| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a production method of a deinked pulp which requires a low cost and has a simple treatment, reduces an environmental load, and obtains, from a recorded material, paper with high whiteness and capable of being repeatedly used. <P>SOLUTION: The production method of the deinked pulp includes a disintegration step in which the recorded material adhering to the pulp is disintegrated with at least a pigment among aqueous ink containing water or an aqueous organic solvent and the pigment, and a deinking step containing a treatment in which the recorded material is washed with the water or aqueous organic solvent to remove the pigment from the recorded material. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
