| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing alkali cellulose, efficiently removing fine powdery cellulose contained in pulp and accumulated in a circulated alkali metal hydroxide solution. <P>SOLUTION: This method for producing the alkali cellulose comprising a step of bringing the alkali metal hydroxide solution in contact with the pulp and a draining step of draining the obtained contact product by a draining device and reusing the alkali metal hydroxide solution obtained by the draining step of the contact with the pulp is characterized by further comprising a step of adjusting to ≤0.5 mass% the amount of the fine powdery cellulose in the alkali metal hydroxide solution subjected to the contact with the pulp. <P>COPYRIGHT: (C)2012,JPO&INPIT |
