| 摘要 |
<p>The invention relates to a process for the removal of ink from waste paper materials which comprises reducing the paper pulp or material to form a fibrous mass with a consistency similar to that of sludge, adding a substance to the fibrous mass to disperse the ink particles from the said mass, and removing the dispersed ink particles from the fibrous mass, the substance used to disperse the ink particles comprising a mixture of phosphated and carbonated sodium salts.</p> |
