| 摘要 |
<p>PURPOSE:To obtain a deinking agent for regenerating old paper, providing regenerated pulp having high whiteness by excellent deinking ability and not requiring cleaning treatment of waste water after elimination (deinking). CONSTITUTION:A deinking agent providing regenerated pulp having high whiteness and not requiring cleaning treatment of waste water after elimination (deinking), consisting essentially of Yucca, a lilaceous plant.</p> |
