The processing method of lignocellulosic material

A method for producing a modified cellulosic material is provided including treating a lignocellulosic material with an acid and/or an alkali and then a polyol. Also provided are methods of producing a paper-based product or a cellulose derivative from said modified cellulosic material. A modified cellulosic material， a paper-based product and a cellulose derivative produced by such methods are also provided. Also provided is an apparatus for producing a modified cellulosic material， such as by the aforementioned method. A method for producing a modified cellulosic material is provided including treating a lignocellulosic material with an acid and/or an alkali and then a polyol. Also provided are methods of producing a paper-based product or a cellulose derivative from said modified cellulosic material. A modified cellulosic material， a paper-based product and a cellulose derivative produced by such methods are also provided. Also provided is an apparatus for producing a modified cellulosic material， such as by the aforementioned method.