able to dissolve cellulose,but as a well solvent in cellulose enzymolysis reaction. This paper includes the recent research achievements of ionic liquids both at home and a-broad to dissolve、regenerate and dissolve cellulose,and analyzes the problems,and put forward the developing direction of ionic liq-uid in the degradation of cellulose.