The study indicate that addition of polymers agglomeration reagent during flotation deinking of office waste paper can reduce dirtcount of deinking pulp and increase in brightness of the product.
采用高分子凝聚剂对办公废纸的油墨颗粒进行浮选脱墨，可降低脱墨浆中的尘埃度并增加产品的白度。
2
A journalist visiting a working archaeological site usually can count on a grand tour of the "dig", a tortured plot of ground covered with grid markers, tools and heaps of dirt waiting to be screened.