| abstract |
PROBLEM TO BE SOLVED: To provide a method for efficiently recovering a catalyst containing an N-oxyl compound used for oxidizing cellulose fibers to obtain oxidized cellulose, and economically producing oxidized cellulose by reusing the recovered catalyst. SOLUTION: A step of obtaining an aqueous dispersion of oxidized cellulose by oxidizing cellulose fibers in the presence of a catalyst containing an N-oxyl compound, and an aqueous dispersion of the obtained oxidized cellulose, or an aqueous dispersion of the oxidized cellulose A method for producing oxidized cellulose comprising a step of adding an organic solvent, an adsorbent or an ion exchange resin to a reaction solution containing a catalyst after separating oxidized cellulose from the solution, and recovering the catalyst or an aqueous solution containing the catalyst. [Selection figure] None |