Research Progress in Preparation of Bio-based Nanocellulose by Acid Hydrolysis
Nanocellulose(NCC),as a kind of green and renewable nanomaterial,had attracted much attention owing to its unique structure and excellent physical and chemical properties.The challenges encountered by the traditional NCC preparation technology were summarized firstly,and then the raw materials for NCC preparation in recent years were summarized.The new process of NCC production by acid hydrolysis was reviewed,and the improvement of pretreatment process,different acid hydrolysis process and the optimization of the whole process were described respectively.On this basis,the economic benefits of NCC production by acid hydrolysis were analyzed,and the potential impact of this method on the environment was comprehensively evaluated.Finally,the industrialization process of NCC production by acid hydrolysis was prospected.
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