A PROCESS FOR REMOVING CONTAMINANTS FROM WASTE PAPER

摘要

The invention relates to a process for removing contaminants from waste paper comprising a) leading an inert gas through an aqueous pulp, which pulp comprises waste paper fibers and contaminants, to produce a foam comprising at least part of the contaminants, which foam forms a layer on top of the pulp, and b) removing foam. The invention further relates to a device suitable for carrying out said process.